## Arithmetic Geometry and Number Theory RTG Seminar: Remarks on the cotangent complex and the Nygaard filtration

Seminar | March 11 | 3-5 p.m. | 748 Evans Hall

Luc Illusie, Université Paris-Sud

Department of Mathematics

(1) De Rham-Witt: review and prospects. (2) Remarks on the cotangent complex and the Nygaard filtration. I'll discuss some well known relations between the cotangent complex, liftings mod $p^2$, and the de Rham-Witt complex.

events@math.berkeley.edu