LECTURE SERIES ANNOUNCEMENT - "Inclusion-exclusion in topology and (kind(s) of) arithmetic”
The first talk will cover all the prerequisites. The other talks should be accessible to anyone who knows cohomology and has heard of spectral sequences.
3:30 - 4:30 pm, Seminar Hall
A user's guide to (étale) cohomology
Ronno Das
University of Chicago.
27-08-19

---

Abstract

We will give working definitions of cohomology (singular and étale), the Mayer-Vietoris (exact and spectral) sequence and more, starting from combinatorial properties like inclusion-exclusion and point counting.