中科院数学与系统科学研究院
数学研究所
代数几何研讨班
报告人: Luc Illusie(Université Paris-Sud)
题 目:Old and new on the de Rham-Witt complex III. Liftings mod p2 and the Nygaard filtration I
时 间:2019.09.18(星期三),11:00-12:00
地 点:数学院南楼N202室
摘 要:I will discuss some open problems arising from this new approach. In the second part, I will revisit liftings mod $p^2$ and decompositions of de Rham complexes ("Deligne-Illusie") in relation with a certain filtration on the de Rham-Witt complex.