## Life in characteristic p (and how to escape it)

Remy van Dobben de Bruyn

Veblen Research Instructor, School of Mathematics

October 2, 2019

Remy van Dobben de Bruyn

Veblen Research Instructor, School of Mathematics

October 2, 2019

Hong Wang

Member, School of Mathematics

October 2, 2019

Shay Moran

Visitor, School of Mathematics

October 2, 2019

Jan Vonk

Member, School of Mathematics

October 2, 2019

Vladimir Drinfeld

The University of Chicago; Visiting Professor, School of Mathematics

October 3, 2019

The stacky approach was originated by Bhatt and Lurie. (But the possible mistakes in my talk are mine.)

Let X be a scheme over F_p. Many years ago Grothendieck and Berthelot defined the notion of crystal on X; moreover, they defined the notion of crystalline cohomology of a crystal.

Jonathan Niles-Weed

Member, School of Mathematics

October 4, 2019

Fan Wei

Member, School of Mathematics

October 4, 2019

Zhiyuan Zhang

Member, School of Mathematics

October 4, 2019

Yaoyu Zhang

Member, School of Mathematics

October 4, 2019

Zhengyi Zhou

Member, School of Mathematics

October 4, 2019