Calculus of Variations and Geometric Measure Theory
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M. Kimura - P. van Meurs

Precise characterisation of the minimiser of interaction energies

created by vanmeurs on 08 Sep 2018



Inserted: 8 sep 2018

Year: 2017

ArXiv: 1710.00282 PDF


We consider both the minimisation of a class of nonlocal interaction energies over non-negative measures with unit mass and a class of singular integral equations of the first kind of Fredholm type. Our setting covers applications to dislocation pile-ups, contact problems, fracture mechanics and 1D log gases. Our main result shows that both the minimisation problems and the related singular integral equations have the same unique solution, which provides new regularity results on the minimiser of the energy and new positivity results on the solutions to singular integral equations.

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