Non-preservation of concavity properties by the Dirichlet heat flow on Riemannian manifolds

Autor: Ishige, Kazuhiro, Takatsu, Asuka, Tokunaga, Haruto
Rok vydání: 2024
Předmět:
Druh dokumentu: Working Paper
Popis: We prove that no concavity properties are preserved by the Dirichlet heat flow in a totally convex domain of a Riemannian manifold unless the sectional curvature vanishes everywhere on the domain.
Comment: 18 pages. Comments welcome!
Databáze: arXiv