Seminars and Talks 10:00 - 11:30, December 26, 2025 (Friday) R440, Astronomy-Mathematics Building, NTU Student Seminar on Functional Analysis 10:30 - 12:30, December 26, 2025 (Friday) Room 505, Cosmology Building, National Taiwan University + Cisco WebEx, Physical+Online Seminar Multiple Time Scale Dynamics