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Nilpotency degree of cohomology rings in characteristic
Authors:Pham Anh Minh
Institution:Department of Mathematics, College of Sciences, University of Hue, Dai hoc Khoa hoc, Hue, Vietnam
Abstract:Let $p$ be an odd prime number. The purpose of this paper is to provide a $p$-group $\mathcal{G}$ whose mod-$p$ cohomology ring has a nilpotent element $\xi \in H^{*}(\mathcal{G})$satisfying $\xi ^{p}\ne 0$.

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