The Hochschild cohomology ring of a modular group algebra: The commutative case

被引:27
|
作者
Holm, T
机构
[1] Otto von Guericke-Universität Magdeburg, Institut für Algebra und Geometrie, D-39016 Magdeburg
关键词
D O I
10.1080/00927879608825682
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
Let k be a field of characteristic p > 0 and let G be a finite abelian group. We determine the structure of the Hochschild cohomology ring of the group algebra kG. Moreover, we prove that for any finite group G the Krull dimension of HH*(kG) equals the p-rank of G.
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页码:1957 / 1969
页数:13
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