Academy of Mathematics and Systems Science, CAS Colloquia & Seminars | Speaker: | Vasudevan Srinivas, Tata Institute of Fundamental Research | Inviter: | | Title: | Algebraic versus topological entropy for surfaces over finite fields | Time & Venue: | 2019.11.20 17:00-18:00 C110 | Abstract: | For an automorphism of an algebraic variety, we consider some properties of eigenvalues of the induced linear transformation on l-adic cohomology, motivated by some results from complex dynamics, related to the notion of entropy. This is a report on joint work with Hélène Esnault, and some subsequent work of K. Shuddhodan. | | | |