2019W

• Anatomy and Histology / VO / 185.330
• Bachelor Thesis for Informatics and Business Informatics / PR / 185.A26
• Formal Language Theory / VU / 185.A42
• Introducrtion to Clinics / VO / 185.329
• Membrane Computing / VU / 185.A70
• Presentation and Moderation / VU / 185.A62
• Project in Computer Science 1 / PR / 185.A36
• Project in Computer Science 2 / PR / 185.A37
• Project in Medical Informatics / PR / 185.A30
• Project in Software Engineering & Internet Computing / PR / 185.A38
• Research Seminar for Master and PhD students / SE / 185.A39
• Theoretical Computer Science and Logics / VU / 185.278

2020S

• Bachelor Thesis for Informatics and Business Informatics / PR / 185.A26
• Formal Modelling / VU / 185.A06
• Project in Computer Science 1 / PR / 185.A36
• Project in Computer Science 2 / PR / 185.A37
• Project in Software Engineering & Internet Computing / PR / 185.A38
• Research Seminar for Master and PhD students / SE / 185.A39

 

2018

• Activation and Blocking of Rules / R. Freund, A. Alhazov, S. Ivanov / Talk: The 5th Annual Rogozhin Lectures on Foundations of Informatics and Unconventional Computing Systems, Chisinau, Moldavien; 2018-11-13 - 2018-11-14
• Small Universal Reversible Counter Machines / R. Freund, A. Alhazov, S. Verlan / in: "Emergence, Complexity and Computation", 30; A. Adamatzky (ed.); Springer International Publishing, 2018, ISBN: 978-3-319-73216-9, 433 - 446
• Chocolate P Automata / R. Freund, M. Oswald, A. Alhazov et al. / in: "Enjoying Natural Computing - Essays Dedicated to Mario de Jesus Perez-Jimenez on the Occasion of His 70th Birthday", 11270; Gh. Paun et al. (ed.); Springer International Publishing, LNCS, 2018, 1 - 20
• Proceedings of the Workshop on Membrane Computing at UCNC 2018. / R. Freund, S. Ivanov / TU Wien, Wien, 2018, 71 pages
• Proceedings of the Tenth Workshop on Non-Classical Models of Automata and Applications, (NCMA) / R. Freund / in series "Books@ocg.at", series editor: G Chroust et al.; OCG (Österreichische Computer Gesellschaft), Wien, 2018, ISBN: 978-3-903035-21-8, 215 pages
• Tenth Workshop on Non-Classical Models of Automata and Applications - Short papers / R. Freund et al. / in series "Workshop on Non-Classical Models of Automata and Applications - Short papers", series editor: R. Freund et al.; TU Wien, Wien, 2018, 53 pages
• Extended spiking neural P systems with white hole rules and their red-green variants / R. Freund, A. Alhazov, S. Ivanov, M. Oswald et al. / Natural Computing, 17 (2018), 2; 297 - 310
• Hierarchical P systems with randomized right-hand sides of rules. / R. Freund, A. Alhazov et al. / in: "Membrane Computing: 18th International Conference, CMC 2017, Bradford, UK, July 25-28, 2017, Revised Selected Papers", 10725; M. Gheorghe et al. (ed.); Springer International Publishing, 2018, ISBN: 978-3-319-73358-6, 15 - 39
• Introducing the Concept of Activation and Blocking of Rules in the General Framework for Regulated Rewriting in Sequential Grammars. / R. Freund, A. Alhazov, S. Ivanov / in: "Sixteenth Brainstorming Week on Membrane Computing", Gh. Paun et al. (ed.); Fénix Editora, Sevilla, 2018, 1 - 22
• Input-Driven Tissue P Automata / R. Freund, M. Oswald, A. Alhazov et al. / in: "Sixteenth Brainstorming Week on Membrane Computing", Gh. Paun et al. (ed.); Fénix Editora, Sevilla, 2018, 39 - 58
• One-Membrane P Systems with Activation and Blocking of Rules. / R. Freund, A. Alhazov, S. Ivanov / in: "Sixteenth Brainstorming Week on Membrane Computing", Gh. Paun et al. (ed.); Fénix Editora, Sevilla, 2018, 23 - 38
• Unfair P Systems / R. Freund, A. Alhazov, S. Ivanov / in: "Proceedings of the Workshop on Membrane Computing at UCNC 2018. Fontainebleau, France June 25th, 2018", TU Wien, 2018, 63 - 71
• Unfair P Systems / R. Freund, A. Alhazov, S. Ivanov / in: "Theorietage 2018, Wittenberg, Technical Report 18-1, Universität Halle-Wittenberg", K. Reinhardt (ed.); Universität Halle-Wittenberg, 2018, 87 - 90
• P Systems with Activation and Blocking of Rules / R. Freund et al. / Talk: UCNC 2018, Fontainebleau; 2018-06-25 - 2018-06-29; in: "Unconventional Computation and Natural Computation", S. Verlan et al. (ed.); LNCS/Springer, LNCS 10867 (2018), ISBN: 978-3-319-92434-2; 1 - 15
• Sequential Grammars with Activation and Blocking of Rules / R. Freund et al. / Talk: MCU (International Conference Machines, Computations and Universality), Fontainebleau (invited); 2018-06-28 - 2018-06-30; in: "Machines, Computations, and Universality", S. Verlan et al. (ed.); Springer, LNCS 10881 (2018), ISBN: 978-3-319-92401-4; 51 - 68
• Tissue P Systems with Point Mutation Rules / R. Freund et al. / Talk: CMC19, Dresden; 2018-09-04 - 2018-09-07; in: "Proceedings of the 19th International Conference on Membrane Computing", Friedrich Schiller University Jena, (2018), ISBN: 978-3-96409-030-0; 29 - 50
• Control Mechanisms for Array Grammars on Cayley Grids / R. Freund / Talk: MUC 2018, Fontainebleau (invited); 2018-06-28 - 2018-06-30; in: "Machines, Computations, and Universality", S. Verlan et al. (ed.); Springer, LNCS 10881 (2018), ISSN: 0302-9743; 1 - 33

2017

• Ninth Workshop on Non-Classical Models of Automata and Applications, {NCMA} 2017, Prague, Czech Republic / R. Freund et al. / in series "Workshop on Non-Classical Models of Automata and Applications", series editor: R. Freund; issued by: österreichische Computer Ges; Österreichische Computer Gesellschaft, 2017, ISBN: 978-3-903035-18-8
• Contextual array grammars with matrix control, regular control languages, and tissue P systems control / R. Freund, A. Alhazov, S. Ivanov et al. / Theoretical Computer Science, 682 (2017), 5 - 21
• Non-Isometric Contextual Array Grammars and the Role of Regular Control and Local Selectors / R. Freund, H. Fernau et al. / Fundamenta Informaticae, 155 (2017), 1-2; 209 - 232
• Watson-Crick {T0L} Systems and Red-Green Register Machines / R. Freund et al. / Fundamenta Informaticae, 155 (2017), 1-2; 111 - 129
• P Systems Working in Maximal Variants of the Set Derivation Mode / R. Freund, A. Alhazov, S. Verlan et al. / in: "International Conference on Membrane Computing 2016", 10105; G. Rozenberg et al. (ed.); issued by: Springer; Springer LNCS, 2017, ISBN: 978-3-319-54071-9, 83 - 102
• Simulating R Systems by P Systems / R. Freund, S. Ivanov, A. Alhazov et al. / in: "International Conference on Membrane Computing 2016", 10105; Springer LNCS, 2017, ISBN: 978-3-319-54071-9, 51 - 66
• Purely Catalytic P Systems over Integers and Their Generative Power / R. Freund, A. Alhazov, S. Ivanov et al. / in: "International Conference on Membrane Computing 2016", 10105; G. Rozenberg et al. (ed.); issued by: Springer; Springer LNCS, 2017, ISBN: 978-3-319-54071-9, 67 - 82
• P Systems with Random RHS Exchange / R. Freund et al. / in: "Conference on Mathematical Foundations of Informatics, 2017, Chişinău: Proceedings MFOI, 2017", Acad. of Sciences of Moldova, 2017, 27 - 30
• P Systems and the Concept of Fairness / R. Freund, A. Alhazov, S. Ivanov / in: "Conference on Mathematical Foundations of Informatics, 2017, Chişinău: Proceedings MFOI, 2017", Acad. of Sciences of Moldova, 2017, 978‐9975‐4237‐6‐2, 11 - 26
• Sequential Polarized Tissue P Systems with Vesicles of Multisets / R. Freund, A. Alhazov, S. Verlan et al. / in: "Conference on Mathematical Foundations of Informatics, 2017, Chişinău: Proceedings MFOI, 2017", Acad. of Sciences of Moldova, 2017, 978‐9975‐4237‐6‐2, 7 - 10
• Time-freeness and Clock-freeness and Related Concepts in P Systems. / R. Freund, A. Alhazov et al. / in: "Proceedings of BWMC 2017: 15th Brainstorming Week on Membrane Computing (2017), Sevilla", Gh. Paun et al. (ed.); Fénix Editora, 2017, ISBN: 978-84-946316-9-6, 43 - 70
• P Systems with Randomized Right-hand Sides of Rules / R. Freund, A. Alhazov, S. Ivanov / in: "Proceedings of BWMC 2017: 15th Brainstorming Week on Membrane Computing (2017), Sevilla", Gh. Paun et al. (ed.); Fénix Editora, 2017, ISBN: 978-84-946316-9-6, 13 - 42
• Unfair P Systems / R. Freund, A. Alhazov, S. Ivanov / in: "Proceedings of BWMC 2017: 15th Brainstorming Week on Membrane Computing (2017), Sevilla", Gh. Paun et al. (ed.); Fénix Editora, 2017, ISBN: 978-84-946316-9-6, 1 - 12
• Transitional P Systems with Randomized Rule Right-hand Sides. / R. Freund, A. Alhazov, S. Ivanov / in: "Preproceedings of the 18th Conference on Membrane Computing, CMC18, Bradford", M. Gheorghe et al. (ed.); IMCS, Bradford, 2017, 23 - 47
• (Tissue) {P} Systems with Vesicles of Multisets / R. Freund et al. / Talk: Proceedings 15th International Conference on Automata and Formal Languages, {AFL} 2017, Debrecen, Hungary, Debrecen; 2017-09-04 - 2017-09-06; in: "Proceedings 15th International Conference on Automata and Formal Languages, {AFL} 2017, Debrecen, Hungary", corr, abs-1708-06226 (2017), 11 - 25
• Computational Completeness of Networks of Evolutionary Processors with Elementary Polarizations and a Small Number of Processors / R. Freund et al. / Talk: Descriptional Complexity of Formal Systems - 19th {IFIP} {WG} 1.02 International Conference, {DCFS} 2017, Milano, Mailand; 2017-07-03 - 2017-07-05; in: "Descriptional Complexity of Formal Systems - 19th {IFIP} {WG} 1.02 International Conference, {DCFS} 2017, Milano, Italy, July 3-5, 2017, Proceedings}", Springer, 10316 (2017), ISBN: 978-3-319-60252-3; 140 - 151

2016

• Variants of Energy-Controlled P Systems" Autoren / R. Freund et al. / Talk: Workshop "Unconventional Computing Systems" in commemoration of Yuri Rogozhin, Chisinau; 2016-11-11
• Variants of Energy-Controlled P Systems / R. Freund / Talk: NIT 2016, Valencia; 2016-10-18 - 2016-10-21
• Red-Green P Automata / R. Freund / Talk: 26.Theorietag Automata und Formale Sprachen, Tannenfelde; 2016-10-04 - 2016-10-07
• Computations on a Moebius Rope / R. Freund / Talk: 17th International Conference on Membrane Computing (CMC17), Mailand; 2016-07-25 - 2016-07-29
• Models of Grammars Inspired by Marcus Contextual Grammars / R. Freund / Talk: DCFS 2016, Bucharest; 2016-07-05 - 2016-07-08
• Eighth Workshop on Non-Classical Models of Automata and Applications (NCMA 2016) / R. Freund, H. Bordihn et al. / OCG (Österreichische Computer Gesellschaft), Wien, 2016, ISBN: 978-3-903035-10-2; 300 pages
• Preface / R. Freund et al. / Fundamenta Informaticae, 148 (2016), 3-4
• Going Beyond Turing with {P} Automata: Regular Observer {\(\omega\)}-Languages and Partial Adult Halting / R. Freund, L. Staiger, S. Ivanov / International Journal of Unconventional Computing, 12 (2016), 1; 51 - 69
• Computational completeness of complete, star-like, and linear hybrid networks of evolutionary processors with a small number of processors / R. Freund, A. Alhazov et al. / Natural Computing, 15 (2016), 1; 51 - 68
• P Automata: New ideas and results / R. Freund / in: "Proceedings of Eighth Workshop on Non-Classical Models of Automata and Applications", 321; Austrian Computer Society, 2016, ISBN: 978-3-903035-10-2, 13 - 40
• Contextual Array Grammars with Matrix and Regular Control / R. Freund, H. Fernau et al. / Talk: DCFS 2016, Bucharest; 2016-07-05 - 2016-07-08; in: "Descriptional Complexity of Formal Systems - 18th {IFIP} {WG} 1.2 International Conference", (2016), ISBN: 978-3319411132; 98 - 110
• Simulating R Systems by P Systems / R. Freund et al. / Talk: 17th International Conference on Membrane Computing (CMC17), Mailand; 2016-07-25 - 2016-07-29; in: "Proceedings of 17th International Conference on Membrane Computing (CMC17)", (2016), 13 - 26
• Maximal Variants of the Set Derivation Mode / R. Freund et al. / Talk: 17th International Conference on Membrane Computing (CMC17), Mailand; 2016-07-25 - 2016-07-29; in: "Proceedings of 17th International Conference on Membrane Computing (CMC17)", (2016), 57 - 72
• Semilinear Sets, Register Machines, and Integer Vector Addition (P) Systems / R. Freund et al. / Talk: 17th International Conference on Membrane Computing (CMC17), Mailand; 2016-07-25 - 2016-07-29; in: "Proceedings of 17th International Conference on Membrane Computing (CMC17)", (2016), 39 - 56
• Purely Catalytic P Systems over Integers and Their Generative Power / R. Freund et al. / Talk: 17th International Conference on Membrane Computing (CMC17), Mailand; 2016-07-25 - 2016-07-29; in: "Proceccings of 17th International Conference on Membrane Computing (CMC17)", (2016), 27 - 38
• P Systems Working in Set Modes / R. Freund / Talk: Unconventional Computation and Natural Computation UCNC 2016, Manchester (invited); 2016-07-11 - 2016-07-15; in: "Unconventional Computation and Natural Computation 15th International Conference, UCNC 2016, Manchester, UK, July 11-15, 2016, Proceedings", LNCS/Springer, 9726 (2016), ISBN: 978-3-319-41312-9; 4 - 15
• Extended Spiking Neural P Systems with States / R. Freund, A. Alhazov, S. Ivanov / Talk: Unconventional Computation and Natural Computation UCNC 2016, Manchester; 2016-07-11 - 2016-07-15; in: "Unconventional Computation and Natural Computation", LNCS/Springer, 9726 (2016), ISBN: 978-3-319-41312-9; 42 - 54

2015

• Going Beyond Turing with Watson-Crick T0L Systems / R. Freund et al. / Poster: UCNC 2015, Auckland; 2015-08-30 - 2015-09-03
• Computational Completeness and Universality in Membrane Computing / R. Freund / Keynote Lecture: CMC'16 Membrane Computing, Valencia; 2015-08-17 - 2015-08-21
• New Results for Small Universal P Systems Based on the Simulation of Generalized Register Machines and Generalized Counter Automata / R. Freund, A. Alhazov / Talk: CMC'16 Membrane Computing, Valencia; 2015-08-17 - 2015-08-21
• The Set-Maximally Parallel Derivation Mode / R. Freund, S. Verlan / Talk: CMC'16 Membrane Computing, Valencia; 2015-08-17 - 2015-08-21
• P Systems with Multiple Catalysts of the Same Name / R. Freund, S. Ivanov / Talk: CMC'16 Membrane Computing, Valencia; 2015-08-17 - 2015-08-21
• SUBRAMANIAN, Regulated Contextual Array Grammars / R. Freund et al. / in: "Annals of the University of Bucharest Informatics Series", 3; Editura Universitatii di Bucuresti, 2015, ISSN: 2067-9009, 63 - 79
• Algebraic Representation of Regular Array Languages on Cayley Graphs / R. Freund, M. Oswald et al. / in: "Discrete Mathematics and Computer Science", Gh. Paun et al. (ed.); Editura Academiei Romane, 2015, 165 - 189
• Small P Systems Defining Non-semilinear Sets / R. Freund, A. Alhazov / in: "Automata, Universality, Computation", A. Adamatzky (ed.); Springer International Publishing, Heidelberg, 2015, ISSN: 2194-7287, 183 - 219
• Seventh Workshop on Non-Classical Models of Automata and Applications / R. Freund et al. / OCG (Österreichische Computer Gesellschaft), Wien, 2015, ISBN: 978-3-903035-07-2; 206 pages
• The Finite Index Restriction Meets Hybrid Modes in Cooperating Distributed Grammar Systems / R. Freund, H. Fernau et al. / International Journal of Foundations of Computer Science, 26 (2015), 8; 1167 - 1188
• Variants of Small Universal {P} Systems with Catalysts / R. Freund, A. Alhazov / Fundamenta Informaticae, 138 (2015), 1-2; 227 - 250
• Catalytic and Purely Catalytic {P} Systems and {P} Automata: Control Mechanisms for Obtaining Computational Completeness / R. Freund, M. Oswald, Gh. Paun / Fundamenta Informaticae, 136 (2015), 1-2; 59 - 84
• Contextual array grammars and array {P} systems / R. Freund, H. Fernau et al. / Annals of Mathematics and Artificial Intelligence, 75 (2015), 1-2; 5 - 26
• A Connection Between Red-Green Turing Machines and Watson-Crick {T0L} Systems / R. Freund et al. / in: "Machines, Computations, and Universality - 7th International Conference", 9288; J. Durand-Lose et al. (ed.); issued by: LNCS; Springer International Publishing, 2015, ISBN: 9783319231105, 31 - 44
• Non-isometric Contextual Array Grammars with Regular Control and Local Selectors / R. Freund et al. / in: "Machines, Computations, and Universality: 7th International Conference, MCU 2015, Famagusta, North Cyprus, September 9-11, 2015, Proceedings", 9288; J. Durand-Lose et al. (ed.); Springer LNCS, 2015, ISBN: 3319231103, 61 - 78
• Variants of P Systems with Toxic Objects / R. Freund et al. / Talk: CMC'16 Membrane Computing, Valencia; 2015-08-17 - 2015-08-21; in: "Proceedings of the 16th International Conference on Membrane Computing, {CMC} 2015", J. Sempere et al. (ed.); (2015), 23 - 49
• Going Beyond Turing with Extended Spiking Neural P Systems with White Hole Rules / R. Freund, M. Oswald et al. / Talk: Ucnc2015 (wmc2015), Auckland, New Zealand; 2015-08-30 - 2015-09-03; in: "Proceedings of the Workshop on Membrane Computing 2015 (WMC2015)", M. Dinneen (ed.); (2015), 17 - 32
• Solving SAT with Antimatter in Membrane Computing / R. Freund et al. / Talk: Ucnc2015 (wmc2015), Auckland, New Zealand; 2015-08-30 - 2015-09-03; in: "CDMTCS Research Report Series Proceedings of the Workshop on Membrane Computing 2015 (WMC2015)", M. Dinneen (ed.); (2015), 48 - 58
• Small Catalytic P Systems / R. Freund et al. / Talk: Ucnc2015 (wmc2015), Auckland, New Zealand; 2015-08-30 - 2015-09-03; in: "Proceedings of the Workshop on Membrane Computing 2015 (WMC2015)", M. Dinneen (ed.); (2015), 1 - 16
• P Systems with Generalized Multisets Over Totally Ordered Abelian Groups / R. Freund et al. / Talk: CMC'16 Membrane Computing, Valencia; 2015-08-17 - 2015-08-21; in: "Membrane Computing - 16th International Conference, {CMC} 2015, Valencia, Spain, August 17-21, 2015, Revised Selected Papers", J. Sempere et al. (ed.); (2015), 101 - 121
• How to Go Beyond Turing with P Automata: Time Travels, Regular Observer w-Languages, and Partial Adult Halting / R. Freund, S. Ivanov et al. / Talk: BWMC 2015, Sevilla; 2015-02-02 - 2015-02-06; in: "Proceedings of the Thirteenth Brainstorming Week on Membrane Computing", Gh. Paun et al. (ed.); Fenix Editora, (2015), 143 - 158
• On The Semantics of Annihilation Rules in Membrane Computing / R. Freund et al. / Talk: BWMC 2015, Sevilla; 2015-02-02 - 2015-02-06; in: "Proceedings of the Thirteenth Brainstorming Week on Membrane Computing", Gh. Paun et al. (ed.); Fenix Editora, (2015), 131 - 142
• Extended Spiking Neural P Systems with White Hole Rules / R. Freund, M. Oswald, A. Alhazov et al. / Talk: BWMC 2015, Sevilla; 2015-02-02 - 2015-02-06; in: "Proceedings of the Thirteenth Brainstorming Week on Membrane Computing", Gh. Paun et al. (ed.); Fenix Editora, (2015), 45 - 62
• Variants of P Systems with Toxic Objects / R. Freund, A. Alhazov et al. / Talk: BWMC 2015, Sevilla; 2015-02-02 - 2015-02-06; in: "Proceedings of the Thirteenth Brainstorming Week on Membrane Computing", Gh. Paun et al. (ed.); Fenix Editora, (2015), 19 - 44
• Polarizationless P Systems with One Active Membrane / R. Freund, A. Alhazov / Talk: BWMC 2015, Sevilla; 2015-02-02 - 2015-02-06; in: "Proceedings of the Thirteenth Brainstorming Week on Membrane Computing", Gh. Paun et al. (ed.); Fenix Editora, (2015), 9 - 18
• Deterministic Non-cooperative P Systems with Strong Context Conditions / R. Freund, A. Alhazov / Talk: BWMC 2015, Sevilla; 2015-02-02 - 2015-02-06; in: "Proceedings of the Thirteenth Brainstorming Week on Membrane Computing", Gh. Paun et al. (ed.); Fenix Editora, (2015), 1 - 8
• Going Beyond Turing with P Automata: Partial Adult Halting and Regular Ovserver Languages / R. Freund, L. Staiger et al. / Talk: UCNC 2015, Auckland; 2015-08-30 - 2015-09-03; in: "Unconventional Computation and Natural Computation", C. Calude et al. (ed.); LNCS/Springer, 9252 (2015), ISBN: 978-3-319-21818-2; 169 - 181

2014

• Small P Systems Defining Non-semilinear Sets / R. Freund, A. Alhazov / in: "Automata, Computation, Universality", A. Adamatzky (ed.); Springer International Publishing, Heidelberg, 2014, ISBN: 978-3-319-09039-9, 183 - 217
• Generating and accepting P systems with minimal left and right insertion and deletion / R. Freund, Y. Rogozhin, S. Verlan / in: "Natural Computing - An international Journal", J. Ferrandez et al. (ed.); Springer, 2014, ISSN: 1567-7818, 257 - 268
• Array Grammars and Automata on Cayley Grids / R. Freund, M. Oswald / Journal of Automata, Languages and Combinatorics, 19 (2014), 1-4; 67 - 80
• Antimatter as a Frontier of Tractability in Membrane Computing / R. Freund, A. Alhazov et al. / Fundamenta Informaticae, 134 (2014), 1-2; 83 - 96
• Length P Systems / R. Freund, A. Alhazov et al. / Fundamenta Informaticae, 134 (2014), 1-2; 17 - 37
• Report on UCNC 2014 / R. Freund, T. Hava et al. / Bulletin of the EATCS, 114 (2014)
• Variants of P Automata / R. Freund / Keynote Lecture: Tenth Conference on Computability in Europe, CiE 2014 New Computing Paradigms - Workshop, Budapest; 2014-06-23 - 2014-06-27; in: "New Computing Paradigms - Workshop", (2014), ISBN: 978-3-319-08019-2; 7 pages
• P Systems with Matter and Anti-Matter / R. Freund, Gh. Paun, A. Alhazov et al. / Talk: Tenth Conference on Computability in Europe, CiE 2014 New Computing Paradigms - Workshop, Budapest; 2014-06-23 - 2014-06-27; in: "Tenth Conference on Computability in Europe, CiE 2014 Language, Life, Limits", A. Beckmann et al. (ed.); (2014), 1 pages
• Red-Green P Automata / R. Freund et al. / Talk: CMC-14, Prag; 2014-08-20 - 2014-08-22; in: "Membrane Computing - 15th International Conference, CMC 2014", M. Gheorghe et al. (ed.); 8961 (2014), ISSN: 0302-9743; 139 - 157
• Promoters and Inhibitors in Purely Catalytic {P} Systems / R. Freund, S. Verlan, A. Alhazov / Talk: CMC15, Prag; 2014-08-20 - 2014-08-22; in: "Membrane Computing - 15th International Conference, CMC 2014", M. Gheorghe et al. (ed.); 8961 (2014), ISBN: 978-3-319-14370-5; 126 - 138
• P Systems with Toxic Objects / R. Freund, A. Alhazov / Talk: CMC15, Prag; 2014-08-20 - 2014-08-22; in: "Membrane Computing - 15th International Conference, CMC 2014", M. Gheorghe et al. (ed.); 8961 (2014), ISBN: 978-3-319-14370-5; 99 - 125
• Priorities, Promoters and Inhibitors in Deterministic Non-cooperative P Systems / R. Freund, A. Alhazov / Talk: CMC15, Prag; 2014-08-20 - 2014-08-22; in: "Membrane Computing - 15th International Conference, CMC 2014", M. Gheorghe et al. (ed.); 8961 (2014), ISBN: 978-3-319-14370-5; 86 - 98
• P Systems with Anti-Matter / R. Freund, A. Alhazov et al. / Talk: CMC 14, Prag; 2014-08-20 - 2014-08-22; in: "Membrane Computing - 15th International Conference, CMC 2014", M. Gheorghe, G. Rozenberg et al. (ed.); (2014), ISBN: 978-3-319-14370-5; 66 - 85
• Flattening in (tissue) P systems / R. Freund, S. Verlan et al. / Talk: CMC 14, Chisinau; 2013-08-20 - 2013-08-23; in: "Membrane Computing. 14th international conference, CMC 2013", A. Alhazov (ed.); LNCS/Springer, 8340 (2014), ISBN: 978-3-642-54239-8; 173 - 188
• P Systems with Anti-Matter / R. Freund, Gh. Paun / Talk: 12th Brainstorming Week on Membrane Computing, Sevilla; 2014-02-03 - 2014-02-07; in: "12th Brainstorming Week on membrane Computing - Proceedings", Gh. Paun et al. (ed.); Fenix Editora, (2014), ISBN: 978-84-940056-4-0; 169 - 183
• Red-Green P Automata / R. Freund, E. Csuhaj-Varjú et al. / Talk: 12th Brainstorming Week on Membrane Computing, Sevilla; 2014-02-03 - 2014-02-07; in: "12th Brainstorming Week on membrane Computing - Proceedings", Fenix Editora, (2014), ISBN: 978-84-940056-4-0; 73 - 79
• Length P Systems with a Lone Traveler / R. Freund, A. Alhazov et al. / Talk: 12th Brainstorming Week on Membrane Computing, Sevilla; 2014-02-03 - 2014-02-07; in: "12th Brainstorming Week on membrane Computing - Proceedings", Gh. Paun et al. (ed.); Fenix Editora, (2014), ISBN: 978-84-940056-4-0; 37 - 49
• Priorities, Promoters and Inhibitors in Deterministic Non-Cooperative P Systems / R. Freund, A. Alhazov / Talk: 12th Brainstorming Week on Membrane Computing, Sevilla; 2014-02-03 - 2014-02-07; in: "12th Brainstorming Week on membrane Computing - Proceedings", Gh. Paun et al. (ed.); Fenix Editora, (2014), ISBN: 978-84-940056-4-0; 27 - 37
• Matter and Anti-Matter in Membrane Systems / R. Freund et al. / Talk: 12th Brainstorming Week on Membrane Computing, Sevilla; 2014-02-03 - 2014-02-07; in: "12th Brainstorming Week on membrane Computing - Proceedings", Gh. Paun et al. (ed.); Fenix Editora, (2014), ISBN: 978-84-940056-4-0; 1 - 27
• P Systems with Anti-Matter / R. Freund, A. Alhazov et al. / Talk: Theorietag Automaten und Formale Sprachen, Caputh; 2014-09-23 - 2014-09-25; in: "24.Theorietag "Automaten und Formale Sprachen"", H. Bordihn et al. (ed.); Universität Potsdam, (2014), ISSN: 0946-7580; 19 - 23
• Five Nodes Are Sufficient for Hybrid Networks of Evolutionary Processors to Be Computationally Complete / R. Freund, A. Alhazov, Y. Rogozhin / Talk: UCNC, London; 2014-07-14 - 2014-07-18; in: "Unconventional Computation and Natural Computation - 13th International Conference, UCNC 2014, London, ON, Canada, July 14-18, 2014, Proc", O.H. Ibarra et al. (ed.); LNCS/Springer, 8553 (2014), ISBN: 978-3-319-08122-9; 1 - 13
• Cooperating Distributed Grammar Systems of Finite Index Working in Hybrid Modes / R. Freund, H. Fernau, M Holzer / Talk: 14th International Conference on Automata and Formal Languages, AFL 2014, Hungary, May 27-29, 2014., Szeged; 2014-05-27 - 2014-05-29; in: "Proceedings 14th International Conference on Automata and Formal Languages, AFL 2014, Szeged, Hungary, May 27-29, 2014.", Z. Esik et al. (ed.); EPTCS, 151 (2014), ISSN: 2075-2180; 246 - 260

2013

• Vermittlung informatischer Kompetenzen und Medienkompetenzen in allen Lehramtstudien aller Ausbildungsinstitute Österreichs / A. Bachinger, G. Brandhofer, K Fuchs, G. Futschek, R. Freund, S. Gabriel, R. Goebl, W. Grossmann, P. Micheuz, E. Neuwirth, C. Nosko, M. Schedler, P. Traxler, D. Wohlhart / in: "Digitale Schule Österreich", issued by: Peter Micheuz, Anton Reiter, Gerhard Brandhofer, Martin Ebner, Barbara Sabitzer; books@ocg.at, Österreichische Computer Gesellschaft, 2013, ISBN: 9783854032977, 67 - 70
• A formalization of membrane szstems with dynamically evolving structures / R. Freund, S. Verlan et al. / International Journal of Computer Mathematics, 90 (2013), 4; 801 - 815
• Asynchronous and maximally parallel deterministic controlled non-cooperative P systems characterize NFIN and coNFIN / R. Freund, A. Alhazov / in: "Membrane computing. 13th international conference, CMC 2012, Budapest, Hungary, August 28--31, 2012", M. Gheorghe et al. (ed.); Springer LNCS, Heidelberg, 2013, ISBN: 978-3-642-36750-2, 101 - 111
• Sequential P systems with regular control / R. Freund, M. Oswald, A. Alhazov et al. / in: "Membrane computing. 13th international conference, CMC 2012, Budapest, Hungary, August 28--31, 2012.", M. Gheorghe et al. (ed.); Springer LNCS, Heidelberg, 2013, ISBN: 978-3-642-36750-2, 112 - 127
• Universal P Systems: One Catalyst Can Be Sufficient / R. Freund, Gh. Paun / Keynote Lecture: Brainstorming Week on Membrane Computing, Sevilla; 2013-02-04 - 2013-02-08; in: "Proceedings of Eleventh Brainstorming Week on Membrane Computing", Gh. Paun, L. Valencia-Cabrera et al. (ed.); Fenix Editora, Sevilla (2013), ISBN: 978-84-940691-9-2; 81 - 97
• Catalytic and purely catalytic P automata: control mechanisms for obtaining computational completeness / R. Freund, M. Oswald / Talk: 5th Workshop on Non-Classical Models of Automata and Applications (NCMA), Umea; 2013-08-13 - 2013-08-14; in: "Proceedings of the 5th Workshop on Non-Classical Models of Automata and Applications (NCMA)", S. Bensch, R. Freund et al. (ed.); Wien (2013), ISBN: 978-3-85403-294-6; 133 - 150
• How to Obtain Computational Completeness in P Systems with One Catalyst / R. Freund, Gh. Paun / Talk: MCU 2013, Zürich; 2013-09-09 - 2013-09-12; in: "Proceedings Machines, Computations and Universality 2013, MCU 2013, Zuerich, Switzerland, September 9-11, 2013", T. Neary et al. (ed.); (2013), 15
• Computational Completeness withe Generationg and Accepting P Systems Using Minimal Left and Right Insertion and Deletion / R. Freund, S. Verlan et al. / Talk: CMC 14, Chisinau; 2013-08-20 - 2013-08-23; in: "The 14th International Conferense on Membrane Computing, CMC 14, Chisinau, Moldova", A. Alhazov et al. (ed.); Chisinau (2013), ISBN: 978-3-642-40536-5; 321 - 325
• Control Mechnisms for Obtaining Comutational Completeness / R. Freund, M. Oswald, Gh. Paun / Talk: CMC 14, Chisinau; 2013-08-20 - 2013-08-23; in: "Proceedings of The 14th International Conferense on Membrane Computing, CMC 14, Chisinau, Moldova", Chisinau (2013), ISBN: 978-9975-4237-2-4; 317 - 321
• Undecidability and Computational Completeness for P Systems with One- and Two- dimensional Array Insertion and Deletion Rules / R. Freund, H. Fernau, M. Oswald et al. / Talk: CMC 14, Chisinau; 2013-08-20 - 2013-08-23; in: "The 14th International Conferense on Membrane Computing, CMC 14, Chisinau, Moldova", A. Alhazov et al. (ed.); Chisinau (2013), ISBN: 978-9975-4237-2-4; 309 - 313
• Array Insertion and Deletion P Systems / R. Freund, H. Fernau et al. / Talk: Unconventional Computation & Natural Computation 2013, Mailand; 2013-05-01 - 2013-05-05; in: "12th International Conference, UCNC 2013, Milan, Italy, July 1-5, 2013. Proceedings", G. Mauri, A. Dennunzio et al. (ed.); Heidelberg (2013), ISBN: 978-3-642-39073-9; 67 - 78
• Two Catalysts Can Be Sufficent for Computational Completeness / R. Freund / Talk: CMC 14, Chisinau; 2013-08-20 - 2013-08-23; in: "The 14th International Conferense on Membrane Computing, CMC 14, Chisinau, Moldova", A. Alhazov et al. (ed.); Chisinau (2013), ISBN: 978-9975-4237-2-4; 153 - 167
• Eine natürliche Membranhierachie / R. Freund, H. Fernau et al. / Talk: Theorietag Automaten und Formale Sprachen, Ilmenau; 2013-09-25 - 2013-09-27; in: "Automaten und Formale Sprachen", (2013), 49 - 52
• Array insertion and deletion P systems / R. Freund, H. Fernau, M. Oswald et al. / Talk: Theorietag Automaten und Formale Sprachen, Ilmenau; 2013-09-25 - 2013-09-27; in: "Automaten und Formale Sprachen", (2013), 46 - 49

2012

• Language Operators for Multiset languages and Modal Logic / R. Freund, M. Kudlek, N. Flick / Talk: NCMA, Fribourg, Schweiz; 2012-08-23 - 2012-08-24
• Rechnen mit Molekülen / R. Freund, M. Freund / Talk: Institutskolloquium des Instituts für Informatik, Halle an der Saale; 2012-07-06
• Membrane Systems With Membrane Labels Changing in Time / R. Freund, A. Alhazov et al. / Talk: 10th Brainstoming Week on Membrane Computing, Sevilla; 2012-01-30 - 2012-02-03
• Sequential and maximally parallel multiset rewriting: reversiblility and determinism / R. Freund, A. Alhazov, K. Morita / Natural Computing, 11 (2012), 1; 95 - 106
• P Systems with Minimal Left and Right Insertion and Deletion / R. Freund, Y. Rogozhin, S. Verlan / in: "11th Int. Conference on Unconventional Computation and Natural Computation", J. Durand-Lose et al. (ed.); Springer LNCS, Heidelberg, 2012, ISBN: 978-3-642-32893-0, 82 - 93
• P Systems with Minimal Left and Right Insertion and Deletion / R. Freund, S. Verlan et al. / in: "Tenth Brainstorming Week on Membrane Computing", M. Martinez et al. (ed.); Fénix Editora, Sevilla, 2012, ISBN: 978-84-940056-5-7, 123 - 136
• A formal framework for P systems with Dynamic Structure / R. Freund, S. Verlan et al. / in: "13th International Conference on Membrane Computing", E. Csuhaj-Varjú et al. (ed.); MTA Sztaki, Budapest, 2012, ISBN: 978-963-311-372-1, 199 - 210
• Time-varying sequential P systems / R. Freund, M. Oswald, S. Verlan et al. / in: "13th International Conference on Membrane Computing", E. Csuhaj-Varjú et al. (ed.); MTA Sztaki, Budapest, 2012, ISBN: 978-963-311-372-1, 99 - 114
• Asynchronous and Maximally Parallel Deterministic Controlled Non-Cooperative P Systems Characterize NFIN / R. Freund, A. Alhazov / in: "13th International Conference on Membrane Computing", E. Csuhaj-Varjú et al. (ed.); MTA Sztaki, Budapest, 2012, ISBN: 978-963-311-372-1, 87 - 98
• Asynchronous and Maximally Parallel Deterministic Controlled Non-Cooperative P Systems Characterize NFIN / R. Freund, A. Alhazov / in: "Tenth Brainstorming Week on Membrane Computing", M. Martinez, Gh. Paun et al. (ed.); Fénix Editora, Sevilla, 2012, ISBN: 978-84-940056-5-7, 25 - 34
• A formal framework for P systems with Dynamic Structure / R. Freund, S. Verlan et al. / in: "Tenth Brainstorming Week on Membrane Computing", M. Martinez et al. (ed.); Fénix Editora, Sevilla, 2012, ISBN: 978-84-940056-5-7, 111 - 122
• Self-Stabilization in Membrane Systems / R. Freund et al. / in: "Tenth Brainstorming Week on Membrane Computing", Gh. Paun, A. Paun et al. (ed.); Fénix Editora, Sevilla, 2012, ISBN: 978-84-940056-5-7, 1 - 10
• (Tissue) P Systems with Decaying Objects / R. Freund / Keynote Lecture: CMC'2012, Budapest; 2012-08-28 - 2012-08-31; in: "Proceedings of 13th Int.Conference of Membrane Computing", E. Csuhaj-Varjú et al. (ed.); LNCS 7762 (2012), ISBN: 978-3-642-36750-2; 1 - 26

2011

• A General Framework for Regulated Rewriting Based on the Applicability of Rules / R. Freund, M. Kogler, M. Oswald / Talk: Workshop on Computation, Cooperation, and Life, Otava, Teschechien; 2011-04-26 - 2011-04-27
• Bildung 2.0 / R. Freund, R. Taschner / in: "Best Spirit: Best Practice", Braumüller, Wien, 2011, (invited), ISBN: 978-3-7003-1805-7, 109 - 113
• Third Workshop on Non-Classical Models for Automata and Applications - NCMA 2011 / R. Freund, M Holzer et al. / Austrian Computer Society, 2011, ISBN: 978-3-85403-282-3
• International Journal of Foundations of Comuter Science / R. Freund, M. Gheorghe et al. / in series "Special Issue: Natural Computing: Theory and Applications", series editor: O. Ibarra; World Scientific Publishing Co. Pte. Ltd., New Jersey, 2011
• (Tissue) P systems working in the k - restricted minimally or maximally parallel transition mode / R. Freund, S. Verlan / Natural Computing, 10 (2011), 2; 821 - 833
• Preface / R. Freund, M. Gheorghe et al. / International Journal of Foundations of Computer Science, 22 (2011), 1; 1 - 6
• A General Framework for Regulated Rewriting Based on the Applicability of Rules / R. Freund, M. Kogler, M. Oswald / in: "Computation, Cooperation, and Life - Essays Dedicated to Gheorghe Paun on the Occasion of His 60th Birthday", J Kelemen, A. Kelemenova (ed.); Springer LNCS, 2011, ISBN: 978-3-642-19999-8, 35 - 53
• A General Framework for Regulated Rewriting / R. Freund / in: "21.Theorietag - Automaten und Formale Sprachen", J. Dassow, B. Truthe (ed.); Otto von Guericke Universität Magdeburg, Fakultät für Informatik, 2011, 37 - 41

2010

• Catalytic P Systems / R. Freund, A. Paun et al. / in: "The Oxford Handbook of Membrane Computing", Gh. Paun, G. Rozenberg, A. Salomaa (ed.); Oxford University Press, 2010, ISBN: 978-0-19-955667-0, 83 - 118
• Second Workshop on Non-Classical Models for Automata and Applications (NCMA 2010) / H. Bordihn, R. Freund et al. / in series "Books@ocg.at", series editor: G Chroust, G. Kotis et al.; Österreichische Computer Gesellschaft, 2010, ISBN: 978-3-85403-263-2
• Computationally Complete Spiking Neural P Systems without Delay: Two Types of Neurons Are Enough / R. Freund, M. Kogler / in: "11th International Conference, CMC2010 - Membrane Computing", M. Gheorghe, Gh. Paun et al. (ed.); issued by: LNCS; Springer LNCS, Heidelberg, 2010, ISBN: 3-642-18122-8, 198 - 208
• Computationally Complete Spiking Neural P Systems without Delay: Two Types of Neurons Are Enough / R. Freund, M. Kogler / in: "Proceedings of the Eleventh International Conference on Membrane Computing", Pro Business GmbH, 2010, ISBN: 978-3-86805-721-8, 193 - 205

2009

• On the Power of P and DP Automata / R. Freund, M. Kogler et al. / Analele Univeritatii Bucuresti, LVIII (2009), ISSN: 1224-7170; 5 - 22
• Partial Halting and Minimal Parallelism Based on Arbitrary Rule Partitions. / A. Alhazov, R. Freund, M. Oswald, S. Verlan / Fundamenta Informaticae, 91 (2009), 1; 17 - 34
• P Automata with controlled use of minimal Communication rules / R. Freund, M. Kogler, S. Verlan / Talk: NCMA, Wroclaw; 2009-08-31 - 2009-09-01; in: "Workshop on Non-Classical Models for Automata and Applications", H. Bordihn, R. Freund, M Holzer et al. (ed.); Österreichische Computer Ges., Wien (2009), ISBN: 978-3-85403-256-4; 107 - 121
• Simulating the behaviour of cellular automata by extended spiking neural P systems. / A. Binder, R. Freund, M. Oswald / Talk: Intern. Symp. on Artificial Life and Robotics (AROB), Beppu, Japan; 2009-02-05 - 2009-02-07; in: "14th International Symposium on Artificial Life and Robotics", M. Sugisaka, H. Tanaka (ed.); (2009), ISBN: 978-4-9902880-3-7; 293 - 296

2008

• Bio-Inspired Computing: DNA Computing and Membrane Computing / R. Freund / Keynote Lecture: BIRD'08 2nd International Conference on Bioinformatics Research and Development, Wien (invited); 2008-07-07 - 2008-07-09
• Membrane Systems / R. Freund / Keynote Lecture: The 12th World Multi-Conference on Systemics, Cybernetics and Informatics: WMSCI 2008, Orlando, Florida (invited); 2008-06-29 - 2008-07-02
• P Systems Working in the 1-restricted Minimally Parallel Derivation Mode / R. Freund / Talk: Workshop on Language-Theoretic Models of Decentralized and Distributed Systems, Opava (invited); 2008-06-16 - 2008-06-17
• An Integrating View on DNA Computing and Membrane Computing / R. Freund / Keynote Lecture: 10th WSEAS Int. Conf. on MATHEMATICAL METHODS AND COMPUTATIONAL TECHNIQUES IN ELECTRICAL ENGINEERING (MMACTEE '08), Sofia, Bulgaria (invited); 2008-05-02 - 2008-05-04
• International Workshop on Computing with Biomolecules / E. Csuhaj-Varjú, R. Freund, M. Oswald, K. Salomaa / Österreichische Computer Gesellschaft, Wien, 2008, ISBN: 978-3-85403-244-1; 101 pages
• Unconventional Computing - 7th International Conference, UC 2008 Vienna, Austria, August 25-28, 2008. Proceedings / C. Calude, J.F. Costa, R. Freund, M. Oswald, G. Rozenberg / Springer LNCS, Berlin / Heidelberg, 2008, ISBN: 978-3-540-85193-6; 259 pages
• CD Grammar Systems with Regular Start Conditions / R. Freund, M. Oswald / International Journal of Foundations of Computer Science, 19 (2008), 4; 767 - 779
• Extended Spiking Neural P Systems with Decaying Spikes and/or Total Spiking / R. Freund, M. Oswald, M. Ionescu / International Journal of Foundations of Computer Science, 19 (2008), 5; 1223 - 1234
• Regular ω-Languages defined by Extended Spiking Neural P Systems / R. Freund, M. Oswald / Fundamenta Informaticae (invited), 83 (2008), 1-2; 65 - 73
• (Tissue) P Systems Working in the k-Restricted Minimally Parallel Mode / R. Freund, S. Verlan / Talk: Internationaler Workshop on Computing with Biomolecules, Wien; 2008-08-27; in: "International Workshop on Computing with Biomolecules", R. Freund, M. Oswald, E. Csuhaj-Varjú, K. Salomaa (ed.); Oesterreichische Computer Gesellschaft, 244 (2008), ISBN: 978-3-85403-244-1; 43 - 53
• (Tissue) P systems using non-cooperative rules without halting conditions / M. Beyreder, R. Freund / Talk: Workshop on Membrane Computing, WMC, Edinburgh; 2008-07-28 - 2008-07-31; in: "Proceedings of the Ninth Workshop on Membrane Computing", P. Frisco, D. W. Corne, Gh. Paun (ed.); (2008), 85 - 94
• Extended Spiking neural P systems - variants for modeling the brain / A. Binder, R. Freund, M. Oswald / Talk: Intern. Symp. on Artificial Life and Robotics (AROB), Beppu, Oita, Japan; 2008-01-31 - 2008-02-02; in: "Proc.13th International Symposium on Artificial Life and Robotics AROB13th 2008", M. Sugisaka, H. Tanaka (ed.); (2008), ISBN: 978-4-9902880-2-0; 520 - 524
• (Tissue) P Systems Working in the k-Restricted Minimally Parallel Mode / R. Freund, S. Verlan / Talk: Theorietag Automaten und Formale Sprachen, Wettenberg-Launsbach; 2008-09-30 - 2008-10-02; in: "18.Theorietag - Automaten und Formale Sprachen", M Holzer, M. Kutrib, A. Malcher (ed.); Justus-Liebig Verlag, (2008), ISBN: 978-3-00-025920-3; 49 - 55

2007

• Refining the Nonterminal Complexity of Graph-controlled, Programmed and Matrix Grammars / H. Fernau, R. Freund, M. Oswald, K. Reinhardt / Journal of Automata, Languages and Combinatorics, 12 (2007), 1/2; 117 - 138
• Cellular Automata and Parallel Array Systems / R. Freund, F. Tafill / Fundamenta Informaticae, 78 (2007), 3; 311 - 327
• Tissue P Systems and (MEM) Brane Systems with Mate and Drip Operations Working on Strings / R. Freund, M. Oswald / Electronic Notes in Theoretical Computer Science (ENTCS), 171 (2007), 105 - 115
• Multiset random context grammars, checkers, and transducers / M. Cavaliere, R. Freund, M. Oswald, D. Sburlan / Theoretical Computer Science, 372 (2007), 136 - 151
• Partial Halting in P Systems / R. Freund, M. Oswald / International Journal of Foundations of Computer Science, 18 (2007), 6; 1215 - 1225
• Modelling Grammar Systems by Tissue P Systems Working in the Sequential Mode / R. Freund, M. Oswald / Fundamenta Informaticae, 76 (2007), 3; 305 - 323
• Modelling Logical Gates with ESNPA Systems / A. Binder, R. Freund, M. Oswald, L. Vock / Talk: Theorietag Automaten und Formale Sprachen, Leipzig; 2007-09-27 - 2007-09-29; in: "17.Theorietag Automaten und Formale Sprachen", M. Droste, M. Lohrey (ed.); (2007), 28 - 32
• Symport/Antiport Systems with Partial Halting / R. Freund, M. Oswald / Talk: Theorietag Automaten und Formale Sprachen, Leipzig; 2007-09-27 - 2007-09-29; in: "17.Theorietag Automaten und Formale Sprachen", M. Droste, M. Lohrey (ed.); (2007), 50 - 54
• Extended spiking neural P systems with spikes of limited lifetime / R. Freund, M. Ionescu, M. Oswald / Talk: Theorietag Automaten und Formale Sprachen, Leipzig; 2007-09-27 - 2007-09-29; in: "17.Theorietag Automaten und Formale Sprachen", M. Droste, M. Lohrey (ed.); (2007), 45 - 49
• Spiking neural P systems with inhibitory axons / R. Freund, M. Oswald / Talk: Intern. Symp. on Artificial Life and Robotics (AROB), Beppu; 2007-01-25 - 2007-01-27; in: "Proceedings of the 12th Interantional Symbosium on Artificial Life and Robotics", M. Sugisaka, H. Tamaka (ed.); ISAROB 2007, (2007), ISBN: 978-4-9902880-1-3; 509 - 512
• Polarizationless P Systems with Active Membranes Working in the Minimally Parallel Mode / R. Freund, Gh. Paun, M. Pérez-Jiménez / Talk: UC2007, Kingston; 2007-08-13 - 2007-08-17; in: "Unconventional Computation", S. Akl, C. Calude et al. (ed.); LNCS, Springer, 4618 (2007), ISBN: 3-540-73553-4; 62 - 76
• Partial Halting in P Systems Using Membrane Rules with Permitting Contexts / A. Alhazov, R. Freund, M. Oswald, S. Verlan / Talk: MCU (International Conference Machines, Computations and Universality), Orleans; 2007-09-10 - 2007-09-13; in: "Machines, Computations, and Universality", J. Durand-Lose, M. Margenstern (ed.); LNCS, Springer, 4664 (2007), ISSN: 0302-9743; 110 - 121
• CD Grammar Systems with Regular Start Conditions / R. Freund, M. Oswald / Talk: International Workshop on Descriptional Complexity of Formal Systems, High Tatras; 2007-07-20 - 2007-07-22; in: "Descriptional Complexity of Formal Systems", V. Geffert, G. Pighizzini (ed.); (2007), ISBN: 978-80-7097-688-3; 69 - 80
• Extended spiking neural P systems with decaying spikes and/or total spiking / R. Freund, M. Ionescu, M. Oswald / Talk: International Workshop Automata for Cellular and Molecular Computing, Budapest; 2007-08-31; in: "Proceedings of the International Workshop Automata for Cellular and Molecular Computing", Gy. Vaszil (ed.); MTA Sztaki, (2007), 64 - 75
• A formal framework for P systems / R. Freund, S. Verlan / Talk: Workshop on Membrane Computing, Thessaloniki; 2007-06-25 - 2007-06-28; in: "Eighth Workshop on Membane Computing (WMC8)", G. Eleftherakis, P. Kefalas, Gh. Paun (ed.); South-East European Research Centre, (2007), ISBN: 978-960-89629-2-7; 317 - 330

2006

• (Tissue) P Systems with Mate and Drip Operations and Cut and Paste Operations / R. Freund, M. Oswald / Talk: ESF Workshop on Automata and formal languages for DNA computation and bioinformatics, Como, Italien; 2006-10-18 - 2006-10-20
• Special variants of P systems with one catalyst in one membrane / R. Freund / Talk: DCFS (Descriptional Complexity of Formal Systems), Las Cruces, New Mexico, USA; 2006-06-21 - 2006-06-23
• A small universal antiport P system with forbidden context / R. Freund, M. Oswald / Talk: DCFS (Descriptional Complexity of Formal Systems), Las Cruces, New Mexico, USA; 2006-06-21 - 2006-06-23
• Algebraic representation of regular array languages / R. Freund / Talk: ESF Exploratory Workshop: Advances on Two-dimensional Language Theory, Salerno, Italien; 2006-05-03 - 2006-05-05
• Syntactical pattern recognition with 2-dimensional array grammars and array automata / R. Freund / Talk: ESF Exploratory Workshop: Advances on Two-dimensional Language Theory, Salerno, Italien; 2006-05-03 - 2006-05-05
• Contextual Array Grammars / R. Freund, Gh. Paun, G. Rozenberg / in: "Formal Models, Languages and Applications", K. Subramanian et al. (ed.); World Scientific, Singapore, 2006, ISBN: 981-256-889-1, 112 - 136
• Proceedings 16.Theorietag Automaten und Formale Sprachen / R. Freund, M. Oswald / TU Wien, Wien, 2006
• Membrane Computing · 6th International Workshop, WMC 2005, Vienna, Austria, July 18-21, 2005, Revised Selected and Invited Papers / R. Freund, Gh. Paun, G. Rozenberg, A. Salomaa / Springer LNCS 3850, Berlin, 2006, ISBN: 978-3-540-30948-2; 371 pages
• P colonies and prescribed teams / R. Freund, M. Oswald / International Journal of Computer Mathematics, 83 (2006), 7; 569 - 592
• Membrane division, restricted membrane creation and object complexity in P systems / A. Alhazov, R. Freund, A. Riscos-Núñez / International Journal of Computer Mathematics, 83 (2006), 7; 529 - 548
• Routes and Products of Monoids / A. Mateescu, R. Freund / Fundamenta Informaticae, 73 (2006), 1-2; 205 - 211
• Cell/symbol complexity of tissue P systems with symport/antiport rules / A. Alhazov, R. Freund, M. Oswald / International Journal of Foundations of Computer Science, 17 (2006), 1; 3 - 25
• (Tissue) P Systems with Unit Rules and Energy Assigned to Membranes / A. Alhazov, R. Freund, A. Leporati, M. Oswald, C. Zandron / Fundamenta Informaticae, 74 (2006), 4; 391 - 408
• Small Universal Antiport P Systems and Universal Multiset Grammars / R. Freund, M. Oswald / in: "Proceedings of the Fourth Brainstorming Week on Membrane Computing, Volume II", C. Graciani-Díaz, Gh. Paun, A. Romero-Jiménez, F. Sancho-Caparrini (ed.); Fénix Editora, Sevilla, 2006, 51 - 64
• Particular Results for Variants of P Systems with One Catalyst in One Membrane / R. Freund / in: "Proceedings of the Fourth Brainstorming Week on Membrane Computing, Volume II", C. Graciani-Díaz, Gh. Paun, A. Romero-Jiménez, F. Sancho-Caparrini (ed.); Fénix Editora, Sevilla, 2006, 41 - 50
• On String Languages Generated by Spiking Neural P Systems / H. Chen, R. Freund, M. Ionescu, Gh. Paun, M. Pérez-Jiménez / in: "Proceedings of the Fourth Brainstorming Week on Membrane Computing, Volume I", M.A. Gutiérrez-Naranjo, Gh. Paun, A. Riscos-Núñez, F.J. Romero-Campero (ed.); Fénix Editora, Sevilla, 2006, 169 - 194
• Multiset Random Context Grammars, Checkers, and Transducers / M. Cavaliere, R. Freund, M. Oswald, D. Sburlan / in: "Proceedings of the Fourth Brainstorming Week on Membrane Computing, Volume I", M.A. Gutiérrez-Naranjo, Gh. Paun, A. Riscos-Núñez, F.J. Romero-Campero (ed.); Fénix Editora, Sevilla, 2006, 113 - 132
• Two Universality Results for (Mem)Brane Systems / D. Besozzi, N. Busi, G. Franco, R. Freund, Gh. Paun / in: "Proceedings of the Fourth Brainstorming Week on Membrane Computing, Volume I", M.A. Gutiérrez-Naranjo, Gh. Paun, A. Riscos-Núñez, F.J. Romero-Campero (ed.); Fénix Editora, Sevilla, 2006, 49 - 62
• Computational Power of Symport/Antiport: History, Advances, and Open Problems / A. Alhazov, R. Freund, Y. Rogozhin / in: "Membrane Computing · 6th International Workshop, WMC 2005, Vienna, Austria, July 18-21, 2005, Revised Selected and Invited Papers", R. Freund, Gh. Paun, G. Rozenberg, A. Salomaa (ed.); Springer LNCS 3850, Berlin, 2006, (invited), ISBN: 978-3-540-30948-2, 1 - 31
• Symbol/Membrane Complexity of P Systems with Symport/Antiport Rules / A. Alhazov, R. Freund, M. Oswald / in: "Membrane Computing · 6th International Workshop, WMC 2005, Vienna, Austria, July 18-21, 2005, Revised Selected and Invited Papers", R. Freund, Gh. Paun, G. Rozenberg, A. Salomaa (ed.); Springer LNCS 3850, Berlin, 2006, ISBN: 978-3-540-30948-2, 97 - 114
• Modelling Distributed Systems by P Systems / A. Binder, R. Freund, G. Lojka, M. Oswald / Talk: Theorietag Automaten und Formale Sprachen, Wien; 2006-09-27 - 2006-09-29; in: "Proceedings 16.Theorietag Automaten und Formale Sprachen", R. Freund, M. Oswald (ed.); (2006), 22 - 27
• (Mem)Brane Systems and Tissue P Systems with Mate and Drip Operations / R. Freund, M. Oswald / Talk: Theorietag Automaten und Formale Sprachen, Wien; 2006-09-27 - 2006-09-29; in: "Proceedings 16.Theorietag Automaten und Formale Sprachen", R. Freund, M. Oswald (ed.); (2006), 51 - 56
• P Systems for Modelling Biological Processes in Living Cells / R. Freund, T. Gschwandtner / Talk: Theorietag Automaten und Formale Sprachen, Wien; 2006-09-27 - 2006-09-29; in: "Proceedings 16.Theorietag Automaten und Formale Sprachen", R. Freund, M. Oswald (ed.); (2006), 46 - 50
• Membrane Systems with Attributes for Modelling Business Transactions / R. Freund, M. Oswald, T. Schirk / Talk: Theorietag Automaten und Formale Sprachen, Wien; 2006-09-27 - 2006-09-29; in: "Proceedings 16.Theorietag Automaten und Formale Sprachen", R. Freund, M. Oswald (ed.); (2006), 57 - 62
• Extended Spiking Neural P Systems as Generating Devices for Strings and Vectors of Non-Negative Integers / A. Alhazov, R. Freund, M. Oswald, M. Slavkovik / Talk: Theorietag Automaten und Formale Sprachen, Wien; 2006-09-27 - 2006-09-29; in: "Proceedings 16.Theorietag Automaten und Formale Sprachen", R. Freund, M. Oswald (ed.); (2006), 17 - 21
• How a membrane agent buys goods in a membrane store / R. Freund, M. Oswald, T. Schirk / Talk: BIC-TA 2006, Wuhan, China; 2006-09-18 - 2006-09-22; in: "Pre-proc. of Int. Conf. on Bio-Inspired Computing - Theory and Applications, BIC-TA 2006, Membrane Computing Section", L. Pan, Gh. Paun (ed.); (2006), 93 - 102
• Applications of membrane systems in distributed systems / A. Binder, R. Freund, G. Lojka, M. Oswald / Talk: BIC-TA 2006, Wuhan, China; 2006-09-18 - 2006-09-22; in: "Pre-proc. of Int. Conf. on Bio-Inspired Computing - Theory and Applications, BIC-TA 2006, Membrane Computing Section", L. Pan, Gh. Paun (ed.); (2006), 37 - 50
• Tissue P systems with mate and drip operations / R. Freund, M. Oswald / Talk: MeCBIC2006 Workshop on Membrane Computing and Biologically Inspired Process Calculi, S. Servolo, Venice, Italy; 2006-07-09; in: "MeCBIC2006 Workshop on Membrane Computing and Biologically Inspired Process Calculi", N. Busi, C. Zandron (ed.); (2006), 1 - 12
• Modeling the Dynamical Parallelism of Bio-Systems / E. Csuhaj-Varjú, R. Freund, D. Sburlan / Talk: Workshop on Membrane Computing, WMC7, Leiden, Niederlande; 2006-07-17 - 2006-07-21; in: "pre-proceedings of the 7th Workshop on Membrane Computing WMC7", H. Hoogeboom, Gh. Paun, G. Rozenberg (ed.); (2006), 290 - 310
• Tissue P Systems with Communication Modes / F. Bernardini, R. Freund / Talk: Workshop on Membrane Computing, WMC7, Leiden, Niederlande; 2006-07-17 - 2006-07-21; in: "pre-proceedings of the 7th Workshop on Membrane Computing WMC7", H. Hoogeboom, Gh. Paun, G. Rozenberg (ed.); (2006), 132 - 144
• Extended Spiking Neural P Systems Generating Strings and Vectors of Non-Negative Integers / A. Alhazov, R. Freund, M. Oswald, M. Slavkovik / Talk: Workshop on Membrane Computing, WMC7, Leiden, Niederlande; 2006-07-17 - 2006-07-21; in: "pre-proceedings of the 7th Workshop on Membrane Computing WMC7", H. Hoogeboom, Gh. Paun, G. Rozenberg (ed.); (2006), 88 - 101

2005

• Membrane Computing / R. Freund / Keynote Lecture: 4th WSEAS International Conference on ARTIFICIAL INTELLIGENCE, KNOWLEDGE ENGINEERING and DATABASES (AIKED `05), Salzburg (invited); 2005-02-13 - 2005-02-15
• P systems with active membranes and without polarizations / R. Freund, A. Paun / Soft Computing, 9 (2005), 9; 657 - 663
• Representations of Recursively Enumerable Array Languages by Contextual Array Grammars / H. Fernau, R. Freund, M Holzer / Fundamenta Informaticae, 64 (2005), 1-4; 159 - 170
• Tissue P Systems with Channel States / R. Freund, Gh. Paun, M. Pérez-Jiménez / Theoretical Computer Science, 330 (2005), 101 - 116
• Modelling Artificial Life by Attributed Eco-array Grammars / A. Binder, R. Freund, M. Oswald / Artificial Life and Robotics, 9 (2005), 1; 63 - 66
• P Systems Working in the Sequential Mode on Arrays and Strings / R. Freund / International Journal of Foundations of Computer Science, 16 (2005), 4; 663 - 682
• Optimal Results for the Computational Completeness of Gemmating (Tissue) P Systems / R. Freund, M. Oswald, A. Paun / International Journal of Foundations of Computer Science, 16 (2005), 5; 929 - 942
• Computationally Universal P Systems without Priorities: Two Catalysts are Sufficient / R. Freund, L. Kari, M. Oswald, P. Sosik / Theoretical Computer Science, 330 (2005), 251 - 266
• Computational Completeness of P Systems with Active Membranes and Two Polarizations / A. Alhazov, R. Freund, Gh. Paun / in: "Machines, Computations, and Universality", M. Margenstern (ed.); Springer, LNCS, Berlin, 2005, ISBN: 3-540-25261-4, 82 - 92
• Tissue P Systems with Symport/Antiport Rules of One Symbol are Computationally Universal / R. Freund, M. Oswald / in: "Cellular Computing (Complexity Aspects)", M.A. Gutiérrez-Naranjo, Gh. Paun, M. Pérez-Jiménez (ed.); Fénix Editora, Sevilla, 2005, 187 - 200
• Some Optimal Results on Symport/Antiport P Systems with Minimal Cooperation / A. Alhazov, R. Freund, Y. Rogozhin / in: "Cellular Computing (Complexity Aspects)", M.A. Gutiérrez-Naranjo, Gh. Paun, M. Pérez-Jiménez (ed.); Fénix Editora, Sevilla, 2005, 23 - 36
• Tissue P Systems with Antiport Rules and Small Numbers of Symbols and Cells / A. Alhazov, R. Freund, M. Oswald / in: "Cellular Computing (Complexity Aspects)", M.A. Gutiérrez-Naranjo, Gh. Paun, M. Pérez-Jiménez (ed.); Fénix Editora, Sevilla, 2005, 7 - 22
• Matrix Languages, Register Machines, Vector Addition Systems / R. Freund, O.H. Ibarra, Gh. Paun, H.-C. Yen / in: "Third Brainstorming Week on Membrane Computing", M.A. Gutiérrez-Naranjo, A. Riscos-Núñez, F.J. Romero-Campero, D. Sburlan (ed.); issued by: Research Group on Natural Computing, Sevilla University; Fénix Editora, Sevilla, 2005, 155 - 168
• Event-related Outputs of Computations in P Systems / M. Cavaliere, R. Freund, A. Leitsch, Gh. Paun / in: "Third Brainstorming Week on Membrane Computing", M.A. Gutiérrez-Naranjo, A. Riscos-Núñez, F.J. Romero-Campero, D. Sburlan (ed.); issued by: Research Group on Natural Computing, Sevilla University; Fénix Editora, Sevilla, 2005, 107 - 122
• P Systems with One Membrane and Symport/Antiport Rules of Five Symbols are Coputationally Complete / A. Alhazov, R. Freund / in: "Third Brainstorming Week on Membrane Computing", M.A. Gutiérrez-Naranjo, A. Riscos-Núñez, F.J. Romero-Campero, D. Sburlan (ed.); issued by: Research Group on Natural Computing, Sevilla University; Fénix Editora, Sevilla, 2005, 19 - 28
• P Systems Generating Trees / R. Freund, M. Oswald, A. Paun / in: "Membrane Computing. International Workshop, WMC 2004", G. Mauri, Gh. Paun, M. Pérez-Jiménez, G. Rozenberg, A. Salomaa (ed.); Springer, LNCS, Berlin, 2005, ISBN: 3-540-25080-8, 309 - 319
• On the Efficiency of P Systems with Active Membranes and Two Polarizations / A. Alhazov, R. Freund / in: "Membrane Computing. International Workshop, WMC 2004", G. Mauri, Gh. Paun, M. Pérez-Jiménez, G. Rozenberg, A. Salomaa (ed.); Springer, LNCS, Berlin, 2005, ISBN: 3-540-25080-8, 146 - 160
• Asynchronous P Systems and P Systems Working in the Sequential Mode / R. Freund / in: "Membrane Computing. International Workshop, WMC 2004", G. Mauri, Gh. Paun, M. Pérez-Jiménez, G. Rozenberg, A. Salomaa (ed.); Springer, LNCS, Berlin, 2005, (invited), ISBN: 3-540-25080-8, 36 - 62
• Sequential P Systems with Unit Rules and Energy Assigned to Membranes / R. Freund, A. Leporati, M. Oswald, C. Zandron / in: "Machines, Computations, and Universality", M. Margenstern (ed.); Springer, LNCS, Berlin, 2005, ISBN: 3-540-25261-4, 200 - 210
• One and Two Polarizations, Membrane Creation and Objects Complexity in P Systems / A. Alhazov, R. Freund, A. Riscos-Núñez / Talk: International Workshop on Theory and Application of P Systems (TAPS), Timisoara, Romania; 2005-09-26 - 2005-09-27; in: "Proceedings of the 1st International Workshop on Theory and Application of P Systems", G. Ciobanu, Gh. Paun (ed.); ???, (2005), 9 - 18
• Optimal Nonterminal Complexity of Graph-controlled Grammars / H. Fernau, R. Freund, M. Oswald, K. Reinhardt / Talk: Theorietag Automaten und Formale Sprachen, Lauterbad bei Freudenstadt; 2005-09-28 - 2005-09-29; in: "15. Theorietag der GI Fachgruppe 0.1.5 Automaten und Formale Sprachen", H. Fernau (ed.); (2005), ISSN: 0946-3852; 13 - 17
• Membrane Systems as a Model for Distributed Computing / A. Binder, R. Freund, G. Lojka, M. Oswald / Talk: Theorietag Automaten und Formale Sprachen, Lauterbad bei Freudenstadt; 2005-09-28 - 2005-09-29; in: "15. Theorietag der GI Fachgruppe 0.1.5 Automaten und Formale Sprachen", H. Fernau (ed.); (2005), ISSN: 0946-3852; 1 - 5
• Symbol/Membrane Complexity of P Systems with Symport/Antiport Rules / A. Alhazov, R. Freund, M. Oswald / Talk: Workshop on Membrane Computing, Wien; 2005-07-18 - 2005-07-21; in: "Preproceedings of the 6th International Workshop on Membrane Computing WMC6", F. Freund, G. Lojka, M. Oswald, Gh. Paun (ed.); (2005), 123 - 146
• Computational Power of Symport/Antiport: History, Advances and Open Problems / A. Alhazov, R. Freund, Y. Rogozhin / Talk: Workshop on Membrane Computing, Wien (invited); 2005-07-18 - 2005-07-21; in: "Preproceedings of the 6th International Workshop on Membrane Computing WMC6", R. Freund, G. Lojka, M. Oswald, Gh. Paun (ed.); (2005), 44 - 78
• Tissue P Systems with Antiport Rules and Small Numbers of Symbols and Cells / A. Alhazov, R. Freund, M. Oswald / Talk: International Conference on Developments in Language Theory (DLT), Palermo, Italy; 2005-07-04 - 2005-07-08; in: "Developments in Language Theory. 9th International Conference, DLT 2005", C. De Felice, A. Restivo (ed.); Springer, LNCS 3572 (2005), ISBN: 3-540-26546-5; 100 - 111
• Refining the Nonterminal Complexity of Graph-controlled Grammars / H. Fernau, R. Freund, M. Oswald, K. Reinhardt / Talk: International Workshop on Descriptional Complexity of Formal Systems, Como, Italy; 2005-06-30 - 2005-07-02; in: "Seventh International Workshop on Descriptional Complexity of Formal Systems, Proceedings", C. Mereghetti, B. Palano, G. Pighizzini, D. Wotschke (ed.); (2005), 110 - 121
• P Colonies Working in the Maximally Parallel and in the Sequential Mode / R. Freund, M. Oswald / Talk: International Workshop on Theory and Application of P Systems (TAPS), Timisoara, Romania; 2005-09-26 - 2005-09-27; in: "Proceedings of the 1st International Workshop on Theory and Application of P Systems", G. Ciobanu, Gh. Paun (ed.); (2005), 49 - 56

2004

• Asynchronous P Systems on Arrays and Strings / R. Freund / Talk: International Conference on Developments in Language Theory (DLT), Auckland, New Zealand; 2004-12-13 - 2004-12-17
• Tissue P Systems Simulating Grammar Systems / R. Freund, M. Oswald / Talk: Molecular Computing, Leiden, the Netherlands; 2004-11-22 - 2004-11-26
• P Systems Working in the Asynchronous and the Sequential Mode / R. Freund / Talk: Molecular Computing, Leiden, the Netherlands; 2004-11-22 - 2004-11-26
• Sequential P Systems with Unit Rules and Energy Assigned to Membranes / R. Freund, A. Leporati, M. Oswald, C. Zandron / Talk: MCU (International Conference Machines, Computations and Universality), St. Petersburg, Russia; 2004-09-21 - 2004-09-26
• Computational Completeness of P Systems with Active Membranes and Two Polarizations / A. Alhazov, R. Freund, Gh. Paun / Talk: MCU (International Conference Machines, Computations and Universality), St. Petersburg, Russia; 2004-09-21 - 2004-09-26
• P Systems with Antiport Rules for Evolution Rules / R. Freund, M. Oswald / Talk: WSEAS Internation Conference on Evolutionary Computation, Udine, Italy; 2004-03-25 - 2004-03-27
• Splicing Test Tube Systems and Their Relation to Splicing Membrane Systems / F. Freund, R. Freund, M. Oswald / in: "Aspects of Molecular Computing. Essays Dedicated to Tom Head on the Occasion of His 70th Birthday", N. Jonoska, Gh. Paun, G. Rozenberg (ed.); Springer, Heidelberg, 2004, ISBN: 3-540-20781-3, 139 - 151
• P Systems with Conditional Communication Rules Assigned to Membranes / R. Freund, M. Oswald / Journal of Automata, Languages and Combinatorics, 9 (2004), 4; 387 - 397
• P Systems with Antiport Rules for Evolution Rules / R. Freund, M. Oswald / WSEAS Transactions on Systems, 2 (2004), 3; 866 - 873
• P Automata with Membrane Channels / R. Freund, M. Oswald / Artificial Life and Robotics, 8 (2004), 2; 186 - 189
• P Systems with Local Graph Productions / R. Freund, M. Oswald / New Generation Computing, 22 (2004), 365 - 375
• From Regulated Rewriting to Computing with Membranes: collapsing Hierarchies / R. Freund, C. Martin-Vide, Gh. Paun / Theoretical Computer Science, 312 (2004), 143 - 188
• P Systems Working in the Sequential Mode on Arrays and Strings / R. Freund / in: "Developments in Language Theory, 8th International Conference, DLT 2004, Auckland, New Zealand, December 13-17, Proceedings", C. Calude, E. Calude, M. Dinneen (ed.); Springer LNCS 3340, Heidelberg, 2004, ISBN: 3-540-24014-4, 188 - 199
• P Systems with Active Membranes and without Polarizations / R. Freund, A. Paun / in: "Second Brainstorming Week on Membrane Computing", Gh. Paun, A. Riscos-Núñez, A. Romero-Jiménez, F. Sancho-Caparrini (ed.); Universidad de Sevilla, Sevilla, 2004, 193 - 205
• Tissue-like P Systems with Channel-States / R. Freund, Gh. Paun, M. Pérez-Jiménez / in: "Second Brainstorming Week on Membrane Computing", Gh. Paun, A. Riscos-Núñez, A. Romero-Jiménez, F. Sancho-Caparrini (ed.); Universidad de Sevilla, Sevilla, 2004, 206 - 223
• P Systems with Antiport Rules for Evolution Rules / R. Freund, M. Oswald / in: "Second Brainstorming Week on Membrane Computing", Gh. Paun, A. Riscos-Núñez, A. Romero-Jiménez, F. Sancho-Caparrini (ed.); Universidad de Sevilla, Sevilla, 2004, 183 - 192
• Sequential P Systems with Unit Rules and Energy Assigned to Membranes / R. Freund, A. Leporati, M. Oswald, C. Zandron / in: "Second Brainstorming Week on Membrane Computing", Gh. Paun, A. Riscos-Núñez, A. Romero-Jiménez, F. Sancho-Caparrini (ed.); Universidad de Sevilla, Sevilla, 2004, 168 - 182
• P Systems with Active Membranes and Two Polarizations / A. Alhazov, R. Freund, Gh. Paun / in: "Second Brainstorming Week on Membrane Computing", Gh. Paun, A. Riscos-Núñez, A. Romero-Jiménez, F. Sancho-Caparrini (ed.); Universidad de Sevilla, Sevilla, 2004, 20 - 37
• P Systems with Cutting/Recombination Rules Assigned to Membranes / F. Freund, R. Freund, M. Oswald, M. Margenstern, Y. Rogozhin, S. Verlan / in: "Membrane Computing. International Workshop, WMC 2003, Tarragona, Spain, July 17-22, 2003", C. Martin-Vide, G. Mauri, Gh. Paun, G. Rozenberg, A. Salomaa (ed.); Springer, Heidelberg, 2004, ISBN: 3-540-20895-x, 191 - 202
• ω-P automata with Communication Rules / R. Freund, M. Oswald, L. Staiger / in: "Membrane Computing. International Workshop WMC 2003, Tarragona, Spain, July 17-22, 2003 ", C. Martin-Vide, G. Mauri, Gh. Paun, G. Rozenberg, A. Salomaa (ed.); Springer, Heidelberg, 2004, ISBN: 3-540-20895-x, 203 - 217
• Modelling Grammar Systems by Tissue P Systems Working in the Sequential Mode / R. Freund, M. Oswald / in: "Proceedings of Grammar Systems Week 2004, Budapest, Hungary, July 5-9, 2004", E. Csuhaj-Varjú, Gy. Vaszil (ed.); MTA Sztaki, 2004, 179 - 199
• P Systems Generating Trees / R. Freund, M. Oswald, A. Paun / Talk: Workshop on Membrane Computing, Milano, Italy; 2004-06-14 - 2004-06-16; in: "Pre-proceedings of the Fifth Workshop on Membrane Computing, Milano - Italy, June 2004 (WMC5)", G. Mauri, Gh. Paun, C. Zandron (ed.); (2004), 221 - 232
• Extended Gemmating P Systems are Computationally Complete with Four Membranes / R. Freund, M. Oswald, A. Paun / Talk: DCFS (Descriptional Complexity of Formal Systems), London, Ontario, Canada; 2004-07-26 - 2004-07-28; in: "Pre-proceedings DCFS 2004, Western University, London, Ontario, Canada, 2004", L. Ilie, D. Wotschke (ed.); (2004), 24 - 33
• Implementation of Catalytic P Systems / A. Binder, R. Freund, G. Lojka, M. Oswald / Talk: CIAA (Conference on Implementation and Application of Automata), Kingston, Ontario, Canada; 2004-07-22 - 2004-07-24; in: "Pre-proceedings CIAA 2004, Queen's University, Kingston, Ontario, Canada, 2004", M. Domaratzky, A. Okhotin, K. Salomaa, S. Yu (ed.); (2004), 24 - 33
• Implementierung von katalytischen P-Systemen / A. Binder, R. Freund, G. Lojka, M. Oswald / Talk: Theorietag Automaten und Formale Sprachen, Caputh bei Potsdam, Germany; 2004-09-27 - 2004-09-30; in: "Workshop Formale Methoden der Linguistik und 14. Theorietag Automaten und Formale Sprachen. Preprint 2/2004, Institut für Informatik, Universität Potsdam, 2004.", S. Bensch, O. Boldt, H. Bordihn, H. Jürgensen (ed.); (2004), 49 - 53
• Modelling Artificial Life by Attributed Eco-array Systems / A. Binder, R. Freund, M. Oswald / Talk: Intern. Symp. on Artificial Life and Robotics (AROB), Beppu, Oita, JAPAN; 2004-01-28 - 2004-01-30; in: "Proceedings of the ninth International Symposium on Artificial Life and Robotics (AROB 9th '04)", M. Sugisaka, H. Tanaka (ed.); (2004), ISBN: 4-9900462-4-2; 45 - 48
• Modellierung von Grammatiksystemen durch P-Systeme / R. Freund, M. Oswald / Talk: Theorietag Automaten und Formale Sprachen, Caputh bei Potsdam, Germany; 2004-09-27 - 2004-09-30; in: "Workshop Formale Methoden der Linguistik und 14. Theorietag Automaten und Formale Sprachen. Preprint 2/2004, Institut für Informatik, Universität Potsdam, 2004.", S. Bensch, O. Boldt, H. Bordihn, H. Jürgensen (ed.); (2004), 63 - 67
• Cellular Automata and Parallel Array Systems / R. Freund, F. Tafill / Talk: Workshop on Tilings and Cellular Automata (WTCA), Auckland, New Zealand; 2004-12-12; in: "Proceedings of the International Workshop on Tilings and Cellular Automata, 2004", M. Margenstern (ed.); CDMTCS Research Report Series, 253 (2004), 1 - 14
• P-Systeme im sequentiellen Modus / R. Freund / Talk: Theorietag Automaten und Formale Sprachen, Caputh bei Potsdam, Germany; 2004-09-27 - 2004-09-30; in: "Workshop Formale Methoden der Linguistik und 14. Theorietag Automaten und Formale Sprachen. Preprint 2/2004, Institut für Informatik, Universität Potsdam, 2004", S. Bensch, O. Boldt, H. Bordihn, H. Jürgensen (ed.); (2004), 57 - 61
• Modelling Grammar Systems by Tissue P Systems / R. Freund, M. Oswald / Talk: Grammar Systems Week, International Workshop, Budapest; 2004-07-05 - 2004-07-09; in: "Prel. Proc. of Grammar Systems Week 2004, MTA Sztaki, Budapest 2004", E. Csuhaj-Varjú, Gy. Vaszil (ed.); (2004), 162 - 179
• On the Efficiency of P Systems with Active Membranes and Two Polarizations. / A. Alhazov, R. Freund / Talk: Workshop on Membrane Computing, Milano, Italy; 2004-06-14 - 2004-06-16; in: " Pre-proceedings of the Fifth Workshop on Membrane Computing, Milano - Italy, June 2004 (WMC5)", G. Mauri, Gh. Paun, C. Zandron (ed.); (2004), 81 - 94
• Asynchronous P Systems / R. Freund / Talk: Workshop on Membrane Computing, Milano, Italy (invited); 2004-06-14 - 2004-06-16; in: " Pre-proceedings of the Fifth Workshop on Membrane Computing, Milano - Italy, June 2004 (WMC5)", G. Mauri, Gh. Paun, C. Zandron (ed.); (2004), 12 - 28

2003

• Complexity of P Automata with Catalysts / R. Freund, M. Oswald / Talk: Annual Meeting of Project MolCoNet, Vienna, Austria; 2003-11-27 - 2003-11-29
• P Systems with Elementary Graph Productions / R. Freund, M. Oswald / Talk: EMCC Spring Meeting, Turku, Finland; 2003-05-15 - 2003-05-17
• A Note on Emergence in Multi-Agent String Processing Systems / R. Freund, J Kelemen, Gh. Paun / Computing and Informatics, 22 (2003), 623 - 637
• Hybrid Modes in Cooperating Distributed Grammar Systems: Combining the t-mode with the Modes <=k and =k / H. Fernau, M Holzer, R. Freund / Theoretical Computer Science, 299 (2003), 633 - 662
• P Systems Without Priorities are Computationally Universal / P. Sosik, R. Freund / in: "Membrane Computing. International Workshop, WMC-CdeA 2002, Curtea de Arges, Romania", R. Freund (ed.); Springer, 2003, ISBN: 3-540-00611-7, 400 - 409
• Membrane Systems with Symport/Antiport: Universality Results / R. Freund, Gh. Paun / in: "Membrane Computing. International Workshop, WMC-CdeA 2002, Curtea de Arges, Romania", Gh. Paun et al. (ed.); Springer, 2003, ISBN: 3-540-00611-7, 270 - 287
• P Systems with Activated/Prohibited Membrane Channels / R. Freund, M. Oswald / in: "Membrane Computing. International Workshop, WMC-CdeA 2002, Curtea de Arges, Romania", Gh. Paun et al. (ed.); Springer, 2003, ISBN: 3-540-00611-7, 261 - 268
• Energy-controlled P systems / R. Freund / in: "Membrane Computing. International Workshop, WMC-CdeA 2002, Curtea de Arges, Romania", Gh. Paun et al. (ed.); issued by: Workshop on Membrane Computing; Springer, LNCS 2597, 2003, ISBN: 3-540-00611-7, 247 - 260
• P Automata with Membrane Channels / M. Oswald, R. Freund / Talk: Intern. Symp. on Artificial Life and Robotics (AROB), Beppu, Oita, Japan; 2003-01-24 - 2003-01-26; in: "Proc of the Eigth Intl. Symp. on Artificial Life and Robotics (AROB 8th '03)", (2003), ISBN: 4-9900462-3-4; 275 - 278
• P Automaten und &omega;-P Automaten / R. Freund, M. Oswald, L. Staiger / Talk: Theorietag Automaten und Formale Sprachen, Herrsching bei München, Deutschland; 2003-09-29 - 2003-10-02; in: "Proc. 13. Theorietag "Automaten und Formale Sprachen" ", (2003), 35 - 47
• &omega;-P automata with Communication Rules / R. Freund, M. Oswald, L. Staiger / Talk: Workshop on Membrane Computing, Tarragona, Spain; 2003-07-17 - 2003-07-22; in: "Preproceedings of the Workshop on Membrane Computing", (2003), 252 - 265
• P systems with cutting/recombination rules assigned to membranes / F. Freund, R. Freund, M. Margenstern, M. Oswald / Talk: Workshop on Membrane Computing, Tarragona, Spain; 2003-07-17 - 2003-07-23; in: "Preproceedings of the Workshop on Membrane Computing", (2003), 241 - 251
• P systems with Conditional Communication Rules Assigned to Membranes / R. Freund, M. Oswald / Talk: Workshop on Membrane Computing, Tarragona; 2003-07-17 - 2003-07-22; in: "Preproceedings of the Workshop on Membrane Computing", (2003), 231 - 240
• Reducing the Number of Catalysts Needed in Computationally Universal Systems without Priorities / R. Freund, M. Oswald, P. Sosik / Talk: International Workshop on Descriptional Complexity of Formal Systems, Budapest, Hungary; 2003-07-12 - 2003-07-14; in: "5th International Workshop on Descriptional Complexity of Formal Systems", (2003), 102 - 113
• On Three Classes Automata-like P Systems / R. Freund, C. Martin-Vide, A. Obtulowicz, Gh. Paun / Talk: International Conference on Developments in Language Theory (DLT), Szeged, Hungary; 2003-07-07 - 2003-07-11; in: "Developments in Language Theory", Springer, LNCS 2710 (2003), ISBN: 3-540-40434-1; 292 - 303

2002

• P automata on finite and infinite words / R. Freund / Talk: Annual Meeting of Project MolCoNet, Budapest; 2002-11-29 - 2002-11-30
• Some comments on P systems with communication / R. Freund / Talk: Workshop on Membrane Computing, Curtea de Arges, Romania; 2002-08-19 - 2002-08-23
• P systems versus register machines: two universality proofs / R. Freund / Talk: Workshop on Membrane Computing, Curtea de Arges, Romania; 2002-08-19 - 2002-08-23
• A Short Note on Analysing P Systems with Antiport Rules / R. Freund, M. Oswald / EATCS Bulletin, 78 (2002), 231 - 236
• GP Systems with Forbidding Context / R. Freund, M. Oswald / Fundamenta Informaticae, 49 (2002), 1-3; 81 - 102
• On some operations on strings suggested by gene assembly in ciliates / R. Freund, C. Martin-Vide, V. Mitrana et al. / New Generation Computing, 20 (2002), 279 - 293
• String Rewriting Sequential P-Systems and Regulated Rewriting / P. Sosik, R. Freund / in: "Developments in Language Theory", issued by: Werner Kuich, Grzegorz Rozenberg, Arto Salomaa; Springer, 2002, ISBN: 3-540-43453-4, 379 - 388
• P-Systeme mit Energiekontrolle / R. Freund / Talk: Theorietag Automaten und Formale Sprachen, Wittenberg; 2002-09-23 - 2002-09-26; in: " Proceedings 12. Theorietag Automaten und Formale Sprachen", (2002), 27 - 28
• Energy-controlled P systems / R. Freund / Talk: Workshop on Membrane Computing, Curtea de Arges, Romania; 2002-08-19 - 2002-08-23; in: "Workshop on Membrane Computing", MolCoNet, (2002), 221 - 236

 

2018

• Analyse, Design und Implementierung von Serious Gaming zur Förderung eines gesunden Lebensstils / Master Thesis by L. Dobler / Supervisor: R. Freund; 192/5, 2018
• Analyse, Design und prototypische Umsetzung einer mobilen Applikation zur Gesundheitsförderung unterstützt durch Wearables / Master Thesis by S. Schlossarek / Supervisor: R. Freund; 192/5, 2018
• Fine-Grained Access Control in an Animal Health Record / Master Thesis by A. Romar / Supervisor: R. Freund; 192/5, 2018

2017

• Entwurf und Entwicklung eines webbasierten Workflow-Systems zur Abbildung von Prozessen der Bildungsmobilität / Master Thesis by M. Özdemir / Supervisor: R. Freund; 185/2, 2017
• Konzeption und Entwicklung einer prototypischen Software-Applikation zur Unterstützung der Qualitätssicherung von patientenbezogener Strahlenbelastung bei digitalen Röntgenaufnahmen / Master Thesis by B. Steyrer / Supervisor: R. Freund; 185/2, 2017
• Rendering Knowledge in Information Security Tangible - State of the Art and Trends in Education / Master Thesis by T. Ackermann / Supervisor: R. Freund; 185/2, 2017

2016

• Design and Evaluation of a Natural Language Processing Based Methodology for Classification and Profiling of Artifacts in Software Evolution / PhD Thesis by A. Mauczka / Supervisor, Reviewer: T. Grechenig, R. Freund; 183-1, 2016
• Evaluierung von Open-Source-Lösungen zur Umsetzung eines Softwaresystems für eine elektronische Registrierkasse / Master Thesis by M. Schmitt / Supervisor: R. Freund; 185-2, 2016
• Design-Empfehlungen für die sichere Übermittlung von Nachrichten auf mobilen Plattformen / Master Thesis by F. Jungwirth / Supervisor: R. Freund; 185-2, 2016
• Sicherheit, Usability und Vertrauen: Der Raum der Nutzerpräferenzen und Entscheidungskriterien bei der Auswahl von mobilen Messaging-Apps / Master Thesis by C. Wöss / Supervisor: R. Freund; 185-2, 2016
• Entwurf eines Infrarot-3D-Scannersystems zur dreidimensionalen bildgebenden Diagnostik / Master Thesis by S. Blumberger / Supervisor: R. Freund; 185-2, 2016
• A Cryptographic Concept for the Secure Storage and Transmission of Medical Images on iOS Devices / Master Thesis by M. Niszl / Supervisor: R. Freund; 185-2, 2016

2015

• Simulation in Metabolic Networks / PhD Thesis by C. Siehs / Supervisor, Reviewer: R. Freund, B. Mayer; 185-2, 2015
• Vorgehensmodelle für die Software-Entwicklung im Game Development: Erarbeitung eines Best Practice-Konzepts / Master Thesis by R. Alani / Supervisor: R. Freund; 185-2, 2015
• Konzeption eines KIS für ein Iranisches Krankenhaus / Master Thesis by D. Nasseri / Supervisor: R. Freund; 185-2, 2015
• Entwicklung einer E-Partizipations-Plattform für Jugendliche innerhalb des sozialen Netzwerk Facebook / Master Thesis by D. Oberhumer / Supervisor: R. Freund; 185-2, 2015
• Development of a M-Health Strategy for the Field of Mechanically Ventilated Patients / Master Thesis by T. Guttenberger / Supervisor: R. Freund; 185-2, 2015
• Analysis and Framework for the Civil Register of an Emergent North-African Country / Master Thesis by S. El Kebir / Supervisor: R. Freund; 185-2, 2015
• Identification and Handling of Typical Implementation Problems of Hospital Information Systems in Large-Scale Hospitals / Master Thesis by T. Wunderer / Supervisor: R. Freund; 185-2, 2015
• "Gehirnmonopole" als Risiko des Wissensmanagements bei wissensgestützten Unternehmen / Master Thesis by M. Banke / Supervisor: R. Freund; 185-2, 2015
• Engineering eines Cockpits für die dynamische und interaktive Visualisierung des Betriebes eines landesweiten NFC-Bezahlsystems / Master Thesis by A. Hengl / Supervisor: R. Freund; 185-2, 2015
• Analyse, Design und prototypische Entwicklung eines Serious Game zur Motivationssteigerung und Erhöhung der körperlichen Aktivität / Master Thesis by D. Binder / Supervisor: R. Freund; 185-2, 2015
• Erarbeitung eines strukturierten Vorgehensmodells zur organischen Evolution von IT Startups / Master Thesis by S. Grabher / Supervisor: R. Freund; 185-2, 2015
• Konzipierung und prototypische Implementierung eines Continuous Integration Systems zur Steigerung der Softwarequalität im heterogenen Umfeld der Herstellung von mikroprozessorgesteuerten Prothesen / Master Thesis by L. Lechner / Supervisor: R. Freund; E185/2, 2015
• Vorgehensmodelle für die Software-Entwicklung im Game Development: Erarbeitung eines Best Practice-Konzepts / Master Thesis by A. Komarek / Supervisor: R. Freund, R. Vallon; E185/2, 2015

2014

• Evaluierung und Optimierung eines Studiensystems zur objektiven Bewertung von Hautrötungen im Umfeld klinischer Studien am Beispiel einer Medikamentenstudie im Bereich der Brustkrebstherapie / Master Thesis by M. Ratzinger / Supervisor: R. Freund; 185-2, 2014
• Analyse der Navigation und Steuerung von 3D-Bewegungen via Brain-Computer-Interface / Master Thesis by C. Lachner / Supervisor: R. Freund; 185-2, 2014
• Analyse, Evaluierung und prototypische Entwicklung einer Online-Plattform für den normierten Leistungsvergleich im Laufsport / Master Thesis by R. Nourzad / Supervisor: R. Freund; 185-2, 2014
• Measuring Personality Types in Software Project Teams / Master Thesis by A. Aigner / Supervisor: R. Freund; 185-2, 2014
• Analyse, Konzeption und prototypische Entwicklung eines mobilen Serious Game zur Unterstützung des Rehabilitationsprozesses bei Handgelenkverletzungen / Master Thesis by F. Reisecker / Supervisor: R. Freund; 185-2, 2014
• Visualization of Quality of Life on a Digital Urban Map / Master Thesis by P. Benkö / Supervisor: R. Freund; 185-2, 2014
• Prototypical Implementation of an Animal Health Record (AHR) for Livestock Management / Master Thesis by C. Aigner / Supervisor: R. Freund; 185-2, 2014

2013

• owards Differential-Based Continuous Code Reviews / PhD Thesis by M. Bernhart / Supervisor, Reviewer: T. Grechenig, R. Freund; E183/1, 2013; oral examination: 2013-01-23
• Scope and depth efficient testing approach and framework for enhancing the detection of IT security bugs / PhD Thesis by C. Schanes / Supervisor, Reviewer: T. Grechenig, R. Freund; E183/1, 2013; oral examination: 2013-05-06
• Using Mobile Technology for Monitoring Behavior of Self-Injurious Patients: Requirements and Concept System Design / Master Thesis by N. Lederer / Supervisor: R. Freund; E185/2, 2013; final examination: 2013-08-29
• Entwurf und Entwicklung eines mehrdimensionalen vorschlagsbasierten Suchsystems für konsumorientierte E-Markets / Master Thesis by M. Lux / Supervisor: R. Freund; E185/2, 2013; final examination: 2013-08-29
• Der Prozess des Engineerings der Migration von Web2(Native)App / Master Thesis by G. Sabau / Supervisor: R. Freund; E185/2, 2013; final examination: 2013-05-08
• Entwurf und Implementierung eines Protokolls für Einsatz- und Notfalldaten / Master Thesis by C. Preier / Supervisor: R. Freund; E185/2, 2013; final examination: 2013-03-21

2012

• Strukturen und Optionen des Mediums Mobile Phone im sekundären Bildungsbereich / PhD Thesis by G. Schmiedl / Supervisor, Reviewer: T. Grechenig, R. Freund; 183/1, 2012; oral examination: 2012-01-12
• Konzept und Implementierung einer mobilen Applikation zum Zwecke der Wundidentifikation und Wunddokumentation / Master Thesis by D. Kontner / Supervisor: R. Freund; E185/2, 2012
• Entwurf und Entwicklung eines mobilen Patientendatenerfassungssystems im Rettungsdienst / Master Thesis by M. Schacherl / Supervisor: R. Freund; E185/2, 2012
• Entwurf und Implementierung einer Domain Specific Language zur effektiven Modellierung von Formulardaten im Bereich der medizinischen Dokumentation / Master Thesis by T. Lemmé / Supervisor: R. Freund; E185/2, 2012
• Analyse, Systemdesign und Architekturentwurf einer elektronischen Gesundheitsakte für Nutztiere / Master Thesis by A. Füresz / Supervisor: R. Freund; E185/2, 2012
• Analyse, Optimierung und Training eines Testprozesses innerhalb einer e-Health Produktlinie / Master Thesis by A. Mündler / Supervisor: R. Freund; 185/2, 2012

2011

• Konzept, Entwicklung und Schulungsmaßnahmen einer Echtzeitansteuerung von Software durch mobile Geräte / Master Thesis by C. Hammer / Supervisor: R. Freund; 185/2, 2011
• Education of emergency personnel for the adoption of an electronic triage tag framework / Master Thesis by E. Srndic / Supervisor: R. Freund; 185/2, 2011
• Requirementsanalyse und Prototyp einer klinischen Plattform zur aktiven Patientenpartizipation / Master Thesis by M. Eder / Supervisor: R. Freund; 185/2, 2011
• Methoden zur Akzeptanzsteigerung eines Informationssystems im Gesundheitswesen durch Evaluierung und Umsetzung von Usability- und Medienkonzepten anhand eines Fallbeispiels / Master Thesis by B. Lindenbauer / Supervisor: R. Freund; 185/2, 2011
• Erhebung und Analyse der Anforderungen an einen Animal Health Record (AHR) für Kleintiere / Master Thesis by V. Willner / Supervisor: R. Freund; 185/2, 2011
• Methoden zur Integration eines Software Fehlerbogens in ein Testerteam / Master Thesis by C. Eggbauer / Supervisor: R. Freund; 185/2, 2011

2010

• Schulung und Untersuchung der Benutzerakzeptanz eines webbasierten Workflow-Management-Systems / Master Thesis by A. Reitter / Supervisor: R. Freund; 185/2, 2010
• Diskrepanz zwischen Ballungszentren und ländlicher Bevölkerung im Hinblick auf den praktischen Einsatz einer elektronischen Gesundheitsakte / Master Thesis by S. Schinkinger / Supervisor: R. Freund; 185/2, 2010

2009

• Der Einsatz von Virtualisierungstechnologien zur Bereitstellung fachdidaktischer Anwendungen für Betriebssysteme / Master Thesis by D. Steffen / Supervisor: R. Freund; 185/2, 2009
• Didaktik in Schulungen / Master Thesis by D. Pollak / Supervisor: R. Freund, M. Weissenböck; Institut für Computersprachen u. E184-1, 2009

2008

• Grundlagen und Anwendungsfallanalyse einer patientengeführten elektronischen Gesundheitsakte / Master Thesis by C. Pruckermayr / Supervisor: R. Freund; 185/2, 2008

2006

• Wege der Kommunikationsoptimierung. Anwendung von NLP im Bereich der Künstlichen Intelligenz. Verbesserung von zielgerichtetem Sprechverhalten durch adäquate Vokabularauswahl - Repräsentationssysteme und deren Anwendung auf Gesprächssimulation / Master Thesis by G. Kellner / Supervisor: P. Rössler, R. Freund; Universität Wien, 2006

2003

• P Automata / PhD Thesis by M. Oswald / Supervisor, Reviewer: R. Freund; Institut für Computersprachen, 185, 2003