Takehiko Gappo

Invited talks

(Upcoming) November 3–7, 2025. TBA, XVIII International Workshop in Set Theory, Luminy.
June 25, 2025. Determinacy of games of fixed countable length, The 3rd Berkeley Conference on Inner Model Theory, Berkeley.
February 21, 2025. Exact large cardinal strength of determinacy of games of fixed countable length, Arctic Set Theory Workshop 7, Kilpisjärvi.
October 8, 2024. Higher models of determinacy, PhD Colloquium as part of Colloquium Logicum 2024, Vienna.
June 25, 2024. Determinacy of long games just beyond fixed countable length, Determinacy, Inner Models, and Forcing Axioms, Vienna.
June 1, 2024. Determinacy of long games just beyond fixed countable length, 2nd Wrocław Logic Conference, Wrocław.
September 21, 2023. Chang-type models of determinacy, ÖMG Tagung 2023 Minisymposium in Set Theory, Graz.
June 9, 2023. Chang-type models of determinacy, Logic Colloquium 2023 Special Session in Set Theory, Milan.
September 12, 2022. Determinacy in the Chang model, DMV Annual Meeting 2022 Section in Mathematical Logic, Berlin.

July 8, 2025. Separating Maximality Principles, Logic Colloquium 2025, Vienna.
May 9–11, 2025. Separating Maximality Principles, the Roaming Logic Conference Poster session, Warsaw.
October 10, 2024. Equivalence between mice and long game determinacy, RIMS Set Theory Workshop 2024, Kyoto/online.
April 6-9, 2024. Determinacy of long games just beyond fixed countable length, BLAST 2024, Denton.
October 24, 2023. Chang-type models of determinacy, RIMS Set Theory Workshop 2023, Kyoto/online.
July 27, 2023. Chang-type models of determinacy, Sixth workshop on generalised Baire spaces, Vienna.
July 10 & 12, 2023. Chang models over derived models with supercompact measures, the 2nd Irvine Conference on Inner Model Theory, Irvine.
October 28, 2022. Determinacy in the Chang model, RIMS Set Theory Workshop 2022, Kyoto/online.
July 4, 2022. Determinacy in the Chang model, ESI Set Theory Workshop Poster session, Vienna.
June 29, 2022. Determinacy in the Chang model, The 5th Münster conference on inner model theory, Münster.
December 3, 2021. Complexity of set-theoretic universes, Young Logicians' Gathering in Japan 2021, online.
June 11, 2019. Genericity Iterations, The Core Model Induction and Other Inner Model Theoretic Tools, New Brunswick.
October 29, 2017. Gentle introduction to fine structure theory. Young Logicians' Gathering in Japan 2017, Tokyo.

June 3, 2025. Games of fixed countable length. Wrocław Set Theory & Topology Seminar.
November 19, 2024. Maximality, Recurrence, Ground. Wrocław Set Theory & Topology Seminar.
August 8, 2023. Chang-type models of determinacy with supercompact measures, Seminar of the Division of Real Functions, University of Gdańsk.
June 14 & 21, 2023. Divergent models of AD^+, Inner Model Theory Seminar, TU Wien.
June 6, 2023. Determinacy in the Chang model, Informal Seminar Talk, Turin.
May 15 & 22, 2023. Chang models over derived models with supercompact measures, Kobe Set Theory Seminar, online.
May 12, 2023. Chang-type models of determinacy, FG1 Seminar, TU Wien.
April 11 & 18, 2023. Applications of Chang models over derived models, Waseda Set Theory Seminar, online.
January 31, 2023. Determinacy in the Chang model from a hod pair, Core Model Seminar, online.
January 24, 2023. Covering with Chang models over derived models, Core Model Seminar, online.
December 15, 2022, January 12 & January 19, 2023. Iteration trees of length omega, Inner Model Theory Seminar, TU Wien.
December 5, 2022. Determinacy in the Chang model from a hod pair, Rutgers Logic Seminar, New Brunswick.
November 2021, On the derived models of self-iterable universes, Waseda Set Theory Seminar, online.
December 2020, On mice, Nagoya Logic Seminar, online.