Seminars and Talks 14:00 - 15:00, June 23, 2026 (Tuesday) R440, Astronomy-Mathematics Building, NTU Low Regularity Ill-posedness for Elastic Waves and Ideal Compressible MHD System Conferences, Workshops and Special Events June 22 - 26, 2026 PIMS-NCTS workshop in Geometric Analysis June 23, 2026 NCTS Workshop on Probability and its Applications