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The Gauss-Bonnet theorem for cone manifolds and volumes of moduli spaces
Author(s) -
Curtis T. McMullen
Publication year - 2017
Publication title -
american journal of mathematics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.818
H-Index - 67
eISSN - 1080-6377
pISSN - 0002-9327
DOI - 10.1353/ajm.2017.0005
Subject(s) - mathematics , cone (formal languages) , pure mathematics , moduli space , gauss , moduli , gauss–bonnet theorem , class (philosophy) , mathematical analysis , mathematical physics , einstein , physics , algorithm , quantum mechanics , artificial intelligence , computer science
This paper generalizes the Gauss-Bonnet formula to a class of stratified spaces called Riemannian cone manifolds. As an application, we compute the volumes of the moduli spaces ${\cal M}_{0,n}$ with respect to the complex hyperbolic metrics introduced by Picard, Deligne-Mostow and Thurston.

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