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On the Invariants of the Cohomology of Complements of Coxeter Arrangements (1810.02563v2)
Published 5 Oct 2018 in math.RT, math.CO, and math.GR
Abstract: We refine Brieskorn's study of the cohomology of the complement of the reflection arrangement of a finite Coxeter group $W$. As a result we complete the verification of a conjecture by Felder and Veselov that gives an explicit basis of the space of $W$-invariants in this cohomology ring.
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