On the Hölder continuity of signed solutions to doubly nonlinear parabolic equations in the mixed degenerate/singular cases

Fuente: arXiv
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Autore principale: Skrypnik, Igor I.
Natura: Preprint
Pubblicazione: 2026
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author Skrypnik, Igor I.
author_facet Skrypnik, Igor I.
contents We prove the Hölder continuity of sign-changing solutions to the equation of the type $$\frac{\partial}{\partial t}\big(|u|^{q-1} u\big)- div\Big(|D u|^{p-2}\,D u\Big)=0,$$ where numbers $p$, $q$ satisfy the conditions $$0<q<p-1\quad \text{and}\quad p<2,$$ or $$q>p-1\quad\text{and}\quad p>2.$$ Our proof uses new versions of the integral Harnack type inequalities for sign-changing solutions.
format Preprint
id arxiv_https___arxiv_org_abs_2602_14800
institution arXiv
publishDate 2026
record_format arxiv
spellingShingle On the Hölder continuity of signed solutions to doubly nonlinear parabolic equations in the mixed degenerate/singular cases
Skrypnik, Igor I.
Analysis of PDEs
35B40, 35B45, 35B65, 35K65, 35K67
We prove the Hölder continuity of sign-changing solutions to the equation of the type $$\frac{\partial}{\partial t}\big(|u|^{q-1} u\big)- div\Big(|D u|^{p-2}\,D u\Big)=0,$$ where numbers $p$, $q$ satisfy the conditions $$0<q<p-1\quad \text{and}\quad p<2,$$ or $$q>p-1\quad\text{and}\quad p>2.$$ Our proof uses new versions of the integral Harnack type inequalities for sign-changing solutions.
title On the Hölder continuity of signed solutions to doubly nonlinear parabolic equations in the mixed degenerate/singular cases
topic Analysis of PDEs
35B40, 35B45, 35B65, 35K65, 35K67
url https://arxiv.org/abs/2602.14800