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Documents authored by Schwarzentruber, François

Document
DOI: 10.4230/LIPIcs.FSTTCS.2022.31
Dependency Matrices for Multiplayer Strategic Dependencies

Authors: Dylan Bellier, Sophie Pinchinat, and François Schwarzentruber

Published in: LIPIcs, Volume 250, 42nd IARCS Annual Conference on Foundations of Software Technology and Theoretical Computer Science (FSTTCS 2022)

Abstract
In multi-player games, players take their decisions on the basis of their knowledge about what other players have done, or currently do, or even, in some cases, will do. An ability to reason in games with temporal dependencies between players' decisions is a challenging topic, in particular because it involves imperfect information. In this work, we propose a theoretical framework based on dependency matrices that includes many instances of strategic dependencies in multi-player imperfect information games. For our framework to be well-defined, we get inspiration from quantified linear-time logic where each player has to label the timeline with truth values of the propositional variable she owns. We study the problem of the existence of a winning strategy for a coalition of players, show it is undecidable in general, and exhibit an interesting subclass of dependency matrices that makes the problem decidable: the class of perfect-information dependency matrices.
Cite as

Dylan Bellier, Sophie Pinchinat, and François Schwarzentruber. Dependency Matrices for Multiplayer Strategic Dependencies. In 42nd IARCS Annual Conference on Foundations of Software Technology and Theoretical Computer Science (FSTTCS 2022). Leibniz International Proceedings in Informatics (LIPIcs), Volume 250, pp. 31:1-31:21, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2022)

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@InProceedings{bellier_et_al:LIPIcs.FSTTCS.2022.31,
  author =	{Bellier, Dylan and Pinchinat, Sophie and Schwarzentruber, Fran\c{c}ois},
  title =	{{Dependency Matrices for Multiplayer Strategic Dependencies}},
  booktitle =	{42nd IARCS Annual Conference on Foundations of Software Technology and Theoretical Computer Science (FSTTCS 2022)},
  pages =	{31:1--31:21},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-95977-261-7},
  ISSN =	{1868-8969},
  year =	{2022},
  volume =	{250},
  editor =	{Dawar, Anuj and Guruswami, Venkatesan},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.FSTTCS.2022.31},
  URN =		{urn:nbn:de:0030-drops-174230},
  doi =		{10.4230/LIPIcs.FSTTCS.2022.31},
  annote =	{Keywords: Temporal dependency, Delay games, Strategic reasoning, Temporal logic}
}
Document
DOI: 10.4230/DFU.Vol4.12111.33
Normative Reasoning and Consequence

Authors: Jan Broersen, Stephen Cranefield, Yehia Elrakaiby, Dov Gabbay, Davide Grossi, Emiliano Lorini, Xavier Parent, Leendert W. N. van der Torre, Luca Tummolini, Paolo Turrini, and François Schwarzentruber

Published in: Dagstuhl Follow-Ups, Volume 4, Normative Multi-Agent Systems (2013)

Abstract
In this chapter, we first provide a general introduction to the research area methodology and relevance, then we discuss normative reasoning for multiagent systems, and finally we discuss current research challenges. We cover the main issues in modern deontic logic, which is much broader than the traditional modal logic framework of deontic logic, with an emphasis to our in- tended audience. To emphasize this broadness, we typically refer to "deontic logic and normative systems" rather than deontic logic only.
Cite as

Jan Broersen, Stephen Cranefield, Yehia Elrakaiby, Dov Gabbay, Davide Grossi, Emiliano Lorini, Xavier Parent, Leendert W. N. van der Torre, Luca Tummolini, Paolo Turrini, and François Schwarzentruber. Normative Reasoning and Consequence. In Normative Multi-Agent Systems. Dagstuhl Follow-Ups, Volume 4, pp. 33-70, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2013)

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@InCollection{broersen_et_al:DFU.Vol4.12111.33,
  author =	{Broersen, Jan and Cranefield, Stephen and Elrakaiby, Yehia and Gabbay, Dov and Grossi, Davide and Lorini, Emiliano and Parent, Xavier and van der Torre, Leendert W. N. and Tummolini, Luca and Turrini, Paolo and Schwarzentruber, Fran\c{c}ois},
  title =	{{Normative Reasoning and Consequence}},
  booktitle =	{Normative Multi-Agent Systems},
  pages =	{33--70},
  series =	{Dagstuhl Follow-Ups},
  ISBN =	{978-3-939897-51-4},
  ISSN =	{1868-8977},
  year =	{2013},
  volume =	{4},
  editor =	{Andrighetto, Giulia and Governatori, Guido and Noriega, Pablo and van der Torre, Leendert W. N.},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DFU.Vol4.12111.33},
  URN =		{urn:nbn:de:0030-drops-39994},
  doi =		{10.4230/DFU.Vol4.12111.33},
  annote =	{Keywords: Norms, MAS}
}
Document
DOI: 10.4230/DagSemProc.09351.5
Epistemic Games in Modal Logic: Joint Actions, Knowledge and Preferences all together

Authors: Emiliano Lorini, François Schwarzentruber, and Andreas Herzig

Published in: Dagstuhl Seminar Proceedings, Volume 9351, Information processing, rational belief change and social interaction (2009)

Abstract
We present in this work a sound and complete modal logic called EDLA (Epistemic Dynamic Logic of Agency) integrating the concepts of joint action, preference and knowledge and enabling to reason about epistemic games in strategic form. We provide complexity results for EDLA. In the second part of the paper, we study in EDLA the epistemic and rationality conditions of some classical solution concepts like Nash equilibrium and Iterated Deletion of Strictly Dominated Strategies (IDSDS). In the last part of the paper we combine EDLA with Dynamic Epistemic Logic (DEL) in order to model epistemic game dynamics.
Cite as

Emiliano Lorini, François Schwarzentruber, and Andreas Herzig. Epistemic Games in Modal Logic: Joint Actions, Knowledge and Preferences all together. In Information processing, rational belief change and social interaction. Dagstuhl Seminar Proceedings, Volume 9351, pp. 1-20, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2009)

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@InProceedings{lorini_et_al:DagSemProc.09351.5,
  author =	{Lorini, Emiliano and Schwarzentruber, Fran\c{c}ois and Herzig, Andreas},
  title =	{{Epistemic Games in Modal Logic: Joint Actions, Knowledge and Preferences all together}},
  booktitle =	{Information processing, rational belief change and social interaction},
  pages =	{1--20},
  series =	{Dagstuhl Seminar Proceedings (DagSemProc)},
  ISSN =	{1862-4405},
  year =	{2009},
  volume =	{9351},
  editor =	{Giacomo Bonanno and James Delgrande and Hans Rott},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagSemProc.09351.5},
  URN =		{urn:nbn:de:0030-drops-22313},
  doi =		{10.4230/DagSemProc.09351.5},
  annote =	{Keywords: Modal logic, game theory, epistemic games}
}
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