Seminars and Talks 10:00 - 11:00, September 22, 2023 (Friday) Room 509, Cosmology Building, NTU Sharp Transfer of Regularity for the Ornstein-Uhlenbeck Equation 15:30 - 17:00, September 22, 2023 (Friday) Room 515, Cosmology Bldg., National Taiwan University + Zoom, Physical+Online Seminar 【Time Change】Bijective Cremona Transformations of the Plane