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MiS Preprint
16/2015
An epiperimetric inequality for the thin obstacle problem
Matteo Focardi and Emanuele Spadaro
Abstract
We prove an epiperimetric inequality for the thin obstacle problem, thus extending the pioneering results by Weiss on the classical obstacle problem (Invent. Math. 138 (1999), no. 1, 23-50). This inequality provides the means to study the rate of converge of the rescaled solutions to their limits, as well as the regularity properties of the free boundary.