Boundary Hölder gradient estimates for fully nonlinear degenerate or singular parabolic equations

Fuente: arXiv
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Auteur principal: Yun, Hyungsung
Format: Preprint
Publié: 2025
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_version_ 1866908554312548352
author Yun, Hyungsung
author_facet Yun, Hyungsung
contents We study boundary regularity of viscosity solutions to fully nonlinear degenerate or singular parabolic equations. The gradient-dependent degeneracy or singularity, along with the time derivative, introduces significant challenges beyond the elliptic case. By combining compactness methods, barrier constructions, regularization techniques, and the boundary regularity of small perturbation solutions, we establish boundary Hölder gradient estimates that unify and extend previous results.
format Preprint
id arxiv_https___arxiv_org_abs_2509_16613
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Boundary Hölder gradient estimates for fully nonlinear degenerate or singular parabolic equations
Yun, Hyungsung
Analysis of PDEs
35B65, 35D40, 35K65, 35K67
We study boundary regularity of viscosity solutions to fully nonlinear degenerate or singular parabolic equations. The gradient-dependent degeneracy or singularity, along with the time derivative, introduces significant challenges beyond the elliptic case. By combining compactness methods, barrier constructions, regularization techniques, and the boundary regularity of small perturbation solutions, we establish boundary Hölder gradient estimates that unify and extend previous results.
title Boundary Hölder gradient estimates for fully nonlinear degenerate or singular parabolic equations
topic Analysis of PDEs
35B65, 35D40, 35K65, 35K67
url https://arxiv.org/abs/2509.16613