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Currently displaying 1 – 3 of 3

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A note on consecutive ones in a binary matrix.

Noui, Lemnouar — 2007

APPS. Applied Sciences

Properties of subgroups not containing their centralizers

Lemnouar Noui — 2009

Annales mathématiques Blaise Pascal

In this paper, we give a generalization of Baer Theorem on the injective property of divisible abelian groups. As consequences of the obtained result we find a sufficient condition for a group $G$ to express as semi-direct product of a divisible subgroup $D$ and some subgroup $H$ . We also apply the main Theorem to the $p$ -groups with center of index $p^{2}$ , for some prime $p$ . For these groups we compute $N_{c} (G)$ the number of conjugacy classes and $N_{a}$ the number of abelian maximal subgroups and $N_{n a}$ the number of nonabelian...

Formes multilinéaires alternées

Lemnouar Noui; Philippe Revoy — 1994

Annales mathématiques Blaise Pascal

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