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arXiv 1811.02439math.RTmath.GRmath.OA
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群代数的导子与Hochschild上同调

Derivations of Group Algebras and Hochschild cohomology

A. S. Mishchenko

摘要:

在适当假设上同调群的支撑有限的条件下,霍赫希尔德同调和上同调群可以用群的伴随作用的广群的分类空间的同调和上同调来描述.同调与上同调的区别导致了对D. J. Benson(1995),(1991).

英文摘要:

The Hochschild homology and cohomology group can be described in terms of the homology and cohomology of the classifying space of the groupoid of the adjoint action of the group under the suitable assumption of the finiteness of the supports of cohomology groups. The difference between homology and cohomology leads to a correction of the results in the book by D. J. Benson (1995),(1991).

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