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SUMMARY:Logic and Philosophy of Science Group Talk (Eric Pacuit\, Maryland)
DESCRIPTION:The Logic and Philosophy of Science Group is pleased to welcome guest speaker Eric Pacuit\, an associate professor in the Department of Philosophy at the University of Maryland. Dr. Pacuit did his graduate work at the City University of New York Graduate Center\, and was a postdoctoral researcher at the Institute for Logic\, Language and Computation at the University of Amsterdam and in the Departments of Philosophy and Computer Science at Stanford University. He holds primary research interests in logic (especially modal logic)\, game theory\, social choice theory\, and formal and social epistemology. His research has been funded by the Natural Science Foundation and a Vidi Grant from the Dutch Science Foundation (NWO). \nJoin the meeting: \nhttps://utoronto.zoom.us/j/87363946280 \nMeeting ID: 873 6394 6280\nPasscode: 821612 \nTalk Title\nAxioms for Defeat in Variable-Candidate and Variable-Voter Elections \nTalk Abstract\n\nThis talk will discuss axioms concerning when one candidate should defeat another in a democratic election involving two or more candidates. In a recent paper\, we proposed a weakening of Kenneth Arrow’s famous condition of the Independence of Irrelevant Alternatives (IIA)\, called Coherent IIA. We showed that five well-known axioms  of voting  plus Coherent IIA single out a voting procedure studied in other  recent work called Split Cycle. The main objective of this talk is to explain how Split Cycle escapes Arrow’s Impossibility Theorem and related impossibility results. This work is part of a larger project focused on identifying voting methods that respond reasonably to the addition of new candidates and new voters to an election: If a voting method selects candidate $x$ as a winner\, then $x$ should not become a loser by the addition of a new candidate to whom $x$ is majority preferred or the addition of a new voter who ranks $x$ in first place. We are interested both in characterizing voting methods that satisfy this and related principles and using computer simulations to assess the frequency and severity of violations to this principle for different voting methods. \nThis is joint work with Wes Holliday. \n\nAbout the Logic and Philosophy of Science Group\nOne of five departmental Research Interest Groups\, the Logic and Philosophy of Science Group hosts talks on logic\, general philosophy of science\, and philosophy of the particular sciences\, as well as talks in allied areas such as formal epistemology\, decision theory\, and the metaphysics of science.
URL:https://philosophy.utoronto.ca/event/logic-science-talk-eric-pacuit-maryland/
LOCATION:Online
CATEGORIES:Graduate,St. George
ATTACH;FMTTYPE=image/jpeg:https://philosophy.utoronto.ca/wp-content/uploads/Eric-Pacuit-utoronto-philosophy-guest.jpg
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