TU Wien Informatics

Rudolf Freund

Univ.Doz. Dipl.-Ing. Mag.rer.nat. Dr.techn.

Research Focus

Research Areas

  • Infinite Words, Array Grammars, Formal Languages, Graph Grammars, Neural Nets, Molecular Computing, Membrane Computing (P Systems)
Rudolf Freund

Roles

  • Associate Professor
    Theory and Logic, E192-05
  • Curriculum Coordinator
    Bachelor Medical Informatics
  • Curriculum Coordinator
    Master Medical Informatics
  • Faculty Council
    Substitute Member
  • Curriculum Commission for Informatics
    Principal Member
  • Curriculum Commission for Business Informatics
    Substitute Member

Note: Due to the rollout of TU Wien’s new publication database, the list below may be slightly outdated. Once APIs for the new database have been released, everything will be up to date again.

2021

2020

2019

2018

2017

2016

2015

2014

  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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)

2013

2012

2011

2010

2009

2008

2007

2006

2005

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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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

2003

2002

 

Note: Due to the rollout of TU Wien’s new publication database, the list below may be slightly outdated. Once APIs for the new database have been released, everything will be up to date again.

2020

2019

2018

2017

2016

2015

2014

2013

2012

2011

2010

2009

2008

2006

2003

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