News and Events: Conferences

These pages provide information about recent developments at or relevant to the ILLC. Please let us know if you have material that you would like to be added to the news pages, by using the online submission form. For minor updates to existing entries you can also email the news administrators directly. English submissions strongly preferred.

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30 March - 3 April 2009, 10th Midlands Graduate School in the Foundations of Computing Science (MGS 2009), Leicester, U.K.

Date: 30 March - 3 April 2009
Location: Leicester, U.K.

The MGS is an intensive course of lectures on the Foundations of Computing. It is very well established, with this being our 10th anniversary, and has always proved a very popular and successful event. This year we have Professor Peter Dybjer, Chalmers, Sweden, as guest lecturer.

The lectures are aimed at graduate students, typically in their first or second year of study for a PhD. However, the school is open to anyone who is interested in learning more about mathematical computing foundations. We very much welcome international applications as well as from those from the UK.

For further details and registration visit http://www.cs.le.ac.uk/events/mgs2009. All registrations must be received by 2pm on 30th January 2009.

24-27 October 2009, FOCS 2009: Foundations of Computer Science, Atlanta GA, U.S.A.

Date: 24-27 October 2009
Location: Atlanta GA, U.S.A.
Deadline: 2 April 2009

The 50th Annual Symposium on Foundations of Computer Science (FOCS2009), sponsored by the IEEE Computer Society Technical Committee on Mathematical Foundations of Computing, will be held in at the Renaissance Atlanta Hotel Downtown in Atlanta, GA, October 24-27, 2009. Typical but not exclusive topics of interest include: algorithms and data structures, computational complexity, cryptography, computational geometry, computational game theory, algorithmic graph theory and combinatorics, optimization, randomness in computing, parallel and distributed computing, machine learning, applications of logic, algorithmic algebra and coding theory, theoretical aspects of databases, information retrieval, networks, computational biology, robotics, and quantum computing.

For more information, see http://www.cs.yale.edu/focs09 or contact the Local Arrangements Chairs, Milena Mihail and Prasad Tetali, by email to or .

Papers presenting new and original research on theory of computation are sought. Papers that broaden the reach of theory, or raise important problems that can benefit from theoretical investigation and analysis, are encouraged. Submission deadline is . Extended abstract must be received by April 2, 2009.

30 March - 3 April 2009, 10th Midlands Graduate School in the Foundations of Computing Science (MGS 2009), Leicester, U.K.

Date: 30 March - 3 April 2009
Location: Leicester, U.K.

The MGS is an intensive course of lectures on the Foundations of Computing. It is very well established, with this being our 10th anniversary, and has always proved a very popular and successful event. This year we have Professor Peter Dybjer, Chalmers, Sweden, as guest lecturer.

The lectures are aimed at graduate students, typically in their first or second year of study for a PhD. However, the school is open to anyone who is interested in learning more about mathematical computing foundations. We very much welcome international applications as well as from those from the UK.

For further details and registration visit http://www.cs.le.ac.uk/events/mgs2009. All registrations must be received by 2pm on 30th January 2009.

30 March - 3 April 2009, 10th Midlands Graduate School in the Foundations of Computing Science (MGS 2009), Leicester, U.K.

Date: 30 March - 3 April 2009
Location: Leicester, U.K.

The MGS is an intensive course of lectures on the Foundations of Computing. It is very well established, with this being our 10th anniversary, and has always proved a very popular and successful event. This year we have Professor Peter Dybjer, Chalmers, Sweden, as guest lecturer.

The lectures are aimed at graduate students, typically in their first or second year of study for a PhD. However, the school is open to anyone who is interested in learning more about mathematical computing foundations. We very much welcome international applications as well as from those from the UK.

For further details and registration visit http://www.cs.le.ac.uk/events/mgs2009. All registrations must be received by 2pm on 30th January 2009.

3-5 April 2009, Conference on "Foundations of Mathematics", New York NY, U.S.A.

Date: 3-5 April 2009
Location: New York NY, U.S.A.

The philosophy department at New York University will be hosting a conference on the Foundations of Mathematics, in April of 2009. The conference will explore methodological issues surrounding the adoption of new axioms, as well as semantic and metaphysical issues surrounding mathematical truth.

Attendance is open, and there is no registration fee. However, anyone planning to attend must register by emailing no later than February 31st, 2009. The conference website can be found here: http://homepages.nyu.edu/~sjk362/NYU_Conference.html

9-11 September 2009, MATES 2009: 7th German Conference on Multi-Agent Technologies, Hamburg, Germany

Date: 9-11 September 2009
Location: Hamburg, Germany
Deadline: 4 April 2009

The German conference on Multi-Agent System Technologies (MATES) provides an interdisciplinary forum for researchers, users, and developers, to present and discuss latest advances in research work, as well as prototyped or fielded systems of intelligent agents and multi-agent systems.

MATES 2009 will be colocated with the Tenth International Workshop on Computational Logic in Multi-Agent Systems (CLIMA'09) and the Fifth International Workshop on Modeling of Objects, Components, and Agents (MOCA'09). The participants of MATES 2009 will also have full access to the concurrently running programs of these events.

For more information, see http://jadex.informatik.uni-hamburg.de/mates

The Programme Committee cordially invites all researchers to submit their papers for presentation. Submission Deadline: April 4, 2009.

3-5 April 2009, Conference on "Foundations of Mathematics", New York NY, U.S.A.

Date: 3-5 April 2009
Location: New York NY, U.S.A.

The philosophy department at New York University will be hosting a conference on the Foundations of Mathematics, in April of 2009. The conference will explore methodological issues surrounding the adoption of new axioms, as well as semantic and metaphysical issues surrounding mathematical truth.

Attendance is open, and there is no registration fee. However, anyone planning to attend must register by emailing no later than February 31st, 2009. The conference website can be found here: http://homepages.nyu.edu/~sjk362/NYU_Conference.html

3-5 April 2009, Conference on "Foundations of Mathematics", New York NY, U.S.A.

Date: 3-5 April 2009
Location: New York NY, U.S.A.

The philosophy department at New York University will be hosting a conference on the Foundations of Mathematics, in April of 2009. The conference will explore methodological issues surrounding the adoption of new axioms, as well as semantic and metaphysical issues surrounding mathematical truth.

Attendance is open, and there is no registration fee. However, anyone planning to attend must register by emailing no later than February 31st, 2009. The conference website can be found here: http://homepages.nyu.edu/~sjk362/NYU_Conference.html

23-25 July 2009, TIME 2009: Temporal Representation and Reasoning, Brixen, Italy

Date: 23-25 July 2009
Location: Brixen, Italy
Deadline: 6 April 2009

The TIME symposium series is a well-established annual event that brings together researchers from all areas of computer science that involve temporal representation and reasoning. This includes, but is not limited to, artificial intelligence, temporal databases, and the verification of software and hardware systems. In addition to fostering interdisciplinarity, the TIME symposia emphasize bridging the gap between theoretical and applied research.

TIME 2009 encompasses three tracks, but has a single program committee. The conference will span three days, and will be organized as a combination of technical paper presentations, poster sessions, and keynote lectures.

For more information, see http://www.inf.unibz.it/krdb/events/time-2009/

Submissions of high quality papers describing research results or on-going work are solicited. Submitted papers should contain original, previously unpublished content, should be written in English, and must not be simultaneously submitted for publication elsewhere. Deadline for Abstract Submission: April 6.

6-7 April 2009, Symposium on AI and Games (AISB 2009), Edinburgh, Scotland

Date: 6-7 April 2009
Location: Edinburgh, Scotland
Deadline: 19 December 2008

The AISB convention is an annual event organised as a number of collocated symposia loosely organised around a theme, and interspersed with invited plenary talks and poster sessions. This symposium focuses on the application of artificial intelligence or intelligent-like techniques, frameworks and theories to the creation of interactive engaging intelligent games.

For more information, see http://www.aisb.org.uk/convention/aisb09/

6-7 April 2009, Symposium on AI and Games (AISB 2009), Edinburgh, Scotland

Date: 6-7 April 2009
Location: Edinburgh, Scotland
Deadline: 19 December 2008

The AISB convention is an annual event organised as a number of collocated symposia loosely organised around a theme, and interspersed with invited plenary talks and poster sessions. This symposium focuses on the application of artificial intelligence or intelligent-like techniques, frameworks and theories to the creation of interactive engaging intelligent games.

For more information, see http://www.aisb.org.uk/convention/aisb09/

8 April 2009, Annual CSCA symposium 2009

Date & Time: Wednesday 8 April 2009, 15:00-17:00

This symposium marks the start of a new initiative to boost Cognitive Science research at the University of Amsterdam. Following the designation of Cognition as a key research area of the UvA, a small committee of researchers from the CSCA was asked to draw up a proposal to promote collaborative research between groups of different institutes. One of the key elements of the proposal is the establishment of a new institute where researchers from different disciplines will work together on a programme to resolve questions regarding the mechanisms underlying human (and animal) cognition. The new institute will be located near the Spinoza Center for Neuroimaging.

For more information, see here or contact the organisers at

15-18 September 2009, History and Philosophical Foundations of AI, Paderborn, Germany

Date: 15-18 September 2009
Location: Paderborn, Germany
Deadline: 9 April 2009

The philosophically relevant track within the KI-Conference "History and Philosophical Foundations of AI" deals with the history of AI, its philosophical basics and conceptual debates on basic principles.

Relevant topics are Artificial intelligence and limits of computability, Multi-Agent-Systems and action theory, Computational functionalism, Philosophical reasoning and AI, and Phenomenology and artificial subject.

For more information, see http://www.uni-paderborn.de/philosophie/personal/hagengruber/ki09/ or contact Prof. Dr. Ruth Hagengruber at

The Programme Committee cordially invites all researchers to submit their papers for presentation. Submission deadline is Paper submission: April 09, 2009.

28 June 2009, Games for Design, Verification and Synthesis (GASICS 09), Grenoble, France

Date: 28 June 2009
Location: Grenoble, France
Deadline: 10 April 2009

GASICS is an ESF project of the EUROCORES programme LogICCC (Modelling intelligent interaction Logic in the Humanities, Social and Computational sciences ). It studies game theoretic formalizations of interactive computational systems and algorithms for their analysis and synthesis. Our aim is to extend the existing notions of games played on graphs introduced by computer scientists. Currently, most of the games played on graphs are of the sort "two-players zero-sum", we aim to extend them to "multiple-players non-zero-sum", and show the applicability of the new theory to the analysis and synthesis of interactive computational systems.

The aim of this workshop is to bring together researchers working on game-related subjects, and to discuss on various aspects of game theory in the fields where it is applied. The workshop will be composed of two invited talks, together with contributed talks on relevant topics.

For more information, see http://www.lsv.ens-cachan.fr/Events/gasics09/

The Programme Committee cordially invites all researchers to submit their papers for presentation. Submission deadline is 10 April 2009.

16-18 December 2009, 4th Indian Conference on Artificial Intelligence (IICAI-09), Tumkur, Bangalore, India

Date: 16-18 December 2009
Location: Bangalore, India
Deadline: 10 April 2009

The 4th Indian International Conference on Artificial Intelligence (IICAI-09) will be held in Tumkur (near Bangalore), India during December 16-18 2009. The conference consists of paper presentations, special workshops, sessions, invited talks and local tours, etc. and it is one of the biggest AI events in the world.

For more information, see http://www.iiconference.org/

The Programme Committee cordially invites all researchers to submit their papers for presentation. Submission deadline is April 10th, 2009.

1-3 July 2009, 5th Spain, Italy, Netherlands Meeting on Game Theory (SING5), Vrije Universiteit, Amsterdam

Date: 1-3 July 2009
Location: Vrije Universiteit, Amsterdam
Deadline: 13 April 2009

On July 1-3, 2009 the 5th Spain, Italy, Netherlands Meeting on Game Theory (SING5), is going to be held at VU University Amsterdam, The Netherlands.

This meeting is jointly organized by VU University Amsterdam (VU), University of Amsterdam (UvA), Centrum Wiskunde & Informatica (CWI), and the Tinbergen Institute (TI).

For more information, see http://www.feweb.vu.nl/sing5/

Contributions from all over the world are invited and solicited. The meeting is set out to attract specialists with different backgrounds and interests covering all aspects of Game Theory, its applications, and its practice. Abstract submission deadline is April 13, 2009.

14-18 April 2009, 2nd Young Set Theory Workshop, Bellaterra, Spain

Date: 14-18 April 2009
Location: Bellaterra, Spain

The aim of this conference is to bring together PhD students and postdocs in Set Theory in order to learn from leading researchers in the field, hear about the latest research and to discuss research issues in a co-operative environment. Four senior set theorists have been invited to represent a branch of Set Theory and give morning tutorials about their work. The afternoons will be devoted to small group discussion sessions.

The deadline for registration is 28th February 2009. For more information, see http://wwwmath.uni-muenster.de/logik/YS09/

31 July - 5 August 2009, Logic Colloquium 2009, Sofia, Bulgaria

Date: 31 July - 5 August 2009
Location: Sofia, Bulgaria
Deadline: 15 April 2009

The Logic Colloquium is the annual European conference on logic, organised under the auspices of the Association for Symbolic Logic (ASL). It provides a forum for presenting and discussing the new developments in the area of logic. The conference attracts researchers from logic, with an emphasis on mathematical logic, but also including researchers from computer science logic and philosophical logic. In previous years, the Logic Colloquium has been organised in Bern (2008) and Wroclaw (2007).

For more information, see http://lc2009.fmi.uni-sofia.bg/

The Programme Committee cordially invites all researchers to submit contributed papers that have logic research content that lies within the scope of the interests of the ASL. Submission Deadline: 15 April 2009.

14-18 April 2009, 2nd Young Set Theory Workshop, Bellaterra, Spain

Date: 14-18 April 2009
Location: Bellaterra, Spain

The aim of this conference is to bring together PhD students and postdocs in Set Theory in order to learn from leading researchers in the field, hear about the latest research and to discuss research issues in a co-operative environment. Four senior set theorists have been invited to represent a branch of Set Theory and give morning tutorials about their work. The afternoons will be devoted to small group discussion sessions.

The deadline for registration is 28th February 2009. For more information, see http://wwwmath.uni-muenster.de/logik/YS09/

14-18 April 2009, 2nd Young Set Theory Workshop, Bellaterra, Spain

Date: 14-18 April 2009
Location: Bellaterra, Spain

The aim of this conference is to bring together PhD students and postdocs in Set Theory in order to learn from leading researchers in the field, hear about the latest research and to discuss research issues in a co-operative environment. Four senior set theorists have been invited to represent a branch of Set Theory and give morning tutorials about their work. The afternoons will be devoted to small group discussion sessions.

The deadline for registration is 28th February 2009. For more information, see http://wwwmath.uni-muenster.de/logik/YS09/

16-18 April 2009, Semantics and Philosophy in Europe (SPE), London, UK

Date: 16-18 April 2009
Location: London, UK
Deadline: 12 February 2009

The purpose of the colloquium is to enhance the dialogue between linguists and philosophers and to provide a new forum for presenting research in the interface between linguistic semantics and the various related areas of philosophy (philosophy of language, epistemology, metaphysics, philosophy of mathematics, and philosophy of mind). The colloquium is to take place every year, alternating between Paris, London, St Andrews, Barcelona and Oslo: this is the second colloquium.

For more information, see http://www.philosophy.sas.ac.uk/spe_cfp.php

14-16 September 2009, Ninth International Conference on Intelligent Virtual Agents (IVA'09), Amsterdam, The Netherlands

Date: 14-16 September 2009
Location: Amsterdam, The Netherlands
Deadline: 17 April 2009

Intelligent virtual agents (IVAs) are interactive characters that exhibit human-like qualities and communicate with humans or each other using natural human modalities such as speech and gesture. They are capable of real-time perception, cognition and action that allow them to participate in a dynamic social environment.

IVA'09 is an interdisciplinary annual conference and the main forum for presenting research on modeling, developing and evaluating intelligent virtual agents with a focus on communicative abilities and social behavior. In addition to presentations on theoretical issues, the conference encourages the showcasing of working applications. Researchers from the fields of human-human and human-robot interaction are also welcome to share work which has a bearing on intelligent virtual agents. IVA'09 particularly encourages submissions on this year's special topic of games.

IVA'09 will be co-located in Amsterdam with the complementary Affective Computing & Intelligent Interaction International Conference (ACII'09, http://www.acii2009.nl/), held 10-12 September 2009.

For more information, see http://iva09.dfki.de

The Programme Committee cordially invites all researchers to submit their papers for presentation. Submission deadline is 17 April, 2009.

14-18 April 2009, 2nd Young Set Theory Workshop, Bellaterra, Spain

Date: 14-18 April 2009
Location: Bellaterra, Spain

The aim of this conference is to bring together PhD students and postdocs in Set Theory in order to learn from leading researchers in the field, hear about the latest research and to discuss research issues in a co-operative environment. Four senior set theorists have been invited to represent a branch of Set Theory and give morning tutorials about their work. The afternoons will be devoted to small group discussion sessions.

The deadline for registration is 28th February 2009. For more information, see http://wwwmath.uni-muenster.de/logik/YS09/

16-18 April 2009, Semantics and Philosophy in Europe (SPE), London, UK

Date: 16-18 April 2009
Location: London, UK
Deadline: 12 February 2009

The purpose of the colloquium is to enhance the dialogue between linguists and philosophers and to provide a new forum for presenting research in the interface between linguistic semantics and the various related areas of philosophy (philosophy of language, epistemology, metaphysics, philosophy of mathematics, and philosophy of mind). The colloquium is to take place every year, alternating between Paris, London, St Andrews, Barcelona and Oslo: this is the second colloquium.

For more information, see http://www.philosophy.sas.ac.uk/spe_cfp.php

14-18 April 2009, 2nd Young Set Theory Workshop, Bellaterra, Spain

Date: 14-18 April 2009
Location: Bellaterra, Spain

The aim of this conference is to bring together PhD students and postdocs in Set Theory in order to learn from leading researchers in the field, hear about the latest research and to discuss research issues in a co-operative environment. Four senior set theorists have been invited to represent a branch of Set Theory and give morning tutorials about their work. The afternoons will be devoted to small group discussion sessions.

The deadline for registration is 28th February 2009. For more information, see http://wwwmath.uni-muenster.de/logik/YS09/

16-18 April 2009, Semantics and Philosophy in Europe (SPE), London, UK

Date: 16-18 April 2009
Location: London, UK
Deadline: 12 February 2009

The purpose of the colloquium is to enhance the dialogue between linguists and philosophers and to provide a new forum for presenting research in the interface between linguistic semantics and the various related areas of philosophy (philosophy of language, epistemology, metaphysics, philosophy of mathematics, and philosophy of mind). The colloquium is to take place every year, alternating between Paris, London, St Andrews, Barcelona and Oslo: this is the second colloquium.

For more information, see http://www.philosophy.sas.ac.uk/spe_cfp.php

23-24 April 2009, Symposium on Games, Argumentation and Logic Programming, Luxembourg

Date: 23-24 April 2009
Location: Luxembourg
Costs: Free

The symposium brings together leading researchers working at the interface of the three disciplines: game theory, logic programming, and argumentation theory. Inspired by Dung's seminal work "On the Acceptability of Arguments and its Fundamental Role in Non-monotonic Reasoning, Logic Programming and N-persons games" (Artificial Intelligence, 1995), it aims at fostering the interaction between these active but historically autonomous subareas of nonmonotonic and practical reasoning.

The symposium is organized by the Individual and Collective Reasoning Group of the University of Luxembourg. Registration is free but required. More info: http://eqas.gforge.uni.lu/Galp/galp.html

23-24 April 2009, Wallis: Logic and 17th-century Scientific Thought, Amsterdam, the Netherlands

Date: 23-24 April 2009
Location: Amsterdam, the Netherlands

Ten speakers will discuss the status of logic and its position within the intellectual context of the seventeenth century, taking as a starting-point a logic textbook written by John Wallis (1616-1703), founder member of the Royal Society and a prominent mathematician, linguist and musicologist. Topics of discussion include the views of the value of logic held by Hobbes, Locke, Arnauld and Leibniz, as well as the relations between logic and grammar, between logic and mathematics, and between logic and science.

An international symposium, organized by the Wallis Project, Oxford, in collaboration with ILLC, Amsterdam. For more information, see https://www.illc.uva.nl/Wallis/

24-28 August 2009, Mal'tsev Centenary Meeting (Conference on Algebra, Mathematical Logic and Applications), Novosibirsk, Russia

Date: 24-28 August 2009
Location: Novosibirsk, Russia
Deadline: 24 April 2009

This conference is dedicated to the 100th anniversary of Anatolii Ivanovich Mal'tsev (1909-1967). The topics of the conference include group theory, ring theory, universal algebra, mathematical logic, computability theory, theoretical computer science, and related areas of mathematics.

For more information, see http://www.math.nsc.ru/conference/malmeet/09/ or contact the organisers by e-mail at .

The Programme Committee cordially invites all researchers to submit their papers for presentation. Deadline for submission of abstracts is April 24, 2009

23-24 April 2009, Symposium on Games, Argumentation and Logic Programming, Luxembourg

Date: 23-24 April 2009
Location: Luxembourg
Costs: Free

The symposium brings together leading researchers working at the interface of the three disciplines: game theory, logic programming, and argumentation theory. Inspired by Dung's seminal work "On the Acceptability of Arguments and its Fundamental Role in Non-monotonic Reasoning, Logic Programming and N-persons games" (Artificial Intelligence, 1995), it aims at fostering the interaction between these active but historically autonomous subareas of nonmonotonic and practical reasoning.

The symposium is organized by the Individual and Collective Reasoning Group of the University of Luxembourg. Registration is free but required. More info: http://eqas.gforge.uni.lu/Galp/galp.html

23-24 April 2009, Wallis: Logic and 17th-century Scientific Thought, Amsterdam, the Netherlands

Date: 23-24 April 2009
Location: Amsterdam, the Netherlands

Ten speakers will discuss the status of logic and its position within the intellectual context of the seventeenth century, taking as a starting-point a logic textbook written by John Wallis (1616-1703), founder member of the Royal Society and a prominent mathematician, linguist and musicologist. Topics of discussion include the views of the value of logic held by Hobbes, Locke, Arnauld and Leibniz, as well as the relations between logic and grammar, between logic and mathematics, and between logic and science.

An international symposium, organized by the Wallis Project, Oxford, in collaboration with ILLC, Amsterdam. For more information, see https://www.illc.uva.nl/Wallis/

24 April 2009, Leve de Wiskunde

Date & Time: Friday 24 April 2009, 10:30-17:00
Location: Turingzaal, Science Park 123, Amsterdam

(Dutch only)
Op vrijdag 24 april organiseert het Korteweg-de Vries Instituut van de UvA voor de zevende keer het congres Leve de Wiskunde! Vooraanstaande wetenschappers zullen u op de hoogte brengen van de recente ontwikkelingen in en rondom de wiskunde.

Voor meer informatie en aanmelden, zie http://www.science.uva.nl/actueel/Agenda.cfm/E34AF2FD-1321-B0BE-A460B1E1E02AED47

1-4 September 2009, Trends in Logic VII: Trends in the Philosophy of Mathematics, Frankfurt, Germany

Date: 1-4 September 2009
Location: Frankfurt, Germany
Deadline: 26 April 2009

Trends in Logic is the conference series of Studia Logica. This year's conference will focus entirely on the philosophy of mathematics. We have invited scholars who pursue the subject at the currently most advanced level. In addition, we invite papers that contribute to and try to advance current debates in the field.

For more information, see http://web.uni-frankfurt.de/trends

Submission Deadline: April 26, 2009

27-29 August 2009, Philosophical Aspects of Symbolic Reasoning in Early Modern Science and Mathematics (PASR), Ghent, Belgium

Date: 27-29 August 2009
Location: Ghent, Belgium
Deadline: 30 April 2009

This conference brings together scholars working on philosophy of science, history of philosophy and history of science and/or mathematics. The topic is the role of symbolic representations in the development of modern science and mathematics from the end of the sixteenth century throughout the seventeenth century.

For more information, see http://www.pasr.ugent.be/

The Programme Committee cordially invites all researchers to submit their papers for presentation. Following some requests, the deadline for submission of abstracts has been extended until April 30th.

9-15 August 2009, 32nd International Wittgenstein Symposium, Kirchberg am Wechsel, Austria

Date: 9-15 August 2009
Location: Kirchberg am Wechsel, Austria
Deadline: 30 April 2009

The general theme of the 32nd International Wittgenstein Symposium will be "Language and World", with sections focusing on Wittgenstein, Theories of the Linguistic Sign, Language and Action, Language and Consciousness, Language and Metaphysics, and Reality and Construction. There will be two workshops, on "Wittgenstein and the Literary" and "Wittgenstein's Nachlass "

For more information, see http://www.alws.at/index.php/wittgenstein/symposium_aktuell/

The Programme Committee cordially invites all researchers to submit their papers for presentation. Submission deadline is 30 April 2009.