The Talenti comparison result in a quantitative form
Vincenzo Amato, Rosa Barbato, Alba Lia Masiello, Gloria Paoli · arXiv (Cornell University) · 2023
In this paper, we obtain a quantitative version of the classical comparison result of Talenti for elliptic problems with Dirichlet boundary conditions. The key role is played by quantitative versions of the Pólya-Szego inequality and of the Hardy-Littlewood inequality.