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Parabolic integro-differential non degenerate Cauchy problem is considered in the scale of H\"older spaces of functions whose regularity is defined by a radially O-regularly varying L\'evy measure. Existence and uniqueness and the estimates…

概率论 · 数学 2018-10-02 R. Mikulevicius , Fanhui Xu

We investigate global and local regularity of generalized solutions to parabolic initial-boundary value problem for Petrovskii system of second order differential equations. Results are formulated in terms of the belonging of right-hand…

偏微分方程分析 · 数学 2022-06-09 Oleksandr Diachenko , Valerii Los

It will be established that the mean oscillation of bounded weak solutions to strongly coupled parabolic systems is small in small balls. If the systems are regular elliptic then their bounded weak solutions are H\"older continuous. Further…

偏微分方程分析 · 数学 2024-04-01 Dung Le

Gradient boundedness up to the boundary for solutions to Dirichlet and Neumann problems for elliptic systems with Uhlenbeck type structure is established. Nonlinearities of possibly non-polynomial type are allowed, and minimal regularity on…

偏微分方程分析 · 数学 2012-12-27 Andrea Cianchi , Vladimir Maz'ya

We establish that the Dirichlet problem for convex linear growth functionals on $BD$, the functions of bounded deformation, gives rise to the same unconditional Sobolev and partial $C^{1,\alpha}$-regularity theory as presently available for…

偏微分方程分析 · 数学 2019-08-27 Franz Gmeineder

We investigate the interior Sobolev regularity of weak solutions to the nonlocal $(1, p)$-Laplace equations in the superquadratic case $p\ge 2$. As a product, the explicit H\"{o}lder continuity estimates of weak solutions are derived. The…

偏微分方程分析 · 数学 2025-05-30 Dingding Li , Chao Zhang

In this paper, we study the mathematical properties of the solution $\bold{u}=\left(u^1,\cdots,u^k\right)$ to the degenerate parabolic system \begin{equation*} \bold{u}_t=\nabla\cdot\left(\left|\nabla\bold{u}\right|^{p-2}\nabla…

偏微分方程分析 · 数学 2021-02-17 Sunghoon Kim , Ki-Ahm Lee

We consider equations involving a combination of local and nonlocal degenerate $p$-Laplace operators. The main contribution of the paper is almost Lipschitz regularity for the homogeneous equation and H\"older continuity with an explicit…

偏微分方程分析 · 数学 2022-12-23 Prashanta Garain , Erik Lindgren

In this paper, we present local H\"older estimates for the degenerate Keller-Segel system \eqref{eq-cases-aligned-main-problem-of-Keller-Segel-System} below in the range of $m>1$ and $q>1$ before a blow-up of solutions. To deal with…

偏微分方程分析 · 数学 2015-03-26 Sunghoon Kim , Ki-Ahm Lee

In this paper we study the existence, the optimal regularity of solutions, and the regularity of the free boundary near the so-called \emph{regular points} in a thin obstacle problem that arises as the local extension of the obstacle…

偏微分方程分析 · 数学 2019-06-18 Agnid Banerjee , Donatella Danielli , Nicola Garofalo , Arshak Petrosyan

We prove local Lipschitz regularity for weak solutions to a parabolic orthotropic $p$-Laplacian-type equation in the Heisenberg group $\Hn$, for the range $2\leq p\leq4$.

偏微分方程分析 · 数学 2025-10-14 Michele Circelli

We study the boundary regularity properties and derive a priori pointwise supremum estimates of weak solutions and their derivatives in terms of suitable weighted $L^2$-norms for a class of degenerate parabolic equations that satisfy…

偏微分方程分析 · 数学 2017-02-09 Charles L. Epstein , Camelia A. Pop

This work studies the regularity and the geometric significance of solution of the Cauchy problem for a degenerate parabolic equation $u_{t}=\Delta{}u^{m}$. Our main objective is to improve the H$\ddot{o}$lder estimate obtained by pioneers…

偏微分方程分析 · 数学 2015-04-08 Jiaqing Pan

We study a class of degenerate parabolic equations with boundary point degeneracy in dimensions N>=2 and investigate the associated boundary observability problem by means of shape design. While one-dimensional degenerate models have been…

偏微分方程分析 · 数学 2026-03-27 Donghui Yang , Jie Zhong

In this paper we study the global boundedness for the solutions to a class of possibly degenerate parabolic equations by De-Giorgi's iteration. As applications, we show the existence of weak solutions for possibly degenerate stochastic…

偏微分方程分析 · 数学 2021-05-18 Xicheng Zhang

We study the local H\"older continuity of nonnegative solutions to doubly nonlinear equations by introducing a new technique that allows us to treat the cases where the equation is both singular and degenerate, up to specific Barenblatt…

偏微分方程分析 · 数学 2026-02-11 Simone Ciani , Eurica Henriques , Mariia Savchenko , Igor I. Skrypnik , Yevgeniia Yevgenieva

The purpose of this work is to produce a regularity theory for a class of parabolic Isaacs equations. Our techniques are based on approximation methods which allow us to connect our problem with a Bellman parabolic model. An approximation…

偏微分方程分析 · 数学 2022-01-13 Pêdra D. S. Andrade , Giane C. Rampasso , Makson S. Santos

In this work, we investigate quantitative regularity estimates for degenerate parabolic partial differential equations, with a focus on Orlicz-type diffusive structures. Using a geometric tangential analysis tailored to these structures and…

偏微分方程分析 · 数学 2025-10-29 M. D. Amaral , J. G. Araújo

We establish the Alexandroff-Bakelman-Pucci estimate, the Harnack inequality, the H\"older regularity and the Schauder estimates to a class of degenerate parabolic equations of non-divergence form in all dimensions \begin{equation}…

偏微分方程分析 · 数学 2024-12-04 Hyo Seok Jang , Ki-Ahm Lee

In this paper we prove Holder regularity of the gradient for solutions of Dirichlet problem associate to degenerate elliptic equations, extending the recent result of Imbert and Silvestre. Indeed we obtain regularity up to the boundary and…

偏微分方程分析 · 数学 2012-08-03 I. Birindelli , F. Demengel