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Homology of subgroups of right-angled Artin groups

arXiv:math/0612748

Abstract

We describe the (co)homology of a certain family of normal subgroups of right-angled Artin groups that contain the commutator subgroup, as modules over the quotient group. We do so in terms of (skew) commutative algebra of squarefree monomial ideals.

12 pages; bibliography corrected