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Crossed Products of p-Groups and Green′s Indecomposability Theorem

✍ Scribed by A. Betsch; P. Schmid


Publisher
Elsevier Science
Year
1994
Tongue
English
Weight
346 KB
Volume
168
Category
Article
ISSN
0021-8693

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✍ Ergün Yalçin 📂 Article 📅 2001 🏛 Elsevier Science 🌐 English ⚖ 150 KB

We define a group theoretical invariant, denoted by s G , as a solution of a certain set covering problem and show that it is closely related to chl(G), the cohomology length of a p-group G. By studying s G we improve the known upper bounds for the cohomology length of a p-group and determine chl(G)