ILLC-LIRa March 2018

illc-lira@list.uva.nl

1 participants
4 discussions

Tomorrow LIRa Session with Zeinab Bakhtiari
by LIRa Seminar 21 Mar '18

21 Mar '18

Dear all, Tomorrow we will have our next LIRa session. Speaker: Zeinab Bakhtiari Date and Time: Thursday, March 22nd 2018, 16:00-17:30 Venue: ILLC Seminar Room F1.15, Science Park 107. Title: How does uncertainty about other voters determine a strategic vote? Abstract. In this talk, we discuss a framework for strategic voting when a voter may lack knowledge about the preferences of other voters, or about other voters\' knowledge about her own preference. In this setting, we define notions of manipulation, equilibrium, and dominance, under uncertainty. We provide scenarios wherein the profile of true preferences is the same but the equilibrium profiles are different because the voters have different knowledge about other voters. We also model actions that change such uncertainty about preferences, such as a voter revealing her preference. We show that some forms of manipulation and equilibrium are preserved under such uncertainty updates and others not. We then formalize epistemic voting terminology in a logic. Our aim is to provide the epistemic background for the analysis and design of voting rules that incorporate uncertainty. . Hope to see you there! The LIRa team

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Thursday LIRa Session with Zeinab Bakhtiari
by LIRa Seminar 19 Mar '18

19 Mar '18

Dear all, This Thursday we will have our next LIRa session. Speaker: Zainab Bakhtiari Date and Time: Thursday, March 22nd 2018, 16:00-17:30 Venue: ILLC Seminar Room F1.15, Science Park 107. Title: How does uncertainty about other voters determine a strategic vote? Abstract. In this talk, we discuss a framework for strategic voting when a voter may lack knowledge about the preferences of other voters, or about other voters\' knowledge about her own preference. In this setting, we define notions of manipulation, equilibrium, and dominance, under uncertainty. We provide scenarios wherein the profile of true preferences is the same but the equilibrium profiles are different because the voters have different knowledge about other voters. We also model actions that change such uncertainty about preferences, such as a voter revealing her preference. We show that some forms of manipulation and equilibrium are preserved under such uncertainty updates and others not. We then formalize epistemic voting terminology in a logic. Our aim is to provide the epistemic background for the analysis and design of voting rules that incorporate uncertainty. . Hope to see you there! The LIRa team

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Tomorrow LIRa Session with Martha Lewis
by LIRa Seminar 14 Mar '18

14 Mar '18

Dear all, Tomorrow we will have our next LIRa session. Speaker: Martha Lewis Date and Time: Thursday, March 15th 2018, 16:00-17:30 Venue: ILLC Seminar Room F1.15, Science Park 107. Title: Interacting Conceptual Spaces Abstract: We apply the categorical compositional scheme of (Coecke et al 2010) to conceptual space models of cognition. In order to do this we introduce a new category to describe conceptual spaces. We use this category as a new setting for categorical compositional semantics, emphasizing the convex structure important to conceptual space applications. We show how conceptual spaces for composite types such as adjectives and verbs can be constructed. We illustrate this new model on detailed examples. Hope to see you there! The LIRa team

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Tomorrow LIRa Session with Jan Broersen
by LIRa Seminar 07 Mar '18

07 Mar '18

Dear all, Tomorrow we will have our next LIRa seminar. Speaker: Jan Broersen (Utrecht University) Date and Time: Thursday, March 8th 2018, 16:00-17:30 Venue: ILLC Seminar Room F1.15, Science Park 107. Title: In search for a backward looking interventionist stit semantic. Abstract. In this talk I am interested in coming to a modal logic semantics for backward looking responsibility. I will discuss the so called \'achievement\' stit and try to amend its semantics to take interventions into account. I will discuss the attempt using a puzzle about causal contributions and responsibility in a two agent setting: the dessert example [McLaughlin, 1925]. The work is still in its initial phase and at this point it is not even clear yet if the semantics I aim at admits a proper formal description. Hope to see you there! The LIRa team

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ILLC-LIRa March 2018