What is a Witt vector
Time and place
12:30–1:30 PM on Thursday, October 24th, 2024; NAC 6/113
James Borger (Australian National University)
Abstract
Witt vectors are just vectors, but with certain exotic addition and multiplication rules. They are becoming more common with new applications in number theory, but they have a reputation for being mystifying. I'll give a concrete and hopefully transparent introduction to them.