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PRODID:-//University of Liverpool Computer Science Seminar System//v2//EN
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DTSTAMP:20260916T004036Z
UID:Seminar-EcCo-558@lxserverM.csc.liv.ac.uk
ORGANIZER:CN=Nicos 	Protopapas:MAILTO:N.Protopapas@liverpool.ac.uk
DTSTART:20171011T130000
DTEND:20171011T140000
SUMMARY:Economics and Computation Series
DESCRIPTION:Piotr Krysta: Reasoning about Causality in Games \n\nCausal reasoning and game-theoretic reasoning are fundamental topics in many disciplines, yet despite this, a formal framework that supports both these forms of reasoning has, until now, been lacking. In this talk, we offer a solution in the form of causal games, which can be seen as extending Pearl’s causal hierarchy to the game-theoretic domain, or as extending Koller and Milch’s multi-agent influence diagrams to the causal domain. In doing so, we show how the (causal) dependencies in strategic decision-making scenarios – either between variables, or between strategies – can be modelled in a uniform, principled manner, and how to generalise conditional, interventional, and counterfactual queries to games. We also briefly sketch some of our earlier game-theoretic results in these models, connections to other formalisms, and possible domains of application. Finally, we will provide an overview of our codebase PyCID, which can be used to implement causal games.\n\nhttps://www.csc.liv.ac.uk/research/seminars/abstract.php?id=558
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