# Talks

## Upcoming talks

October 29, 2021 - “Splitting Cycles, Breaking Ties” at UC Irvine, Logic and Philosophy of Science Colloquium (Zoom)

December 7, 2021 - “Stable Voting,” Online Social Choice Seminar, https://sites.google.com/view/2021onlinescwseminars

January 7, 2022 - “An approach to generalizing some impossibility theorems in social choice” at the special session on The Mathematics of Decisions, Elections, and Games at the Joint Mathematics Meeting, Seattle, WA

August 22-25, 2022 - Keynote Lecture at Advances in Modal Logic 2022, Rennes, France.

TBD - TBA at the Colloquium Logicum (CL 2020), University of Konstanz, Germany

## Talks since 2013

October 16-18, 2021 - “Logical Perspectives on Voting” at LORI-VIII, Xi’an, China

October 8, 2021 - “Splitting Cycles, Breaking Ties” at Carnegie Mellon University, Philosophy Colloquium (Zoom)

June 15, 2021 - “Recent Work on Higher-Order Epistemic Reasoning,” LOGOS online workshop on issues in epistemology and epistemic logic, University of Barcelona

June 12, 2021 - “Toward choice-free Esakia duality,” BLAST 2021, University of New Mexico (Zoom)

June 7, 2021 - “Adventures Beyond Possible Worlds” at Logical Perspectives 2021, Steklov Mathematical Institute, Moscow (Zoom)

May 20, 2021 - “Logics of Imprecise, Comparative, and Regular Probability” in the Milano Logic Group Seminar (Zoom), University of Milan

March 15, 2021 - “Logics of Imprecise Comparative Probability” in the Logic Online Seminar of the Steklov Mathematical Institute, Moscow.

February 2, 2021 - “The Split Cycle Voting Method” in the Online Social Choice Seminar (Zoom).

October 30, 2020 - “Possibilities for Provability” at the Logic Webinar, Department of Mathematics and Statistics, IIT Kanpur

June 26, 2020 - “From choice-free Stone duality to choice-free model theory?” at the Algebra|Coalgebra Seminar (Zoom), ILLC, University of Amsterdam

June 4, 2020 - “Possibility Semantics” at the Munich Center for Mathematical Philosophy (Zoom)

May 28, 2020 - “Extensions of choice-free Stone duality” at the Logic Colloquium (Zoom), Department of Mathematics, Southern Illinois University

March 7-8, 2020 - “Escaping Arrow’s Theorem” at the TEAM Conference, Princeton University

January 17-18, 2020 - “Axiomatizing Reasoning about Sets: Cardinality, Mereology, and Decisiveness,” at the ASL Winter Meeting (with Joint Mathematics Meetings), Denver

December 6, 2019 - “Possibility Semantics” at the Philosophy Colloquium, University of Maryland, College Park

November 20, 2019 - “Split Cycle: A New Method of Voting” at the Logic Seminar, Stanford University

October 15, 2019 - “Axiomatizing Reasoning about Sets: Cardinality, Mereology, and Decisiveness,” at the Logic Colloquium, Peking University, China

October 12, 2019 - “Possibility Semantics” at the International Conference on Modality, Logic and Philosophy, Peking University, China

June 19, 2019 - “Possibility Semantics,” plenary talk at Topology, Algebra, and Categories in Logic (TACL) 2019, Nice, France

January 25, 2019 - “Inquisitive Intuitionistic Logic: An Application of Nuclear Semantics,” invited talk at SYSMICS 2019, University of Amsterdam

October 19, 2018 - “Another Problem in Possible World Semantics” at the UC San Diego Philosophy Colloquium

August 6-10, 2018 - “Choice-free Stone duality,” plentary talk at BLAST 2018, University of Denver

July 25, 2018 - “A Semantic Hierarchy for Intuitionistic Logic with Connections to Inquisitive Logic” at the Workshop on Inquisitive Logic, University of Amsterdam

July 5, 2018 - “A Semantic Hierarchy for Intuitionistic Logic’’ at the International Workshop on Topological Methods in Logic VI, Ilia State University, Georgia

July 3, 2018 - “Choice-free Stone duality’’ at the International Workshop on Topological Methods in Logic VI, Ilia State University, Georgia

June 13-14, 2018 - “From Worlds to Possibilities…and Back?” at the Workshop on Philosophical Applications of Modal Logic, University of Oslo

April 21-22, 2018 - “Possibility Semantics: A User’s Guide” at the TEAM Conference, Princeton University

February 21-24, 2018 - “Possibility Semantics” at the Symposium on Truthmaker Semantics, Central APA

July 28, 2017 - “Possibilities for Modal Logic,” Workshop on Modality and Truthmaking, Augsburg, Germany

June 4, 2017 - “A Semantic Hierarchy for Intuitionistic Logic,” 6th CSLI Workshop on Logic, Rationality, and Intelligent Interaction, Stanford University

October 14, 2016 - “A Semantic Hierarchy for Intuitionistic Logic,” UC Irvine Logic and Philosophy of Science Colloquium

May 24, 2016 - “Complete Additivity and Modal Incompleteness,” Stanford University Logic Seminar

May 20, 2016 - “An Introduction to Possibility Semantics,” UC Davis LLEMMMa Group

Nov. 12, 2015 - “Duality Theory for Possibility Frames and Boolean Algebras with Operators,” New Mexico State University

May 30, 2015 - “Possibilities for Modal Logic,” 4th CSLI Workshop on Logic, Rationality, and Intelligent Interaction, Stanford University

April 6, 2015 - “Beyond Worlds,” UT Austin Philosophy Colloquium

April 7, 2015 - “On Possibility Semantics for Modal Logic,” Hans Kamp Seminar in Logic and Language, UT Austin

September 27, 2014 - “From Beth to van Benthem: Possibilities for Intuitionistic, Classical, and Modal Logic,” Workshop on the Future of Logic, Celebration Event in Honour of Johan van Benthem, University of Amsterdam

August 8, 2014 - “Partiality and Adjointness in Modal Logic,” Advances in Modal Logic 2014, University of Groningen

June 19, 2014 - “Knowledge, Time, and Paradox: Introducing Sequential Epistemic Logic,” LogiCIC mini-workshop on The Dynamics of Information States, ILLC, Amsterdam

May 20, 2014 - “Knowledge, Fallibility, and Probability,” Keynote at the Eleventh London-Berkeley Graduate Conference, Institute of Philosophy, University of London

April 18, 2014 - “The Multipath Picture of Knowledge,” Invited Symposium on Epistemic Logic and Formal Epistemology, 2014 Pacific APA, San Diego

April 12, 2014 - “Partiality and Adjointness in Modal Logic,” Modal Logic Workshop: Consistency and Structure, Center for Formal Epistemology, Carnegie Mellon University

October 14-16, 2013 - “Epistemic Closure and Epistemic Logic,” Logic Across the University: Foundations and Applications, Tsinghua University, Beijing, China

June 13, 2013 - “Logic, Probability, and Epistemic Modality” with Thomas Icard, Nuance Communications, Nuance Silicon Valley NLU Discussion Group (NuSVN)

June 2, 2013 - “Roles, Rigidity, and Quantification in Epistemic Logic” with John Perry, Second CSLI Workshop on Logic, Rationality, and Interaction, CSLI, Stanford University

May 3, 2013 - “Measure Semantics and Qualitative Semantics for Epistemic Modals” with Thomas Icard, 23rd Semantics and Linguistics Theory (SALT) Conference, UC Santa Cruz (abstract)

April 12, 2013 - “Measure Semantics and Qualitative Semantics for Epistemic Modals” with Thomas Icard, Perspectives on Modality, CSLI, Stanford University

March 28, 2013 - Comments on “Analyticity and Ontology” by Louis deRosset, Pacific APA, Colloquium: Ontology I

March 5, 2013 - “Logic, Probability, and Epistemic Modality,” Mathematical Logic Seminar, Stanford University

March 1, 2013 - “Recent Work in Epistemic Logic,” Logic Colloquium, UC Berkeley (slides).

February 22, 2013 - “Mathematizing Mainstream Epistemology,” Logic and Philosophy of Science Colloquium, UC Irvine

February 7, 2013 - “Mathematizing Mainstream Epistemology,” Philosophy Colloquium, Carnegie Mellon University

For past talks, please see my CV.

Updated on 2021-10-18 12:33:52 -0700 by Wesley H. Holliday