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This paper is concerned with an uniqueness of solution of the weak formulation of an evolution dam problem related to a compressible fluid flow through a two-dimensional, rectangular and heterogeneous porous medium. Note that our problem…

Analysis of PDEs · Mathematics 2018-11-21 Elmehdi Zaouche

We establish uniqueness of the solution of the unsteady state dam problem in the heterogeneous and rectangular case assuming the dam wet at the bottom and dry near to the top.

Analysis of PDEs · Mathematics 2015-08-13 Abdeslem Lyaghfouri , El Mehdi Zaouche

We consider quasi-static poroelastic systems with incompressible constituents. The nonlinear permeability is taken to be dependent on solid dilation, and physical types of boundary conditions (Dirichlet, Neumann, and mixed) for the fluid…

Analysis of PDEs · Mathematics 2022-02-23 Lorena Bociu , Boris Muha , Justin T. Webster

The final goal of this paper is to prove existence of local (strong) solutions to a (fully nonlinear) porous medium equation with blow-up term and nondecreasing constraint. To this end, the equation, arising in the context of Damage…

Analysis of PDEs · Mathematics 2018-02-28 Goro Akagi , Stefano Melchionna

We consider a two-phase elliptic-parabolic moving boundary problem modelling an evaporation front in a porous medium. Our main result is a proof of short-time existence and uniqueness of strong solutions to the corresponding nonlinear…

Analysis of PDEs · Mathematics 2017-02-16 Friedrich Lippoth , Georg Prokert

This is an introduction to the analysis of nonlinear evolution equations on manifolds with conical singularities via maximal regularity techniques. We address the specific difficulties due to the singularities, in particular the choice of…

Analysis of PDEs · Mathematics 2026-03-30 Elmar Schrohe

We prove global existence and uniqueness of solutions to a Cahn-Hilliard system with nonlinear viscosity terms and nonlinear dynamic boundary conditions. The problem is highly nonlinear, characterized by four nonlinearities and two separate…

Analysis of PDEs · Mathematics 2020-01-07 Luca Scarpa

Motivated by porous medium equations with randomly perturbed velocity field, this paper considers a class of nonlinear degenerate diffusion equations with nonlinear conservative noise in bounded domains. The existence, uniqueness and…

Probability · Mathematics 2023-09-06 Kai Du , Ruoyang Liu , Yuxing Wang

The paper deals with a nonlinear evolution equation describing the dynamics of a non homogeneous multiply hinged beam, subject to a nonlocal restoring force of displacement type. First, a spectral analysis for the associated weighted…

Analysis of PDEs · Mathematics 2020-10-21 E. Berchio , A. Falocchi , M. Garrione

We study existence and uniqueness of bounded solutions to a fractional sublinear elliptic equation with a variable coefficient, in the whole space. Existence is investigated in connection to a certain fractional linear equation, whereas the…

Analysis of PDEs · Mathematics 2013-11-15 Fabio Punzo , Gabriele Terrone

We consider the initial-boundary value problem for a nonlinear parabolic equation in the one-dimensional interval. This problem is motivated by a mathematical model for moisture transport in porous media. We establish the uniqueness of weak…

Analysis of PDEs · Mathematics 2025-11-14 Akiko Morimura , Toyohiko Aiki

We consider a simplified model of a two-phase flow through a heterogeneous porous medium, in which the convection is neglected. This leads to a nonlinear degenerate parabolic problem in a domain shared in an arbitrary finite number of…

Analysis of PDEs · Mathematics 2010-07-26 Clément Cancès , Thierry Gallouet , Alessio Porretta

The present paper deals with the nonhomogeneous incompressible asymmetric fluids equations in dimension $d= 2,3$. The aim is to prove the unique global solvability of the system with only bounded nonnegative initial density and $H^{1}$…

Analysis of PDEs · Mathematics 2020-10-20 Fuyi Xu , Mingxue Zhang , Liening Qiao

The uniqueness of global weak solutions to one-dimensional doubly degenerate cross-diffusion system is shown. The equations model the evolution of feeding bacterial populations in a malnourished environment. The key idea of the proof is…

Analysis of PDEs · Mathematics 2025-01-14 Xiuqing Chen , Bang Du

The diffraction of a plane wave by a transversely inhomogeneous isotropic nonmagnetic linearly polarized dielectric layer filled with a Kerr-type nonlinear medium is considered. The analytical and numerical solution techniques are…

Analysis of PDEs · Mathematics 2009-10-13 Yury Shestopalov , Vasil Yatsyk

We develop a theory of generalized solutions of the nonlinear evolution equations for complex-valued functions of a real positive time variable and $p$-adic spatial variable, which can be seen as non-Archimedean counterparts of the…

Analysis of PDEs · Mathematics 2023-10-06 Alexandra Antoniouk , Anatoly Kochubei , Oleksii Nikitchenko

We prove the existence of solutions to the Cauchy-Dirichlet problem associated with a class of doubly nonlinear anisotropic evolution equations. We also demonstrate the existence of solutions to the corresponding Cauchy problem on…

Analysis of PDEs · Mathematics 2024-07-18 Matias Vestberg

We study existence and uniqueness of solutions to a class of nonlinear degenerate parabolic equations, in bounded domains. We show that there exists a unique solution which satisfies possibly inhomogeneous Dirichlet boundary conditions. To…

Analysis of PDEs · Mathematics 2014-12-08 Fabio Punzo , Marta Strani

We study existence and uniqueness of bounded solutions to a fractional nonlinear porous medium equation with a variable density, in one space dimension.

Analysis of PDEs · Mathematics 2012-12-20 Fabio Punzo , Gabriele Terrone

We study the Cauchy problem for $p$-adic nonlinear evolutionary pseudo-differential equations for complex-valued functions of a real positive time variable and p-adic spatial variables. Among the equations under consideration there is the…

Analysis of PDEs · Mathematics 2019-09-17 Alexandra V. Antoniouk , Andrei Yu. Khrennikov , Anatoly N. Kochubei
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