Curriculum vitae of Erzsébet Csuhaj-Varjú

 

Personal

Born: August 15, 1954, Debrecen, Hungary. Citizenship: Hungarian.

Position

Science advisor (research professor), head of a research group

Affiliation and address

Computer and Automation Research Institute,

Hungarian Academy of Sciences

Kende u 13-17, H-1111 Budapest, Hungary

Phone : (+36) (1) 279-6139, Fax: (+36) (1) 4667-503

E-mail : csuhaj@sztaki.hu

URL: http://www.sztaki.hu/~csuhaj

Part-time position

Full professor

Affiliation and address

Department of Algorithms and Their Applications

Faculty of Informatics

Loránd Eötvös University

H-1117 Budapest

Pázmány Péter sétány 1/c.

Languages

High-level English. Fair knowledge of Russian and German. Hungarian (mother tongue).

Titles, Degree, Education

Dr. Habil.,  in informatics, Eötvös Loránd University, Budapest, 2007.

Doctor of the Hungarian Academy of Sciences (D.Sc.), 2003.

Degree Candidate of Mathematical Sciences (Ph. D. equivalent), 1993, Hungarian Scientific Qualification Comittee, Budapest, Hungary.

Degree Doctor Rerum Naturalis in Computer Science, 1980, Lajos Kossuth University of Sciences, Debrecen, Hungary (summa cum laude).

Master's Degree in Mathematics, 1977, Lajos Kossuth University of Sciences, Debrecen, Hungary.

Research Interests

Formal Languages, Multi-Agent Systems, Bio-Computing (Molecular  Computing, Membrane Computing), Natural Language Processing.

Professional experience

Computer and Automation Research Institute, Hungarian Academy of Sciences, Budapest, Hungary, (1979-present).

Head of a research group, Theoretical Computer Science Research Group, (2003-present)

Head of a research group, Research Group on Modelling Multi-Agent Systems, Research Division, (1997- 2003).
(Formal Models of Multi-Agent Systems, Natural Computing, Formal Languages, Natural Language Processing)

Member of a research group, Combinatorial Computer Science Research Group, Research Division, (1991- 1996).
(Formal Models of Multi-Agent Systems, Formal Languages)

Member of a research staff, Network Department, (1987-1990).
(Message Handling Systems, Mathematical Foundations of Distributed Document Processing, Formal Languages)

Researcher and Project Co-ordinator, Secretary of the Consultative Board of Directors, (1984-1986).
(Office Automation, Formal Languages)

Researcher and Software Consultant, Software Department, (1979-1983).
(Systems Programming, Formal Languages)

Lajos Kossuth University of Sciences, Debrecen, Hungary, (1977-1979).

Postgraduate Fellowship Holder, Department of General Linguistics.
(Generative Grammars, Mathematical Models of Natural Languages)

 

Loránd Eötvös University, Budapest, Hungary, (2005, September 1 - present).

 

Full professor, part-time position, Faculty of Informatics, Department of Algorithms and Their Applications (2009, September 1 - present).

 

(Formal languages, multi-agent systems, bio-computing).

 

Science advisor (research professor), part-time position, Faculty of Informatics, Department of Algorithms and Their Applications (2005, September 1 - 2009, August 31).

 

(Formal languages, multi-agent systems, bio-computing).

Research activities

171 publications appeared in international journals and edited volumes, a research monograph (with co-authors), and 13 edited volumes, including 6 special issues of a journal.

International citations above 750.

Numerous oral presentations at European and Hungarian research centers, international workshops and conferences.

Selected recent oral presentations

On the size complexity of non-returning parallel communicating grammar systems. 11th International Workshop on Descriptional Complexity of Formal Systems, DCFS 2009, Magdeburg, Germany,

July 6-9, 2009.

 

P Automata: Concepts, Results and New Aspects. 10th International Workshop on Membrane Computing, WMC10, Curtea de Arges, Romania, August 24-27, 2009.  (invited talk)

 

Competence or Efficiency. Workshop in the Honour of the 75th birthday of Arto Salomaa. University of Turku, Turku, Finland, May 26, 2009.

 

Computational Completeness of Hybrid Networks of Evolutionary Processors with Seven Nodes. 10th International Workshop on Descriptional Complexity of Formal Systems, DCFS 2008, July 16-18, 2008, Charlottetown, Canada.

 

P automata: Membrane systems as acceptors. Computability in Europe 2008, CiE'08, Special Session: Biology and Computation. June 15-20, 2008, University of Athens, Athens, Greece. (invited talk)

 

Power and Size of Hybrid Networks of Evolutionary Processors. Computational Biomodelling Laboratory, Abo Akademi, June 9, 2008, Turku, Finland.

 

On some string-based operations modelling linear self-assembly. Workshop ''Algorithmic Bioprocesses''. December 3-7, 2007, Lorentz Center, Leiden, The Netherlands. (invited talk)

 

P systems with string objects and with communication by request.

Eighth Workshop on Membrane Computing (WMC8), June 25-28, 2007,

Thesszaloniki, Greece.

 

(Self-)assembly of bio-sequences in bio-inspired networks. ESF Workshop ''Automata and formal languages for DNA computing and bio-informatics''. October 18-20, 2006, Como, Italy.

 

Grammar Systems: Power, Size, Universality. Workshop ''Selected Topics in Computer Science''. Satellite Workshop of  ''Theorietag 16: Automaten und Formale Sprachen''. Technological University of Vienna,  September 27, 2006, Vienna, Austria.  (invited talk)

 

 

P colonies with a Bounded Number of Cells and Programs. 7th International Worskhop on Membrane Computing (WMC7), July 17-21, 2006, Leiden, The Netherlands.

 

P automata. University of Metz, Department of Computer Science, October 6, 2005, Metz, France.

 

On the power of P automata. Turku School of Computer Science, September  16, 2005, Turku, Finland.

 

Grammar Systems versus Membrane Computing: EP-colonies.  3rd Brainstorming Week on Membrane Computing, January 31-February 4, 2005, Sevilla, Spain.

 

Grammar Systems versus Membrane Computing: The Case of CD Grammar Systems. Workshop ''Molecular Computing'', Lorentz Center, Leiden University, November 22-26, 2004, Leiden, The Netherlands.

 

On the computational power of P automata. Otto-von-Guericke University of Magdeburg, October 20, 2004, Magdeburg, Germany.

 

On the power of P automata. Technological University of Vienna, October 5, 2004, Vienna, Austria.

 

Reducing the size of extended gemmating P systems. Fifth Workshop on Membrane Computing (WMC5), June 14-16, 2004, Milan, Italy

 

P automata. Fifth Workshop on Membrane Computing (WMC5),

June 14-16, 2004, Milan, Italy. ( invited talk)

 

On the power of P automata. Technological University of Vienna, Vienna, Austria, October 5, 2004.

 

On the computational power of P automata. Department of Computer Science, Otto-von-Guericke University of Magdeburg, Magdeburg, Germany, October 20, 2004.

 

On hybrid networks of evolutionary processors. Turku School of Computer Science, Turku, Finland, September 26, 2003.

 

On gemmating P systems. 2nd Annual MolCoNet Meeting,

Vienna, Austria, November 27, 2003.

 

Descriptional Complexity Issues in Grammar Systems. Descriptional Complexity of Formal Systems. 4th Workshop, August 21-24, 2002, London, Ontario, Canada. (invited tutorial)

Networks of language processors:bio-inspired models of computing. Workshop "Structural questions in neural networks". Computational Neuroscience Group, Research Institute for Particle and Nuclear Physics, Hungarian Academy of Sciences. July 1-3, 2002. (invited speaker)

P-automata. Workshop of the European Molecular Computing Consortium, May 10-11, Metz.

On networks of Watson-Crick D0L systems. Department of Foundations of Computer Science, University of Szeged, March 26, 2002.

On networks of Watson-Crick D0L systems. Institute of Informatics. Silesian University at Opava, Opava, November 26, 2001.

Networks of Watson-Crick D0L systems. Department of Informatics. University of Potsdam, October 15, 2001.

On the number of rules in components of cooperating distributed grammar systems with probabilities. Third International Workshop DCAGRS'2001, Vienna, July 21, 2001.

Pipeline systems. Workshop of the European Molecular Computing Consortium, Madrid, May 11, 2001.

Networks of Watson-Crick D0L systems. Technological University of Madrid, Madrid, May 11, 2001.

Networks of Watson-Crick D0L systems. Masaryk University, Brno, December 18, 2000.

On language-theoretic aspects of Watson-Crick complementarity: models and results. Satellite Worskhop of Theorietag 10, "Molecular Computing, Quantum Computing", September 25-27, 2000. (invited speaker)

Grammar Systems: 12 years, 12 problems. Workshop Grammar Systems 2000, Bad Ischl, July 4-8, 2000. (invited speaker)

Networks of Watson-Crick D0L systems. 3rd International Colloquium on Words, Languages, and Combinatorics. Kyoto, March 14-18, 2000. (invited speaker)

Computing by networks of Watson-Crick D0L systems. Workshop on Algebraic Systems, Formal Languages and Computations. Kyoto, March 21-23.

Parallel Communicating Grammar Systems with Bounded Resources. Turku Centre for Computer Science, Turku, November 24, 1999.

Grammar Systems with Bounded Resources. Workshop "Descriptional Complexity of Automata, Grammars and Related Structures". Magdeburg, July 20-23, 1999. (invited speaker)

Networks of Watson-Crick D0L systems. Symposium "Recent Trends in Discrete Mathematics", Finnish Science Days in Hungary, Budapest, April 20, 1999. (invited speaker)

Watson-Crick Reactive Systems. Turku Centre for Computer Science, Turku, November 27, 1998.

Grammar Systems: A grammatical approach to distribution and cooperation. LIAFA, University Paris VII, Paris, October 21, 1998.

Watson-Crick Reactive Systems. MFCS'98 Satellite Workshop on Molecular Computing, Brno, August 25-26, 1998. (invited speaker)

Networks of Language Processors. MFCS'98 Satellite Workshop on Grammar Systems, Brno, August 22-23, 1998. (invited speaker)

Networks of language processors. A language theoretic framework for locally connected processors arrays. FIFTh IEEE International Workshop on Cellular Neural Networks and Their Applications, London, April 14-17, 1998.

Networks of language processors. Workshop on Formal Languages, Automata and Petri Nets, Stuttgart, January 16-17, 1998.

Non-standard eco-grammar systems. International Workshop on Grammar Systems. Institute of Computer Science, Silesian University, Opava, December 12-13, 1997. (invited speaker)

Recent developments in networks of language processors, Turku Centre for Computer Science, Turku, November 19, 1997.

Networks of language processors: a language theoretical framework for filtering and cooperation. Fifth DELOS Workshop on Filtering and Collaborative Filtering, Budapest, November 10-12, 1997.

Systems of Watson-Crick language processors. Workshop on Molecular Computing, Mangalia, August 17-24, 1997. (invited speaker)

Networks of language processors. Department of Computer Science, University of Leiden, Leiden, February 20, 1997.

Networks of language processors. "Logic, Algebra and Computer Science. Helena Rasiowa in memoriam". Minisemester, Stefan Banach International Mathematical Center, Warsaw, December 12, 1996. (invited speaker)

Eco-language-processor systems. Department of Mathematics, University of Turku, Turku, November 22, 1996.

Networks of language processors. XIIth Congress on Natural an Formal Languages. La Seu D'Urgell, September 23-27, 1996. (invited speaker)

Generalized eco-grammar systems: a framework for natural language generation. XIIthCongress on Natural an Formal Languages. La Seu D'Urgell, Sepetember 23-27, 1996. (invited speaker)

COLONIES: a multi-agent approach to language generation. ECAI'96 Workshop "Extended Finite State Models of Language". Budapest, August 11-16, 1996. (invited speaker)

Impulse-controlled eco-grammar systems. 8th Conference on Automata and Formal Languages (AFL'96), Salgótarján, July 29 - August 2, 1996.

Networks of Language processors. Workshop "Grammar Systems: Recent Results and Perspectives", Budapest, July 26-27, 1996.

Systems of parallel string processors. Department of Mathematics, University of Turku, Turku, October 18, 1995.

Two variants of eco-grammar systems. Institute of Computer Languages, Technical University of Vienna, Vienna, June 7, 1995.

Some variants of eco-grammar systems. Institute of Mathematics, Silesian University, Opava, May 25, 1995.

Artificial Life Models: Developmental Parallel Systems in Formal Language Theory. Workshop "Algorithms and Future Technologies'95" (ALTEC'95), Prague, March 8-11, 1995.

Educational activities

Membership in boards

Member, Doctoral Committee of the Doctoral School in Informatics, Loránd Eötvös University of Sciences, (2001-present).

 

Founding Member, Doctoral School in Informatics, Loránd Eötvös University of Sciences, (2001-present).

External Member, Doctoral School in Informatics, Szeged University, (2001-present).

Professor, International Ph.D School in Formal Languages and Applications, University Rovira i Virgili, Tarragona, Spain.

 

Graduate courses held in "Formal Languages" at universities in Hungary.

Postgraduate courses held in "Grammar Systems" at universities in Hungary and some other European countries.

Supervising Master and Ph. D. theses.

Outstanding students

György Vaszil (Ph.D. 2001, summa cum laude, Loránd Eötvös University of Sciences, Informatics Ph.D. Programme)

Judit Csima (Ph.D, 2002, summa cum laude,  Loránd Eötvös University of Sciences, Informatics Ph.D Programme),

Mária Dolores Jiménez-López (visiting Ph.D. student, 1998-99,Ph.D. (Eurodoctor), 2000, summa cum laude, Rovira i Virgili University, Tarragona, Spain),

Maurice H. ter Beek (visiting M.Sc. student, 1995-1996,  Loránd Eötvös University of Sciences, Alain Bensoussan Postdoctoral Fellowship Holder of the European Research Consortium for Informatics and Mathematics, March-December, 2002)

Selected courses

 

Systems of Language Processors. Eötvös Loránd University, Budapest, Informatics Ph. D. School.

1st semester, 2010/2011. (postgraduate course)

 

Bio-inspired Computation: Membrane Systems. Eötvös Loránd University, Budapest, Informatics Ph. D. School,

1st semester, 2009/2010. (postgraduate course)

 

Systems of Language Processors. Eötvös Loránd University, Budapest, Informatics Ph. D. School.

1st semester, 2009/2010. (postgraduate course)

 

Bio-inspired Computation: Membrane Systems. Loránd Eötvös University, Budapest, Informatics Ph. D. School, 2nd semester, 2007/2008. (postgraduate course)

 

Grammar Systems. 5th International Ph. D. School in Formal Languages and Applications, Tarragona, Spain, June 7-12,  2006. (postgraduate course)

 

Bio-inspired Computation: Membrane Systems.  Loránd Eötvös University, Budapest, Informatics Ph. D. School, 2nd semester, 2005/2006. (joint postgraduate and M.Sc course)

 

Systems of Language Processors. Loránd Eötvös University, Budapest, Informatics Ph. D. School, and Pázmány Péter Catholic University, Budapest, Faculty of Informatics, 1st semester, 2005/2006. (joint postgraduate and graduate course)

 

Grammar Systems. 4th International Ph. D. School in Formal Languages and Applications, Tarragona, Spain, June 14-17, 2005. (postgraduate course)

 

Grammar Systems. 3rd International Ph. D. School in Formal Languages and Applications, Tarragona, Spain, May 13-18, 2004. (postgraduate course)

 

Grammar Systems. 2nd International Ph. D. School in Formal Languages andApplications, Tarragona, Spain, June 4-6, 2003. (postgraduate course)

 

Grammar Systems. 1st International Ph. D. School in Formal Languages and Applications, Tarragona, Spain, October 21-23, 2002 (12 hours). (postgraduate course)

Grammar Systems. Loránd Eötvös University of Sciences, Budapest, Faculty of Natural Sciences, Informatics Ph. D. programme, 2nd semester, 2000/2001. (postgraduate course)

Multi-agent Systems: Selected Topics and Formal Models. Technical University of Wien, Institute of Computer Languages, Wien, Informatics Ph. D. Programme, Winter semester, 1999/2000. (postgraduate course)

Systems of Language Processors, Attila József University of Sciences, Szeged, Informatics Ph. D. Programme, 1st semester, 1999/2000. (postgraduate course)

Systems of Language Processors, Loránd Eötvös University of Sciences, Budapest, Faculty of Natural Sciences, Informatics Ph. D. programme, 2nd semester, 1997/1998. (postgraduate course)

Grammar Systems, University of Pisa, Department of Informatics, 2nd semester, 1997/98. (postgraduate course)

Grammar Systems, Silesian University at Opava, Faculty of Sciences, Institute of Mathematics and Informatics, 1st semester, 1997/98. (graduate course).

Systems of Language Processors, Technical University of Budapest, Neuromorphic Computation Ph. D. programme, 2nd semester, 1996/97. (postgraduate course)

Grammar Systems. Grammar Systems and Metagrammatical Representations, VI. Tarragona Seminar on Formal Syntax and Semantics, Research Group on Mathematical Linguistics and Language Engeineering, Rovira i Virgili University, Tarragona, October 14-18, 1996. (short course)

New Trends in Formal Language Theory, Loránd Eötvös University of Sciences, Budapest, Faculty of Natural Sciences, Informatics Ph. D. programme, 1st semester, 1995/1996. (postgraduate course)

Generative Models of Multi-Agent Systems, Loránd Eötvös University of Sciences, Budapest, Faculty of Natural Sciences, Informatics Ph. D. programme, 2nd semester, 1993/1994. (postgraduate course)

 

Other professional activities

Leader and participant of Hungarian research projects; team leader and participant in European research projects.

Project leadership

Nature-motivated computational models in formal language and automata theory. Hungarian Scientific Research Fund, ’’OTKA”, K 75952, 2008-2012.

Formal Language Theoretic Models in Bio-Molecular Computation. Hungarian-French Interngovernmental S&T Cooperation, TéT, F-19/04, 2005-2006. Hungarian team leader.

Bio-inspired computation: formal language theoretic models. Hungarian Scientific Research Fund "OTKA", T 042529, 2003-2006.

Centre of Excellence in Information Technology, Computer Science and Control, ICA1-CT-2000-70025, HUN-TING project, Workpackage 5.

"MolCoNet" , Thematic Network in Molecular Computing, IST-2001-32008, 2001-2003. Hungarian team leader.

Formal language theoretic models of multi-agent systems. Hungarian-German Interngovernmental S&T Cooperation, TéT, D-35/00, 2000-2002. Hungarian team leader.

Nature-motivated computational models. Hungarian Scientific Research Fund "OTKA", T 029615, 1999-2002.

Computational models of multi-agent systems. Hungarian Scientific Research Fund "OTKA", T 017105, 1995-98.

Project participation

 

INCO-Copernicus ALTEC-KIT, 1997-98. Hungarian site manager: Lajos Rónyai.

Algebraic aspects of automata and formal languages. Hungarian-French Interngovernmental S&T Cooperation, "Programme Balaton", TéT-F-28/96 (OMFB), 1997-98. Hungarian supervisor: Zoltán Ésik.

Computing by trees. Developmental Programme for the Ph. D. Programme in Informatics of the Attila József University of Sciences. Ministry of Education, Hungary, MKM 665/96-97, 1996-98. Supervisor: Zoltán Fülöp.

Formal languages, automata, and Petri nets. Hungarian-German Intergovernmental S&T Cooperation, OMFB-NPI (TéT) 102, 1995-97. Hungarian supervisor: Sándor Horváth.

ALTEC - Algorithms for Future Technologies. EC Cooperative Action IC 1000, 1993-95. Hungarian site manager: Lajos Rónyai.

Formal languages and parallelism: aspects in combinatorics, automata and recursion theory. Hungarian Scientific Research Fund "OTKA" 4295, 1992-95. Supervisor: Pál Dömösi.

Groupware systems. Hungarian Scientific Research Fund "OTKA" 2571, 1991-94. Supervisor: László Csaba.

Regular reviewer for international journals and conferences; opponent of Ph. D. and habilitation theses in Hungary and abroad.

Membership in professional societies

John von Neumann Society for Computing, Hungary,

European Association for Theoretical Computer Science.

IFIP WG. 1.2

Association Computability in Europe

Editorial work

Member, Editorial Board, International Journal of Foundations of Computer Science, World Scientific, (2007 –present)

Local Editor, Bulletin of European Research Consortium for Informatics and Mathematics, ERCIM NEWS, (1995 - present).

Member, Editorial Board, Grammars

Secretary, Editorial Board of Computational Linguistics and Computer Languages, (1980-1984).

Memberships in scientific boards, committees

 Member, Advisory Board, Jury in Mathematics, János Bolyai Research Fellowship, Hungarian Academy of Sciences

(2007-present).

 

Member, Computer Science Committee, Board of the Hungarian Academy of Sciences, (1999-present).

Site Manager, European Molecular Computing Consortium, (2000-present).

Member, College of Physical Sciences, Hungarian Scientific Research Fund, (2006-2009).

 

Representative of the D.Sc. holders in the General Assembly of the Hungarian Academy of Sciences (2004-2007).

Memberships in conference committees

Member, Steering Committee, International Workshop on Descriptional Complexity of Formal Systems.

 Member, Steering Committee, International Conference on Membrane Computing.

Member,  Programme Committee, 11th International Conference on Membrane Computing, CMC11, August 24-27, 2010, Jena, Germany.

 Member, Programme Committee, Fourth Workshop on Membrane Computing and Biologically Inspired process Calculi, MeCBIC 2010, August 23, Jena, Germany.

 Member, Programme Committee, Computability in Europe 2010,  CiE 2010, June 30-July 4, 2010, Ponta Delgada, Portugal.

 Member, Programme Committee, Fourth International Conference on Language and Automata: Theory and Applications, LATA 2010, May 24-28, 2010, Trier, Germany.

Member, Programme Commitee, 10th Workshop on Membrane Computing (WMC 10), August 25-28, 2009, Curtea de Arges, Romania.

Co-Organizer, Special Session ’’Computation in Biological systems”, Computability in Europe 2009 (CiE’09), July 19-24, 2009, Heidelberg, Germany.

Member, Programme Commitee, 11th International Workshop on Descriptional Complexity of Formal Systems (DCFS 2009), July 6-9, 2009, Magdeburg, Germany.

 Member, Programme Committee, 10th International Working Conference on Artificial Neural Networks,  June 10-12, 2009, Salamanca, Spain.

 Member, Programme Committee, Third Workshop on Membrane Computing and Biologically Inspired process Calculi, MeCBIC 2009, September 5, 2009, Bologna, Italy.

Member, Programme Commitee, 3rd International Conference on Algebraic Informatics (CAI 2009), May 19-22, 2009, Thessaloniki, Greece.

Co-chair, Programme Committee, 12th International Conference on Automata and Formal Languages (AFL 2008), May 27-30, 2008, Balatonfüred, Hungary.

Member, Programme Committee, Second International Conference on Language and Automata: Theory and Applications (LATA 2008), March 13-19, 2008, Tarragona, Spain.

Member, Programme Committee, 13th International Conference on Implementation and Application of Automata (CIAA 2008), July 21-24, 2008, San Francisco, USA.

Member, Programme Commitee, 10th International Workshop on Descriptional Complexity of Formal Systems (DCFS 2008), July 16-18, 2008, Charlottetown, Canada.

Member, Programme Committee, Seventh International Conference on Unconventional Computation (UC 2008), August 25-28, 2008, Vienna, Austria.

Co-chair, International Workshop on Computing with Biomolecules. Satellite workshop of UC 2008, August 27, 2008, Vienna, Austria.

Member, Programme Committee, Prague International Workshop on Membrane Computing, June 2, 2008, Prague, Czech Republic.

Member, Programme Committe, Second International Workshop on Formal Languages in Linguistics (ForLing 2008), September 19-20, 2008, Tarragona, Spain.

Co-chair, Programme Committee, 16th International Symposium on Fundamentals of Computation Theory, FCT 2007, August 27-30, 2007, Budapest, Hungary.

 Member, Programme Committee, International Workshop Automata for Cellular and Molecular Computing, ACMC'07, August 31, 2007, Budapest, Hungary.

 Member, Programme Committee, 1st International  Workshop on Non-Classical Formal Languages and Linguistics, FORLING'07, August 31, Budapest, Hungary.

 Member, Programme Committee, Conference ''Machines, Computations and Universality'' (MCU 2007), September 10-13, 2007, Orleans, France.

Member, Programme Committee, 9th International Workshop on Descriptional Complexity of Formal Systems, DCFS 2007, July 20-22, 2007, High Tatras, Slovakia.

 Member, Programme Committee, 12th International Conference on Implementation and Application of Automata, CIAA 2007, July 16-18, 2007, Prague, Czech Republic.

 Member, Programme Committee, Eights Workshop on Membrane Computing, WMC8, June 25-28, 2007, Thessaloniki, Greece.

 Member, Programme Committee, 2nd International Work Conference on the Interplay between Natural and Artificial Computation (IWINAC 2007), June 18-21, 2007, Murcia, Spain.

Member, Programme Committee,  International Conference on Language and Automata: Theory and Applications (LATA 2007), March 29 - April 4, 2007, Tarragona, Spain.

 Member, Scientific Committee, ESF Workshop Automata and formal languages for DNA Computing and bio-informatics. October 18-20, 2006, Como, Italy.

Member, Programme Committee, 11th International Conference on Implementation and Application of Automata, CIAA 2006, August 21-23, 2006, Taipei, Taiwan.

Member, Programme Committee, Seventh Workshop on Membrane Computing, WMC7, July 17-21, 2006, Leiden, The Netherlands.

Member, Programme Committee, Tenth International Conference on Developments of Language Theory, DLT'06, June 26-29, 2006, Santa Barbara, USA.

Member, Programme Committee, 8th Workshop on Descriptional Complexity of Formal Systems, DCFS 2006, June 21-23, 2006. Las Cruses, USA,

Member, Programme Committee, 1st International Workshop on Formal Models (WFM'06), April 25-27, 2006, Prerov, Czech Republic.

Member, Programme Committee, SYNASC Workshop, TAPS: Theory and Application of P systems, September 26-27, 2005, Timisoara, Romania.

Member, Programme Committee, 6th International Worskhop on Membrane Computing, July 18-21, 2005, Vienna, Austria.

Member, Programme Committee, 11th International Conference on Automata and Formal Languages, May 17-20, 2005, Dobogókő, Hungary.

Member, Programme Committee, 7th International Workshop "Descriptional Complexity of Formal Systems", June 30-July 2, 2005, Como, Italy.

Programme Chair, "Grammar Systems Week 2004", International Workshop, July 5-9, 2004, Budapest, Hungary.

Member, Programme Committee, The 5th International Workshop on Emergent Synthesis (IWES'04), May 24-25, 2004, Budapest, Hungary.

Member, Programme Committee, 6th International Workshop "Descriptional Complexity of Formal Systems", July 26-28, 2004, London, Ontario, Canada.

Member, Programme Committee, Conference "`Machines, Computations and Universality"'(MCU 2004), September 21-26, 2004, Saint-Petersburg, Russia.

Co-chair, Programme Committee, 5th International Workshop "DescriptionalComplexity of Formal Systems",  July 12-14, 2003, Budapest.

Organizing chair, Annual meeting of project "MolCoNet", IST-2001-32008, November 29-30, 2002, Budapest.

Organizing chair, Meeting of the European Molecular Computing Consortium, November 30, 2002, Budapest.

Member, Programme Committee, 4th Workshop "Descriptional Complexity of Formal Systems", London, Ontario, August 21-25, 2002.

Member, Programme Committee, Workshop "Descriptional Complexity of Automata, Grammars and Related Structures 2001", Vienna, July 21-23, 2001.

Member, Programme Committee, International Conference "Universal Machines and Computations 2001", Chisinau, Moldavia, 20001.

Member, Programme Committee, Workshop "Descriptional Complexity of Automata, Grammars and Related Structures 2000", London, Ontario, Canada, 2000.

Member, Programme Committee, "International Workshop Grammar Systems 2000", Bad Ischl, Austria, 2000.

Member, Programme Committee, "Formal Languages and Automata", Satellite Workshop of FCT'99, Iasi, 1999.

Member, Programme Committee, Conference "Telecooperation", IFIP World Congress, Budapest-Vienna, 1998.

Member, Programme Committee, "Grammar Systems", Satellite Workshop of MFCS'98, Brno, 1998.

Member, Programme Committee, "Mathematical Linguistics", Satellite Workshop of MFCS'98, Brno, 1998.

Program Chair, Workshop "Grammar Systems: Recent Results and Perspectives", Budapest, 1996.

Member, Programme Committee, International Meeting of Young Computer Scientists, Smolenice, 1986, 1988, 1990, 1992.

Awards

Recipient of the Award of the Computer and Automation Research Institute of the Hungarian Academy of Sciences for outstanding results in computer science (1994, 1998, 2001, 2004, 2008).

Recipient of the "Best Supervisor" Award of the Computer and Automation Research Institute of the Hungarian Academy of Sciences (2000).