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We prove global existence and blow-up of solutions of initial-boundary value problem for nonlinear nonlocal parabolic equation with nonlinear nonlocal boundary condition. Obtained results depend on the behavior of variable coefficients for…

Analysis of PDEs · Mathematics 2020-05-20 Alexander Gladkov , Tatiana Kavitova

We establish conditions for nonexistence of global solutions for a class of quasilinear parabolic problems with a potential on complete, non-compact Riemannian manifolds, including the Porous Medium Equation and the p-Laplacian with a…

Analysis of PDEs · Mathematics 2025-11-21 Dorothea-Enrica von Criegern , Gabriele Grillo , Dario Monticelli

In this paper I discuss nonlinear parabolic systems that are generalizations of scalar diffusion equations. I show that when potential is a convex function that depends only on the norm of the solution, then bounded weak solutions of these…

Analysis of PDEs · Mathematics 2008-10-16 Maxim Trokhimtchouk

This paper deals with the fully parabolic chemotaxis system of local sensing in higher dimensions. Despite the striking similarity between this system and the Keller--Segel system, we prove the absence of finite-time blow-up phenomenon in…

Analysis of PDEs · Mathematics 2021-02-25 Kentaro Fujie , Takasi Senba

We derive global analytic representations of fundamental solutions for a class of linear parabolic systems with full coupling of first order derivative terms where coefficient may depend on space and time. Pointwise convergence of the…

Analysis of PDEs · Mathematics 2009-07-17 Joerg Kampen

Here we study a nonlinear thermoelasticity hyperbolic-parabolic system describing the balance of momentum and internal energy of a heat-conducting elastic body, preserving the positivity of temperature. So far, no global existence results…

Analysis of PDEs · Mathematics 2023-12-20 Tomasz Cieślak , Boris Muha , Srđan Trifunović

Consider, in dimension 3, a system of coupled Klein-Gordon equations with different speeds, and an arbitrary quadratic nonlinearity. We show, for data which are small, smooth, and localized, that a global solution exists, and that it…

Analysis of PDEs · Mathematics 2010-05-31 Pierre Germain

In the first part of this article, we will prove an existence-uniqueness result for generalized solutions of a mixed problem for linear hyperbolic system in the Colombeau algebra. In the second part, we apply this result to a wave…

Analysis of PDEs · Mathematics 2013-05-14 Lalla Saadia Chadli , Said Melliani , Aziz Moujahid

The purpose of this article is to show that there are many differential viscoelastic models for which the global existence of a regular solution is possible. Although the problem of global existence in the classic Oldroyd model is still…

Analysis of PDEs · Mathematics 2018-07-19 Laurent Chupin

We study the regularity of solutions of parabolic fully nonlinear nonlocal equations. We proof Holder regularity in space and time and for translation invariant equations and under different assumptions on the kernels Holder regularity for…

Analysis of PDEs · Mathematics 2012-05-17 Héctor A. Chang Lara , Gonzalo Dávila

Classical solutions of the spherically symmetric Nordstr\"{o}m-Vlasov system are shown to exist globally in time. The main motivation for investigating the mathematical properties of the Nordstr\"{o}m-Vlasov system is its relation to the…

General Relativity and Quantum Cosmology · Physics 2016-08-16 Håkan Andréasson , Simone Calogero , Gerhard Rein

In this paper, we give sufficient conditions for global-in-time existence of classical solutions for the fully parabolic chemorepulsion system posed on a convex, bounded three-dimensional domain. Our main result establishes global-in-time…

Analysis of PDEs · Mathematics 2024-06-13 Tomasz Cieślak , Mario Fuest , Karol Hajduk , Mikołaj Sierżęga

This paper investigates a class of chemotaxis systems modeling lethal interactions in a smooth, bounded domain $\Omega \subset \mathbb{R}^n$ with homogeneous Neumann boundary conditions. We examine two distinct cases: (i) a fully parabolic…

Analysis of PDEs · Mathematics 2026-02-06 Gnanasekaran Shanmugasundaram , Jitraj Saha

We consider a non-linear system modelling the dynamics of a linearly elastic body immersed in an incompressible viscous fluid, without damping on the elastic part. We prove local existence of strong solutions and global existence and…

Analysis of PDEs · Mathematics 2025-08-20 Karoline Disser , Michelle Luckas

The parareal in time algorithm allows to perform parallel simulations of time dependent problems. This algorithm has been implemented on many types of time dependent problems with some success. Recent contributions have allowed to extend…

Numerical Analysis · Mathematics 2015-03-19 Xiaoying Dai , Yvon Maday

Motivated by problems arising in geometric flows, we prove several regularity results for systems of local and nonlocal equations, adapting to the parabolic case a neat argument due to Caffarelli. The geometric motivation of this work comes…

Analysis of PDEs · Mathematics 2020-05-11 Agnid Banerjee , Gonzalo Dávila , Yannick Sire

Existence and uniqueness of mass-conserving classical solutions to the continuous coagulation equation with collisional breakage are investigated for an unbounded class of collision kernels and a particular case of the distribution…

Analysis of PDEs · Mathematics 2018-08-23 Prasanta Kumar Barik , Ankik Kumar Giri

In this paper, we investigate the asymptotic behaviors of the solutions of nonlinear dynamic systems nearby an equilibrium point, when the nominal parts are subject to non necessarily small perturbations. We show that, under some estimates…

Dynamical Systems · Mathematics 2020-08-07 Mondher Benjemaa , Wided Gouadri , Mohamed Ali Hammami

This paper aims to prove the global existence of solutions for coupled reaction diffusion equations with a balance Law and nonlinearities with a non constant sign. The case when one (or both) of the components of the solution is not a…

Analysis of PDEs · Mathematics 2023-10-24 Said Kouachi

In this paper we study the quasilinear nondiagonal parabolic type systems. We assume that the principal elliptic operator, which is part of the parabolic system, has a divergence structure. Under certain conditions it is proved the…

Analysis of PDEs · Mathematics 2013-05-28 Wladimir Neves , Mikhail Vishnevskii