English

An optimal Liouville theorem for the linear heat equation with a nonlinear boundary condition

Analysis of PDEs 2020-09-30 v1

Abstract

Liouville theorems for scaling invariant nonlinear parabolic problems in the whole space and/or the halfspace (saying that the problem does not posses positive bounded solutions defined for all times t(,)t\in(-\infty,\infty)) guarantee optimal estimates of solutions of related initial-boundary value problems in general domains. We prove an optimal Liouville theorem for the linear equation in the halfspace complemented by the nonlinear boundary condition u/ν=uq\partial u/\partial\nu=u^q, q>1q>1.

Keywords

Cite

@article{arxiv.2009.13923,
  title  = {An optimal Liouville theorem for the linear heat equation with a nonlinear boundary condition},
  author = {Pavol Quittner},
  journal= {arXiv preprint arXiv:2009.13923},
  year   = {2020}
}