Counterexamples to Hochschild-Kostant-Rosenberg in characteristic p

被引:6
|
作者
Antieau, Benjamin [1 ]
Bhatt, Bhargav [2 ]
Mathew, Akhil [3 ]
机构
[1] Northwestern Univ, Dept Math, Evanston, IL 60208 USA
[2] Univ Michigan, Dept Math, Ann Arbor, MI 48109 USA
[3] Univ Chicago, Dept Math, Chicago, IL 60637 USA
基金
美国国家科学基金会;
关键词
13D03; 14F40; 16E40; 19D55; DECOMPOSITION; HOMOLOGY; THEOREM; DEGENERATION; ALGEBRAS;
D O I
10.1017/fms.2021.20
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
We give counterexamples to the degeneration of the Hochschild-Kostant-Rosenberg spectral sequence in characteristic p, both in the untwisted and twisted settings. We also prove that the de Rham-HP and crystalline-TP spectral sequences need not degenerate.
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页数:26
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