On the Invariants of the Cohomology of Complements of Coxeter Arrangements

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Date
2018-10-22MFO Scientific Program
Research in Pairs 2018Series
Oberwolfach Preprints;2018,21Author
Douglass, J. Matthew
Pfeiffer, Götz
Röhrle, Gerhard
Metadata
Show full item recordOWP-2018-21
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.