Continuity of the temperature in a multi-phase transition problem

Math Ann. 2022;384(1-2):1-35. doi: 10.1007/s00208-021-02255-x. Epub 2021 Sep 6.

Abstract

Locally bounded, local weak solutions to a doubly nonlinear parabolic equation, which models the multi-phase transition of a material, is shown to be locally continuous. Moreover, an explicit modulus of continuity is given. The effect of the p-Laplacian type diffusion is also considered.

Keywords: 35B65; 35K65; 35K92; 80A22.