Seminars and Talks 14:00 - 15:30, October 30, 2020 (Friday) Room 515, Cosmology Building, NTU Beta-invariant and Fujita-Li’s Valuative Criterion 16:00 - 17:00, October 30, 2020 (Friday) R722, Astronomy-Mathematics Building, NTU Stability on Normal Projective Varieties over Perfect Fields