Seminars and Talks 14:00 - 16:00, October 29, 2020 (Thursday) Room 408, College of Science, NUK Decidability for linear cellular automata over Zm^n (III) 16:00 - 17:00, October 29, 2020 (Thursday) Room 515, Cosmology Building, NTU On the Index Theorem for $\mathbb{Z}/2$-graphs