Talks
2024
March, On root systems and Borel super-subgroups of algebraic supergroups, "Hiroshima-Okayama algebra seminar", Hiroshima University
February, On representations of split quasireductive supergroups, "International Conference "Dualities in Quantum Groups"", Osaka Metropolitan University
2023
September, Representations of algebraic supergroups, "MSJ Autumn Meeting 2023", Tohoku University
August, On cohomologies of algebraic supergroups with odd reflections, "38th Summer Seminar on Lie Algebras", Iwate University
June, On classification of Hopf superalgebras, "The Tenth Congress of Romanian Mathematicians: Hopf algebras, tensor categories and related topics", University of Pitesti (Romania)
May, On root systems of algebraic supergroups, "Shibaura Algebra Seminar", Shibaura Institute of Technology
March, On representation of algebraic (super)groups, "Hiroshima-Okayama algebra seminar", Okayama University
2022
October, On classification of pointed Hopf superalgebras of low dimension, "AMS Sectional Meeting; Special Session on Quantum Groups, Hopf Algebras and Applications: In honor of Professor Earl J. Taft", University of Utah (the USA)
September, Steinberg's tensor product decomposition theorem for algebraic supergroups, "Toyama workshop on quantum groups and related topics", Toayama
September, On classification of pointed Hopf superalgebras of low dimension, "MSJ Autumn Meeting 2022", Hokkaido University
August, On Frobenius kernels of algebraic supergroups, "37th Summer Seminar on Lie Algebras", University of Fukui
April, Affine Kac-Moody Groups as Twisted Loop Groups, "The pursuit of symmetry: A conference in honour of the 80th birthday of Robert V. Moody", on Zoom (The Field Institute)
January, (1) Hopf algebras and symmetric tensor categories (2) Yetter-Drinfeld categories and super symmetries (3) On integrals of algebraic supergroups, "Mini workshop on Lie algebras, Hopf algebras and related topics", University of Toyama
2021
December, A Hopf algebraic approach to algebraic supergroups, "OCAMI Algebra Seminar", on Zoom
September, On Unimodularity of Frobenius Kernels of Algebraic Supergroups, "36th Summer Seminar on Lie Algebras", on Zoom
July, Structure and representation of algebraic supergroups: a Hopf-algebraic approach, "Lie (Super)Theory, Representations and Applications", on Zoom
July, Borel-Weil theorem for algebraic supergroups, "Suita Representation Theory Seminar", on Zoom
2020
December, On integrals of Hopf superalgebras and its applications to quotient group superschemes, "Online Hopf Seminar", on Zoom
February, A Hopf-algebraic study of Quasireductive supergroups, "The 2nd Meeting for Study of Number Theory, Hopf Algebras and Related Topics", University of Toyama
January, On algebraic supergroups and their representations, "Algebra Seminar", University of Southern California (the USA)
2019
September, Typical representations for Chevalley supergroups of type I, "MSJ Autumn Meeting 2019", Kanazawa University
September, Algebraic supergroups and their representations over a field, "International Workshop on Hopf Algebras and Tensor Categories", Nanjing University (China)
August, On irreducibility of induced modules and typical weights for algebraic supergroups, "35th Summer Seminar on Lie Algebras", Hiroshima Institute of Technology
July, On odd reflections and algebraic supergroups, "Tsukuba Workshop on Pure and Applied Mathematics 2019", University of Tsukuba
May, Typical Irreducible Representations for GL(m|n) and Chevalley Supergroups of type I, "Algebraic Lie Theory and Representations Theory (ALTReT) 2019", Shizuoka Pref.
March, Algebraic Supergroups and their Representations, "Hopf-Algebra Conference in Tsukuba 2019", University of Tsukuba
February, On Hopf superalgebras and supergroups, "Meeting of number theory, ring theory. Hopf algebra theory and related topics", Toyama
2018
November, Quasireductive supergroups and their representations, "RIMS Representation Theory Seminar", Kyoto University RIMS
September, On centers of Chevalley supergroups, "MSJ Autumn Meeting 2018", Okayama University
August, On centers of Chevalley supergroups, "34th Summer Seminar on Lie Algebras", University of Toyama
July, On twisted loop groups and twisted affine Kac-Moody groups, "Minami Osaka Seminar", I-site Namba
July, Centralizers in algebraic supergroups, "Tsukuba Workshop on Pure and Applied Mathematics 2018", University of Tsukuba
May, On twisted loop groups and twisted affine Kac-Moody groups, "Special Seminar on Lie algebras", University of Tsukuba
2017
October, On co-representation theory of commutative Hopf superalgebras, "Okayama Seminar on Commutative Algebra and Representations (OSCAR)", Okayama University
September, On twisted algebraic loop groups and affine Kac-Moody groups, "MSJ Autumn Meeting 2017", Yamagata University
August, On twisted Chevalley groups and Kac-Moody groups, "33rd Summer Seminar on Lie Algebras", University of Tsukuba
July, On algebraic loop groups and Kac-Moody theory, Tsukuba Workshop on Pure and Applied Mathematics 2017, University of Tsukuba
June, Affine Kac-Moody groups as central extensions of loop groups, Algebraic Lie Theory and Representation Theory (ALTReT) 2017, Shizuoka Pref.
March, On affine Kac-Moody groups from the viewpoint of Galois descent theory, University of Tsukuba
January, A Hopf-algebraic approach to the study of algebraic supergroups, "AMS Special Session on Hopf algebras and their actions", AMS 2017 Joint Mathematics Meetings in Atlanta (the USA)
2016
June, On the Euler character of algebraic supergroups, "4th Tsukuba Freshman Seminar", University of Tsukuba
May, Algebraic supergroups and their representations, "Seminar Talk", Okayama University of Science
February, An introduction to Hopf algebra and algebraic (super)group, I, II, III, "3rd Workshop on noncommutative Gorenstein algebras and related topics", Tokyo Denki University
2015
November, On the cohomology of algebraic supergroups, "3rd Tsukuba Hopf Seminar", University of Tsukuba
September, Constructions of irreducible supermodules of quasireductive supergroups, "Meeting of Hopf, quantum and super algebras", University of Toyama
September, On irreducible representations of quasireductive supergroups, "MSJ Autumn Meeting 2015", Kyoto Sangyo University
July, On representations of algebraic supergroups over an arbitrary field, "3rd Tsukuba Freshman Seminar", University of Tsukuba
July, A Hopf algebraic approach to construction of irreducible representations of Chevalley supergroups, "2nd Tsukuba Hopf Seminar", University of Tsukuba
March, Steinberg's tensor product theorem for Chevalley supergroups, "20th Conference on Algebra for Young Researchers in Japan", Nagoya University
March, Constructions of Chevalley supergroups via Harish-Chandra pairs and its Modular representations, "Department of Applied Physics Colloquium", University of Fukui
January, Modular representations of Chevalley supergroups, "Algebra and Number Theory Seminar", Louisiana State University (the USA)
2014
October, Existence and properties of integrals for algebraic supergroups, "Tsukuba Workshop on Infinite-Dimensional Lie Theory and Related Topics", University of Tsukuba
September, Integration on algebraic supergroups, "JMS Autumn Meeting 2014", Hiroshima University
July, On Co-Frobenius property of commutative Hopf superalgebras, "2nd Tsukuba Freshman Seminar", University of Tsukuba
March, New examples of hadlebody-TQFTs, "JMS Spring Meeting 2014", Gakushuin University, (Speaker: Kenichi Shimizu)
February, On integrals for algebraic supergroups, "19th Conference on Algebra for Young Researchers in Japan", Shinshu University
2013
November, Affine algebraic supergroups over a PID: Their structure and representation, "Les séminaires math-physique 2013-2014", Université de Bourgogne (France)
July, Algebraic Supergroups over a PID and its applications, "1st Tsukuba Freshman Seminar", University of Tsukuba
June, Algebraic Supergroups over a PID, "16th Workshop on Representation Theory of Algebraic Groups and Quantum Groups (RAQ)", Kanagawa Pref.
February, Algebraic Supergroups over a PID, "Tsukuba Workshop for Young Mathematicians 2013", The Tsukuba Center for Institutes
2012
September, Supergroups over Z, "Hopf algebras and quantum groups - their possible applications", RIMS, Kyoto University
2011
February, On Sato-Mori Translation, "Conference on a classification of PV and its application", International Congress Center