%0 Journal Article
%T Essential cohomology for elementary abelian p-groups
%A Fatma Altunbulak Aksu
%A David J. Green
%J Mathematics
%D 2008
%I arXiv
%R 10.1016/j.jpaa.2009.04.016
%X For an odd prime p the cohomology ring of an elementary abelian p-group is polynomial tensor exterior. We show that the ideal of essential classes is the Steenrod closure of the class generating the top exterior power. As a module over the polynomial algebra, the essential ideal is free on the set of Mui invariants.
%U http://arxiv.org/abs/0809.4425v1