English

Essential connectedness and the rigidity problem for Gaussian symmetrization

Analysis of PDEs 2013-04-17 v1

Abstract

We provide a geometric characterization of rigidity of equality cases in Ehrhard's symmetrization inequality for Gaussian perimeter. This condition is formulated in terms of a new measure-theoretic notion of connectedness for Borel sets, inspired by Federer's definition of indecomposable current.

Cite

@article{arxiv.1304.4527,
  title  = {Essential connectedness and the rigidity problem for Gaussian symmetrization},
  author = {Filippo Cagnetti and Maria Colombo and Guido De Philippis and Francesco Maggi},
  journal= {arXiv preprint arXiv:1304.4527},
  year   = {2013}
}

Comments

38 pages

R2 v1 2026-06-22T00:00:50.237Z