The mod 2 cohomology rings of the alternating subgroups of the Coxeter groups of Type B

L Guerra, S Jana - arXiv preprint arXiv:2312.12346, 2023 - arxiv.org
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 …