WEIL COHOMOLOGY IN PRACTICE
These are lecture notes from a course given by Kiran Kedlaya at UC San Diego in fall 2019 on the topic "Weil cohomology in practice" Thanks to the following students in the course for compiling the original draft of the notes: Samir Canning, Mingjie Chen, Patrick Girardet, Thomas Grubb, Jacob Keller, Bochao Kong, Woonam Lim, Zeyu Liu, Alex Mathers, Baiming Qiao, Nandagopal Ramachandran, Sankeerth Rao, Peter Wear, Wei Yin. I am currently revising these notes for broader distribution. What you see here represents the portion of the course that I have edited so far. I have also included the problem sets that were issued (sporadically) during the course, as well as some supplemental exercises added in the revision process. There are many excellent expositions about different parts of this material, some of which I surely do not yet know about. Suggestions for additional readings would be greatly appreciated. Last revision: 1 Apr 2020.