Talks

For the page of talks in Japanese, click here. 

2024

• Quantum invariants and variants of false theta function, Research Seminar on q-series, Osaka Institute of Technology, 2024 / 03

• Radial limit conjectures for quantum invariants of plumbed manifolds, Mini-Workshop: Plumbings, Spectra, and Resurgence, the California Institute of Technology, 2024 / 03 (slide)

• Various quantum invariants and radial limits of false theta function, RIMS conference "Research on automorphic forms", Kyoto University, 2024 / 1

• False theta functions whose radial limits are quantum invariants, AMS Special Session on Mock Modular forms, Physics, and Applications in 2024 Joint Mathematics Meetings, Moscone Center, 2024 / 1（slide）

2023

• WRT invariants and homological blocks for simple Lie algebras, Tohoku Knots Seminar 2023,  Yamagata University, 2023 /10 (slide (in Japanese))

• Radial limit conjectures of quantum invariants, Conference for Young Number Theorists in Bonn, The Max Planck Institute for Mathematics, 2023 / 9 (slide)

• Quantum invariants of 3-manifolds,false theta functions and special values of L-functions, The 22nd Hiroshima Sendai Number Theory Meeting, Hiroshima University, 2023 / 7 (slide)

• A relation between quantum invariants of 3-manifolds and false theta functions, Number Theory Seminar, Kyoto University, 2023 / 7

• Quantum invariants of 3-manifolds and limits of false theta functions, Tohoku University Number Theory Seminar, 2023 / 06

• A relation between quantum invariants and related techniques, Quantum Mathematics Research Seminar, University of Southern Denmark, 2023 / 05

• A proof of a conjecture by Gukov-Pei-Putrov-Vafa for quantum invariants of 3-manifolds, Kyushu University Algebra Seminar, Kyushu University, 2023 / 4

• Quantum modularity of quantum invariants and related techniques, iTHEMS Math Seminar, RIKEN, 2023 / 4 

• A proof of a conjecture by Gukov-Pei-Putrov-Vafa, Gauge Fields in Arithmetic, Topology & Physics, Edinburgh University, 2023 / 3

• An asymptotic expansion for the Eisenstein series of weight 1 and confluent hypergeometric series, Sendai Hypergeometric Workshop, Tohoku University, 2023 / 1

2022

• Quantum invariants and asymptotic expansion of false theta functions associated to 3-dimensional manifold, Tsuda University Number Thoery Workshop 2022, Tsuda University (talk online), 2022 / 11

• On quantum modular forms, The 14th Fukuoka Number Theory Conference, Kyushu University, 2022 / 8 (Presentation materials (in Japanese)）

• Quantum invariants of plumbed homology spheres and asymptotic expansions of false theta functions, Kyushu University Algebra Seminar, Kyushu University, 2022 / 6

• Quantum invariants of plumbed homology spheres and false theta functions, Keio University Algebra Seminar, Keio Univesity (online), 2022 / 5 (Presentation materials (in Japanese))

• An introduction to quantum modular forms,  Tohoku University Number Theory Seminar, Tohoku University (online), 2022 / 5 (Presentation materials (in Japanese))

• Extended-cycle integrals of modular functions for badly approximable numbers, Workshop "Number Theory and Ergodic Theory," Kanazawa University (online), 2022 / 2

• Quantum modularity of quantum invariants of non-Seifert manifolds, RIMS conference "Automorphic form, automorphic L-functions and related topics", Kyoto University (online), 2022 / 1, (Presentation materials)

• Quantum modular forms for non-Seifert manifolds, The 1st Sendai Automorphic Forms Meeting 2022, Tohoku University (online), 2022 / 1 (Presentation materials (in Japanese)）

• Quantum invariants, false theta functions, and quantum modular forms for non-Seifert manifolds, Number Theory Seminar at WASEDA University, Waseda University (online) 2021 / 1 (Presentation materials (in Japanese)) 

• Extended-cycle integrals of modular functions for badly approximable numbers, Tohoku University Algebra Seminar, Tohoku University (online), 2022 / 1 (Presentation materials (in Japanese))

2021

• Relations of quantum invariants of non-Seifert manifolds and its quantum modularity, Friday Tea Time Zoom Seminar, online, 2021 / 12 (Presentation materials (in Japanese)) (joint talk with Akihito Mori (Tohoku University))

• Extended-cycle integrals of the j-function for badly approximable numbers, The 20th Hiroshima Sendai Number Theory Meeting, Hiroshima University (online), 2021 / 07 (Presentation materials (in Japanese))

• Extended-cycle integrals of the j-function for badly approximable numbers, International Seminar on Automorphic Forms, online, 2021 / 06

• On the article by R. Menares, "Correspondences in Arakelov geometry and applications to the case of Hecke operators on modular curves," Manuscripta Mathematica 136 (2011), 501-543,  Tohoku University Number Theory Seminar, Tohoku University (online), 2021 / 06 (Presentation materials (in Japanese) )

2020

• Hurwitz-Eichler type relation of Hurwitz class number with level and modular correspondences, KANT2020S on Zoom, Kyushu University (held online), 2020 / 08（Presentation materials (in Japanese)）

• Continuity of the values of j-function at real quadratic points and continued fractions, The 13th Young Mathematicians Conference  on Zeta Functions, University of Toyama, 2020 / 02

2019

• Intersection numbers of modular correspondences, RIMS conference "Automorphic forms, automorphic representations and related topics", Kyoto University, 2019 / 01

• Continuity of the values of j-function at real quadratic points and its extension, RIMS Workshop  Algebraic Number Theory and Related Topics, Kyoto University, 2019 / 12

• Intersection numbers of modular correspondences and class number formula, Tohoku University Number Theory Seminar, Tohoku University, 2019 / 11

• The Continuity of values of j-function at real quadratic points, Kyushu University Algebra Seminar, Kyushu University, 2019 / 07

• A generalization of Kaneko conjecture for  the values of j-function at real quadratic points, Tohoku University Number Theory Seminar, Tohoku University, 2019 / 7

2018

• Intersection numbers of modular correspondences, Number Theory Seminar at WASEDA University, Waseda University, 2018 / 11

• Method of Drawing Crease Pattern of Kamiya Pattern and Its Variations, The 7th International Meeting on Origami in Science, Mathematics and Education, University of Oxford, 2018 / 09

• Intersection numbers of modular correspondences, Number Theory Seminar, Kyoto University, 2018 / 07

• Intersection numbers of modular correspondences, The 17th Sendai Hiroshima Number Theory Meeting, Tohoku University, 2018 / 07

• Intersection numbers of modular correspondences, Tokyo Institute of Technology Number Theory Seminar, Tokyo Institute of Technology, 2018 / 06

• Intersection numbers of modular correspondences, Tohoku University Number Theory Seminar, Tohoku University, 2018 / 05

2016

• From Kamaya patterns to skeletons, The 21st Meeting of Origami Science, Math, and Education, Origami house JOAS hall, 2016 / 12

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