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A doubly degenerate parabolic equation in non-divergent form with variable growth is investigated in this paper. In suitable spaces, we prove the existence of weak solutions of the equation for cases $1\leq m < 2$ and $m\geq 2$ in different…

Analysis of PDEs · Mathematics 2024-04-24 Jingfeng Shao , Zhichang Guo , Zhongxiang Zhou

In this paper, we study the solvability of a Cauchy- Dirichlet problem for nonlinear parabolic equation with non standard growths and nonlocal terms. We show the existence of weak solutions of the considered problem under more general…

Analysis of PDEs · Mathematics 2018-03-01 Ugur Sert , Eylem Ozturk

In this paper, we establish the well-posedness of Cauchy problems for weak solutions to second-order degenerate parabolic equations with a non-smooth, time-dependent degenerate elliptic part that includes both bounded and unbounded…

Analysis of PDEs · Mathematics 2025-12-04 Khalid Baadi

We describe a method to show short time uniqueness results for viscosity solutions of general nonlocal and non-monotone second-order geometric equations arising in front propagation problems. Our method is based on some lower gradient…

Analysis of PDEs · Mathematics 2010-07-26 Guy Barles , Olivier Ley , Hiroyoshi Mitake

Conditions for the existence and uniqueness of weak solutions for a class of nonlinear nonlocal degenerate parabolic equations are established. The asymptotic behaviour of the solutions as time tends to infinity are also studied. In…

Analysis of PDEs · Mathematics 2014-07-28 Rui M. P. Almeida , Stanislav N. Antontsev , José C. M. Duque

We aim to study nonnegative, global solutions to a general class of nonlocal parabolic equations with bounded measurable coefficients. First, we prove a Widder-type theorem. Such a result has previously been studied only for certain…

Analysis of PDEs · Mathematics 2025-05-14 Naian Liao , Marvin Weidner

We study a nonlocal evolution equation that involves a pseudo-parabolic third-order term. The equation models almost uni-directional two-phase flow in Brinkman regimes. We prove the existence of weak solutions for this equation. We also…

Analysis of PDEs · Mathematics 2018-09-14 Alaa Armiti-Juber , Christian Rohde

We construct fundamental solutions of second-order parabolic systems of divergence form with bounded and measurable leading coefficients and divergence free first-order coefficients in the class of $BMO^{-1}_x$, under the assumption that…

Analysis of PDEs · Mathematics 2018-04-17 Hongjie Dong , Seick Kim

In this paper, we focus on the existence of propagation fronts, solutions to non-local dispersion reaction models. Our aim is to provide a unified proof of this existence in a very broad framework using simple real analysis tools. In…

Analysis of PDEs · Mathematics 2025-03-27 Emeric Bouin , Jérôme Coville

We study nonlocal first-order equations arising in the theory of dislocations. We prove the existence and uniqueness of the solutions of these equations in the case of positive and negative velocities, under suitable regularity assumptions…

Analysis of PDEs · Mathematics 2009-02-13 Guy Barles , Olivier Ley

The main result of this paper is a nonlocal version of Harnack's inequality for a class of parabolic nonlocal equations. We additionally establish a weak Harnack inequality as well as local boundedness of solutions. None of the results…

Analysis of PDEs · Mathematics 2018-02-22 Martin Strömqvist

The global existence of weak solutions to a class of quasilinear parabolic equations with nonlinearities depending on first order terms and integrable data in a moving domain is investigated. The class includes the $p$-Laplace equation as a…

Analysis of PDEs · Mathematics 2020-12-18 Do Lan , Dang Thanh Son , Bao Quoc Tang , Le Thi Thuy

For the system of second order quasilinear parabolic equations the problem of reducing them to the equations of diffusion type is considered. In non-degenerate case an effective algorithm for solving this problem is suggested.

Differential Geometry · Mathematics 2007-05-23 V. V. Dmitrieva , A. V. Gladkov , R. A. Sharipov

Consider a class of non-homogenous ultraparabolic differential equations with drift terms or lower order terms arising from some physical models, and we prove that weak solutions are H\"{o}lder continuous, which also generalizes the classic…

Analysis of PDEs · Mathematics 2019-06-04 Wendong Wang , Liqun Zhang

Via abstract results on maximal monotone operators and compactness property of Nemickii operator, existence of a weak solution for a class of nonlinear parabolic systems of partial differential equations is proven.

Analysis of PDEs · Mathematics 2007-05-23 Marco Squassina

For a general class of divergence type quasi-linear degenerate parabolic equations with measurable coeffcients and lower order terms from non-linear Kato-type classes, we prove local boundedness and continuity of solutions, and the…

Analysis of PDEs · Mathematics 2009-08-04 Vitali Liskevich , Igor I. Skrypnik

We are interested in nonlocal Eikonal Equations describing the evolution of interfaces moving with a nonlocal, non monotone velocity. For these equations, only the existence of global-in-time weak solutions is available in some particular…

Analysis of PDEs · Mathematics 2010-02-10 Guy Barles , Pierre Cardaliaguet , Olivier Ley , Aurélien Monteillet

The paper deals with second order parabolic equations on bounded domains with Dirichlet conditions in arbitrary Euclidean spaces. Their interest comes from being models for describing reaction-diffusion processes in several frameworks. A…

Analysis of PDEs · Mathematics 2018-09-10 Irene Benedetti , Luisa Malaguti , Valentina Taddei

There is no general existence theorem for solutions for nonlinear difference equations, so we must prove the existence of solutions in accordance with models one by one. In our work, we found theorems for the existence of analytic solutions…

Classical Analysis and ODEs · Mathematics 2007-05-23 Mami Suzuki

In this paper we study the existence, localization and multiplicity of positive solutions for parabolic systems with nonlocal initial conditions. In order to do this, we extend an abstract theory that was recently developed by the authors…

Analysis of PDEs · Mathematics 2017-02-14 Gennaro Infante , Mateusz Maciejewski
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