Videos of lectures of Kawahigashi

• Anyons, tensor networks and operator algebras, The Mittag-Leffler Institute (Sweden), 2025. (My video is at the second from the bottom in the list below.)
• Operator algebras and conformal field theory, Perimeter Institute (Canada), 2024.
• Quantum 6j-symbold and α-induction, Beijing Institute of Mathematical Sciences and Applications (China), 2024.
• Flatness of alpha-induced bi-unitary connections and commutativity of Frobenius algebras, Simons Laufer Mathematical Sciences Institute (U.S.A.), 2024.
• Operator algebras, tensor categories and tensor networks, International Congress on Basic Science, Beijing Institute of Mathematical Sciences and Applications (China), 2024.
• Operator algebras, bi-unitary connections and tensor networks, Beijing Institute of Mathematical Sciences and Applications (China), 2024. (another list on YouTube)
• Bi-unitary connections, modular tensor categories and alpha-induction, Banff International Research Station (Canada), 2023.
• Two-dimensional topological order and operator algebras, International Centre for Mathematical Sciences (U.K.), 2023.
• Mathematics for topological quantum computers (in Japanese)C"Present and Future of Topological Devices", Japan Science and Technology Agency, 2023.
• α-induction for bi-unitary connections, Isaac Newton Instiute for Mathematical Sciences (U.K.), 2023.
• α-induction, tensor categories and operator algebras, BIMSA Integrable Systems Seminar (China) [Online], 2023.
• Infinite dimensional matrices and quantum computers (in Japanese), "Mathemaics in the Quantum World", the University of Tokyo, 2022.
• A characterization of a finite-dimensional commuting square producing a subfactor of finite depth (in Japanese), Annual Meeting on Operator Theory/Operator Algebras, Osaka Kyoiku University, 2022.
• Categorical symmetries of anyons and operator algebras (in Japanese), Yukawa Institute for Theoretical Physics, Kyoto University, 2022.
• A characterization of a finite-dimensional commuting square producing a subfactor of finite depth, Harvard University (U.S.A.), 2022.
• Theory of Topological Quantum Computers and Mathematics (in Japanese)C"Present and Future of Topological Science"CJapan Science and Technology Agency, 2021.
• Infinite dimensional mathematics and quantum computers (in Japanese), Public lecture, May Festival, the University of Tokyo, 2021..
• Topological order, tensor networks and subfactors, Harvard University (U.S.A.), 2020
• Topological order, operator algebras and topological quantum field theory, Universidad Nacional Autónoma de México (Mexico), 2020
• Topological order, tensor networks and subfactors, Erwin Schrödinger Institute (Austria), 2020
• Anyons, matrix product operator algebras and subfactors, Simons Center for Geometry and Physics (U.S.A.), 2019.
• The relative Drinfeld commutants and the relative Verlinde formula, Banff International Research Station (Canada), 2018.
• Conformal field theory, vertex operator algebras and operator algebras, International Congress of Mathematicians 2018, Rio de Janeiro (Brazil), 2018.
• The relative Drinfeld commutant of a fusion category and alpha-induction, Będlewo (Poland), 2018
• Operator Algebras and Conformal Field Theory (in Japanese), Kyoto University, 2018.
• Subfactors, conformal field theory and modular tensor categories, Casa Matemática Oaxaca (Mexico), 2016
• Subfactors and gapped domain walls between topological phases, Universität Bonn (Germany), 2016
• Interview with Yoshikata Kida (in Japanese), the University of Tokyo, 2015
• Full conformal field theories, tensor categories and subfactors, Banff International Research Station (Canada) 2014.
• Error-correction codes and mathematics (in Japanese), the University of Tokyo, 2011.
• Internet and mathematics of cryptography (in Japanese), the University of Tokyo, 2011.
• Mathematics of efficient communications --- Network coding (in Japanese), the University of Tokyo, 2011.
• Interview with Vaughan Jones, the University of Tokyo, 2009
• Interview with Benoit Collins, the University of Tokyo, 2008
• Braiding and extension of endomorphisms of operator algebras, MSRI (U.S.A.), 2000

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