Newton-Okounkov polyhedra for character varieties and configuration spaces

Manon, Christopher

doi:10.1090/tran/6698

Newton-Okounkov polyhedra for character varieties and configuration spaces
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by Christopher Manon PDF

Trans. Amer. Math. Soc. 368 (2016), 5979-6003 Request permission

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.

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