Courses and Lecture Series 2026-03-04, 2026-03-11, 2026-03-18, 2026-03-25, 2026-04-01, 2026-04-08 Room 509, Cosmology Building, NTU (臺灣大學次震宇宙館 509研討室) Matrix Factorizations and the Singularity Category Cailan Li