The mod 2 cohomology rings of the alternating subgroups of the Coxeter groups of Type B
Abstract
We show that the direct sum of the cohomology groups of the alternating subgroups of the family of Coxeter groups of Type B exhibits an almost-Hopf ring structure. We apply techniques developed by Giusti and Sinha to fully compute a presentation of this structure for mod 2 coefficient.
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