"入門：モックテータ関数とムーンシャイン" (Introduction to Mock Theta Functions and Moonshine), 早稲田整数論セミナー, 2022.12.9 [スライド]
"3-manifolds and quantum modular forms", AMS spring western virtual sectional meeting special session `q-series, number theory, and quantum topology', 2022.5
"モックモジュラー形式と量子モジュラー形式", 東北大学理学部数学科談話会, 2021.6.28
"Quantum invariants, q-series, DAHA", Number Theory, Strings, and Quantum Physics, 2021.6.3
"モックテータ関数", 新春特別講義「ラマヌジャンと宇宙」, 2021.1.10
"DAHA and skein algebra on surfaces", Quiver Hecke Algebra and Its Application to Topology, 2019.7.
"On Kauffman bracket skein algebra and DAHA", Volume Conjecture in Tokyo, University of Tokyo, 2018.08.24
"Quantum invariants for knots/3-manifolds and modular forms", Trends in Modular Forms, NIMS, Daejeon, Korea, 2017.12.19
"Quantum modular forms I, II", Indefinite Theta Functions and Applications in Physics & Geometry, Hamilton Mathematics Institute, Trinity College Dublin, Ireland, 2017.06.08 & 06.09
"q-series and quantum invariants", Frontiers in Mathematical Physics, Rikkyo University, Tokyo, 2017.01.06
"Quantum modular form from knots and 3-manifolds", Number Theory and Physics, Institut Henri Poincaré, Paris, France, 2016.05.23
"ラマヌジャンの最後の手紙" (Ramanujan's Last Letter), extension lecture, Kyushu University, Fukuoka, 2015.07.26 [in Japanese]
"Quantum modular form from torus knots", Low-Dimensional Topology and Number Theory, MFO, Germany, 2014.08.22
"(mock) modular form and quantum invariant", Mock Modular Forms and Physics: Black Holes, Moonshine, and Conformal Field Theory, The Institute of Mathematical Sciences, Chennai, India, 2014.04.15
"Quantum modular form and quantum invariant", Modular functions and Quadratic forms -- number theoretic delights, Nakanoshima Center, Osaka University, 2013.12.23
"Hyperbolic Geometry and Dilogarithm", Infinite Analysis 13 Autumn School `Quantum Dilogarithm, Modular Double, and Representation Theory', Osaka City University, 2013.11.20-22 (3 talks)
"Moonshine and N=2/4 Superconformal Algebra", Mock Modular Forms, Moonshine, and String Theory, Simons Center for Geometry and Physics, USA, 2013.08.28
"Mock Theta Functions and Moonshine", Lectures on q-series and Modular Forms, Korean Institute for Advanced Study, Korea, 2013.07.24--25 (3 talks)
"Cluster Algebra and Complex Volume", Intelligence of Low-Dimensional Topology, RIMS, Kyoto, 2013.05.24 [RIMS Kokyuroku 1866, 120--134 (2013)] [proceedings]
"On the Complex Volume of Knots", Bethe Ansatz, Quantum Groups and Beyond, RIMS, Kyoto, 2013.03.09
"Cluster Algebra and Complex Volume of 2-Bridge Knots", Facets of Integrability: Random Patterns, Stochastic Processes, Hydrodynamics, Gauge Theories and Condensed Matter Systems, Simons Center for Geometry and Physics, USA, 2013.01.25
"Decomposition of Elliptic Genera in terms of Superconformal Characters", Low-Dimensional Topology and Number Theory, MFO, Germany, 2012.08.31
"Superconformal Algebra, Mock Theta Functions, and Moonshine", Hypergeometric Series and their Generalizations in Algebra, Geometry, Number Theory and Physics, Institut Henri Poincaré, France, 2012.05.29.
"Moonshine from Character Decompositions of Elliptic Genera", Workshop on Modular Forms, Kyushu University, Fukuoka, 2012.05.07.
"Mock Theta Function and Mathieu Moonshine", 6th Fukuoka Symposium on Number Theory, Kyushu University, Fukuoka, 2011.08.23. [proceedings]
"Volume Conjecture and Quantum Dilogarithm Function", Simons Summer Workshop in Mathematics and Physics `Integrable Structures and Low-Dimensional Geometries', Simons Center for Geometry and Physics, USA, 2011.08.12.
"Character Decomposition of Elliptic Genus", Workshop on Mathieu Moonshine, ETH Zurich, Switzerland, 2011.07.09.
"Ramanujan Mock Theta Function and Mathieu Moonshine", Kyushu University, Fukuoka, 2011.06.08
"Superconformal Algebras, Mock Theta Functions, and Mathieu Moonshine", Low Dimensional Topology and Number Theory III, Kyushu University, Fukuoka, 2011.03.15
"Mock Theta Functions and Applications to Elliptic Genus", Elliptic Genus of K3 Surfaces and the Mathieu Group M24, Nagoya University, 2011.02.15
"Asymptotics of Quantum Invariants", Low-Dimensional Topology and Number Theory, MFO, Germany, 2010.08.20
"Superconformal Algebras and the Entropy of HyperKähler Manifolds", Prospects in q-eries and Modular Forms, University College Dublin, Ireland, 2010.07.14
"The WRT Invariants and Modular Forms", Chern-Simons Gauge Theory: 20 Years After, Max Planck Institute for Mathematics, Bonn, Germany, 2009.08
"Superconformal Algebras and Mock Theta Functions", Mock Theta Functions and Applications in Combinatorics, Algebraic Geometry, and Mathematical Physics, Max Planck Institute for Mathematics, Bonn, Germany, 2009.05
"Around the Volume Conjecture", Quantum Discrete Integrable Systems, Newton Institute, Cambridge, UK, 2009.03