Newton-Okounkov polyhedra for character varieties and configuration spaces

Abstract

We construct families of Newton-Okounkov bodies for the free group character varieties and configuration spaces of any connected reductive group. We use this construction to give a proof that these spaces are Cohen-Macaulay.

26 pages, 9 figures, published version

References in corpus (2)

• The topology of moduli spaces of free group representations
• Compactifications of character varieties and skein relations on conformal blocks