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The Borell-Ehrhard Game

Probability 2018-06-22 v1 Functional Analysis Metric Geometry

Abstract

A precise description of the convexity of Gaussian measures is provided by sharp Brunn-Minkowski type inequalities due to Ehrhard and Borell. We show that these are manifestations of a game-theoretic mechanism: a minimax variational principle for Brownian motion. As an application, we obtain a Gaussian improvement of Barthe's reverse Brascamp-Lieb inequality.

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Cite

@article{arxiv.1605.00285,
  title  = {The Borell-Ehrhard Game},
  author = {Ramon van Handel},
  journal= {arXiv preprint arXiv:1605.00285},
  year   = {2018}
}

Comments

23 pages

R2 v1 2026-06-22T13:45:53.783Z