__2023 01/17 (Tue.)__: Susumu Shimoura (RIKEN/CNS, U. Tokyo/RCNP, Osaka U.) will give a seminar entitled "Tetra-neutron system studied by RI-beam experiments".__2022 12/13 (Tue.)__: Di-Lun Yang (Academia Sinica) will give a seminar entitled "Chiral effects on lepton transport in core-collapse supernovae".__2022 12/06(Tue.)__: Tomohiro Fujita (Waseda Institute for Advanced Study) will give a seminar entitled "Cosmic Birefringence: how our universe violates left-right symmetry".__2022 11/22 (Tue.)__: Atsushi Hosaka (RCNP, Osaka University) will give a seminar entitled "Tetra and pentaquarks with multi-flavor contents".__2022 11/15 (Tue.)__: Yongjia Huang (RIKEN iTHEMS/U. Sci. Tech. China) will give a seminar entitled "Merger and post-merger of binary neutron stars with a quark-hadron crossover equation of state".__2022 11/10–12 (Tue.–Sat.)__: Masahiro Hotta (Tohoku University) will give a seminar entitled "An Introduction to Quantum Measurement Theory for Physicists".__2022 11/08 (Tue.)__: Shinichiro Akiyama (The University of Tokyo) will give a seminar entitled "Tensor renormalization group approach to quantum fields on a lattice".__2022 10/18 (Tue.)__: Yukimi Goto (Kyushu University/RIKEN iTHEMS) will give a seminar entitled "格子 Nambu-Jona-Lasino 模型における質量生成とカイラル対称性 (In Japanese)".__2022 10/11 (Tue.)__: Elisa Ferreira (Kavli IPMU) will give a seminar entitled "Ultra-Light Axion Dark Matter: Bose-Einstein condensates and superfluids in the sky".__2022 07/27 (Wed.)__: Yuko Urakawa (KEK) will give a seminar entitled "Test of the Cosmological principle by observing the primordial gravitational waves".__2022 07/05–06 (Tue.–Wed.)__: Hiroshi Suzuki (Kyushu University gave a lecture entitled "Gradient flow exact renormalization group".__2022 06/22 (Wed.)__: Sotaro Sugishita (Nagoya University) gave a seminar entitled "Dress code for infrared safe S-matrix in QED".__2021 11/02 (Tue.)__: Katsuki Aoki (YITP, Kyoto University) gave a seminar entitled "Is the Standard Model in the Swampland? Consistency Requirements from Gravitational Scattering".__2021 09/13 (Mon.)__: Keisuke Izumi (Nagoya University) gave a seminar entitled "S-matrix Unitarity toward UV completion".__2021 08/16 (Mon.)__: Shunichiro Kinoshita (Chuo University) gave a seminar entitled "Application of AdS/CFT to non-equilibrium phenomena in external electric fields".__2021 07/05 (Mon.)__: Myungbo Shim (Kyung Hee University) gave a seminar entitled "Non-Unitary TQFTs from 3d N=4 Rank-0 SCFTs".__2021 06/29 (Tue.)__: Yuki Fujimoto (Univ. of Tokyo) gave a seminar entitled "Toward QCD-based description of dense baryonic matter".__2021 06/21 (Mon.)__: Kanato Goto (RIKEN iTHEMS) gave a seminar entitled "Black Hole Information Paradox and Wormholes".__2021 04/13 (Tue.)__: Taksu Cheon (Kochi University of Technology) gave iTHEMS math-phys joint seminar entitled "Self-adjoint extension in quantum mechanics and non-Rydberg spectra of one-dimensional hydrogen atom".__2021 02/22 (Mon.)__: Gordon Baym (UIUC/RIKEN iTHEMS) gave a seminar entitled "The Evolution of Primordial Neutrino Helicities under Gravitational and Magnetic Fields and Implications for their Detection".__2021 02/18 (Thur.)__: Masaaki Tokieda (Tohoku University) gave a seminar entitled "Quantum mechanical description of energy dissipation and application to heavy-ion fusion reactions".__2021 02/04 (Thur.)__: Di-Lun Yang (Keio University) gave a seminar entitled "Quantum kinetic theory for chiral and spin transport in relativistic heavy ion collisions and core-collapse supernovae".__2021 01/28 (Thur.)__: Nobutoshi Yasutake (Chiba Institute of Technology/JAEA) gave a seminar entitled "Many body problems from quarks to stellar evolutions".__2020 12/17 (Thur.)__: Takeru Yokota (ISSP, The University of Tokyo) gave a seminar entitled "Classical liquids and functional renormalization group".__2020 12/14 (Mon.)__: Naotaka Kubo (YITP, Kyoto University) gave a seminar entitled "Non-perturbative tests of duality cascades in three-dimensional supersymmetric gauge theories".__2020 12/10 (Thur.)__: Sinya Aoki (YITP, Kyoto University) gave a seminar entitled "Conserved charges in gravity and entropy".__2020 12/03 (Thur.)__: Yusuke Nishida (Tokyo Institute of Technology) gave a seminar entitled "KPZ equation, attractive bosons, and the Efimov effect".__2020 11/12 (Thur.)__: Yuya Tanizaki (YITP, Kyoto University) gave a seminar entitled "Some idea on quantum tunneling via Lefschetz thimbles".__2020 11/10 (Tue.)__: Naoto Shiraishi (Gakushuin university) gave iTHEMS math-phys joint seminar entitled "Mathematics of thermalization in isolated quantum systems".__2020 10/23 (Fri.)__: Masanori Hanada (Univ. of Surrey) gave a seminar entitled "Toward simulating Superstring/M-theory on a Quantum Computer".__2020 10/22 (Thur.)__: Tokuro Fukui (YITP, Kyoto Univ.) gave a seminar entitled "Realistic shell model and chiral three-body force".__2020 10/02 (Fri.)__: Toshihiro Ota (Osaka Univ./RIKEN iTHEMS) gave iTHEMS math-phys joint seminar entitled "TQFT, integrable lattice model, and quiver gauge theories".__2020 8/31 (Mon.) - 9/1 (Tues.)__: Makiko Sasada (The University of Tokyo) and Kenichi Bannai (Keio University) gave a series of iTHEMS math-phys joint seminars entitled "Geometric Perspective for the Theory of Hydrodynamic Limits".__2020 8/21 (Fri.)__: Takuya Shimazaki (The Univ. of Tokyo) gave a seminar entitled ""Lefschetz-thimble inspired analysis of the Dykhne–Davis–Pechukas method and an application for the Schwinger Mechanism".__2020 8/07 (Fri.)__: Hiroyuki Tajima (Kochi Univ.) gave a seminar entitled "Nambu-Goldstone fermion in a Bose-Fermi mixture with an explicitly broken supersymmetry".__2020 7/10 (Fri.)__: Shoichiro Tsutsui (RIKEN QHP) gave a seminar entitled "Complex Langevin study of an attractively interacting two-component Fermi gas in 1D with population imbalance".__2020 6/12 (Fri.)__: Masaru Hongo (UIC/RIKEN iTHEMS) gave a seminar entitled "Field theoretical approach to relativistic hydrodynamics".__2020 5/29 (Fri.)__: Ryusuke Hamazaki (RIKEN) gave a seminar entitled "Localization and universality in non-Hermitian many-body systems".__2020 5/15 (Fri.)__: Kengo Kikuchi (RIKEN iTHEMS) gave a seminar entitled "Gradient Flow and Its Applications".