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STEENROD OPERATIONS ON THE DE RHAM COHOMOLOGY OF ALGEBRAIC STACKS
Journal of the Institute of Mathematics of Jussieu ( IF 0.9 ) Pub Date : 2021-05-04 , DOI: 10.1017/s1474748021000177
Federico Scavia

Building upon work of Epstein, May and Drury, we define and investigate the mod p Steenrod operations on the de Rham cohomology of smooth algebraic stacks over a field of characteristic $p>0$ . We then compute the action of the operations on the de Rham cohomology of classifying stacks for finite groups, connected reductive groups for which p is not a torsion prime and (special) orthogonal groups when $p=2$ .



中文翻译:

代数栈的 DE RHAM 同调上的 STEENROD 运算

在 Epstein、May 和 Drury 的工作基础上,我们定义并研究了特征$p>0$ 域上光滑代数栈的 de Rham 上同调的 mod p Steenrod 运算。然后,我们计算对有限群、 p不是扭转素数的连接还原群和 $p=2$ 时的(特殊)正交群的分类堆栈的 de Rham 上同调操作的作用。

更新日期:2021-05-04
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