Seminars and Talks 10:00 - 11:00, December 4, 2019 (Wednesday) R440, Astronomy-Mathematics Building, NTU Multidimensional Persistence Diagrams via (co)Sheaf Theory--homology and Cohomology 11:00 - 12:30, December 4, 2019 (Wednesday) R638, Astronomy-Mathematics Building, NTU Langlands Program and Manifestations of Shtukas