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A Wolpert Theorem for shearing coordinates

Marie Abadie

math.GTarXiv:2611.05045

Abstract

A theorem from Wolpert bounds the Weil--Petersson distance from a hyperbolic surface to a maximally noded surface in terms of the lengths of the underlying pants decomposition. We prove analogues for punctured surfaces both in terms of the lambda-lengths and in terms of the shearing coordinates of an ideal triangulation.

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