Communications in Analysis and Geometry

Volume 12 (2004)

Number 1

Dehn-Thurston Coordinates for Curves on Surfaces

Pages: 1 – 41



Feng Luo

Richard Strong


We prove that the geometric intersection numbers between two proper 1-dimensional submanifolds satisfy a Cauchy type inequality expressed in terms of the Dehn-Thurston coordinate. As an application, we reestablish the fundamental results in the theory of measured laminations on surfaces.

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