Proceedings of the American Mathematical Society

Author(s): Pham Anh Minh
Journal: Proc. Amer. Math. Soc. 131 (2003), 363-368.
MSC (2000): Primary 20J06; Secondary 20D15, 55R40
Posted: June 3, 2002
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Abstract: Let

be an odd prime number. The purpose of this paper is to provide a

-group $\mathcal{G}$ whose mod-

cohomology ring has a nilpotent element $\xi \in H^{*}(\mathcal{G})$ satisfying $\xi ^{p}\ne 0$ .

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