Seminars and Talks 16:00 - 17:00, December 30, 2022 (Friday) broadcast in Room 509, Cosmology Bldg., NTU, Online seminar Singular Threefold Families of K3 Surfaces 16:00 - 17:00, December 30, 2022 (Friday) R440, Astronomy-Mathematics Building, NTU Geometric Tamagawa Number Formula Conferences, Workshops and Special Events December 28 - 30, 2022 The 10th(2022) NCTS--POSTECH-PMI Joint Workshop on Number Theory December 30, 2022 2022 NCTS Japan-Taiwan Joint Workshop on Dynamical Systems December 30, 2022 2022 NCTS Workshop on Geometry and Physics