English
Related papers

Related papers: Long-time asymptotics for nonlocal porous medium e…

200 papers

We consider a porous medium equation with nonlocal diffusion effects given by an inverse fractional Laplacian operator. In a previous paper we have found mass-preserving, nonnegative weak solutions of the equation satisfying energy…

Analysis of PDEs · Mathematics 2010-04-08 Luis Caffarelli , Juan Luis Vazquez

In this paper we consider a model that involves nonlocal diffusion and a classical convective term. Using a scaling argument and a new compactness argument we obtain the first term in the asymptotic behavior of the solutions.

Analysis of PDEs · Mathematics 2013-06-10 Liviu I. Ignat , Ademir Pazoto

In this paper we consider a nonlocal viscous Burgers equation and study the well-posedness and asymptotic behaviour of its solutions. We prove that under the smallness assumption on the initial data the solutions behave as the self similar…

Analysis of PDEs · Mathematics 2016-10-13 Liviu Ignat , Tatiana Ignat

We analyze long-time behavior of solutions to a class of problems related to very fast and singular diffusion porous medium equations having nonhomogeneous in space and time source terms with zero mean. In dimensions two and three, we…

Analysis of PDEs · Mathematics 2022-10-24 Georgy Kitavtsev , Roman M. Taranets

This paper studies the derivation of the quadratic porous medium equation and a class of cross-diffusion systems from nonlocal interactions. We prove convergence of solutions of a nonlocal interaction equation, resp. system, to solutions of…

Analysis of PDEs · Mathematics 2022-10-10 Martin Burger , Antonio Esposito

We study the large time behavior of solutions to the porous medium equation in nonhomogeneous media with critical singular density $$ |x|^{-2}\partial_{t}u=\Delta u^m, \quad \hbox{in} \ \real^N\times(0,\infty), $$ where $m>1$ and $N\geq3$.…

Analysis of PDEs · Mathematics 2013-09-30 Razvan Iagar , Ariel Sánchez Valdés

We are interested in the large-time behavior of periodic entropy solutions in $L^\infty$ to anisotropic degenerate parabolic-hyperbolic equations of second-order. Unlike the pure hyperbolic case, the nonlinear equation is no longer…

Analysis of PDEs · Mathematics 2008-10-17 Gui-Qiang Chen , Benoit Perthame

In this paper we study the asymptotic behaviour of a nonlocal nonlinear parabolic equation governed by a parameter. After giving the existence of unique branch of solutions composed by stable solutions in stationary case, we gives for the…

Analysis of PDEs · Mathematics 2010-04-30 Armel Andami Ovono

A non self-similar change of coordinates provides improved matching asymptotics of the solutions of the fast diffusion equation for large times, compared to already known results, in the range for which Barenblatt solutions have a finite…

Analysis of PDEs · Mathematics 2011-12-20 Jean Dolbeault , Giuseppe Toscani

In this paper we study the asymptotic behaviour of a nonlocal nonlinear parabolic equation governed by a parameter. After giving the existence of unique branch of solutions composed by stable solutions in stationary case, we gives for the…

Analysis of PDEs · Mathematics 2010-03-23 Armel Andami Ovono

We consider a convection-diffusion model with linear fractional diffusion in the sub-critical range. We prove that the large time asymptotic behavior of the solution is given by the unique entropy solution of the convective part of the…

Analysis of PDEs · Mathematics 2022-12-07 Liviu Ignat , Diana Stan

The large-time asymptotics of the solutions to a class of degenerate parabolic cross-diffusion systems is analyzed. The equations model the interaction of an arbitrary number of population species in a bounded domain with no-flux boundary…

Analysis of PDEs · Mathematics 2023-07-03 Xiuqing Chen , Ansgar Jüngel , Xi Lin , Ling Liu

In these lecture notes, we address the problem of large-time asymptotic behaviour of the solutions to scalar convection-diffusion equations set in ${R}^N$. The large-time asymptotic behaviour of the solutions to many convection-diffusion…

Analysis of PDEs · Mathematics 2020-03-27 Enrique Zuazua

In this paper we study the asymptotic behavior of solutions to systems of strongly coupled integral equations with oscillatory coefficients. The system of equations is motivated by a peridynamic model of the deformation of heterogeneous…

Analysis of PDEs · Mathematics 2021-06-22 Tadele Mengesha , James M. Scott

The paper is devoted to the study of asymptotic behavior of solutions for nonlocal elliptic problems in weighted spaces. We deal with the most difficult case where the support of nonlocal terms intersects with the boundary of a plane…

Analysis of PDEs · Mathematics 2014-04-18 Pavel Gurevich

In this paper we consider a subcritical model that involves nonlocal diffusion and a classical convective term. In spite of the nonlocal diffusion, we obtain an Oleinik type estimate similar to the case when the diffusion is local. First we…

Analysis of PDEs · Mathematics 2016-10-13 C. Cazacu , L. Ignat , A. Pazoto

In this paper, we consider a nonlocal advection model for two populations on a bounded domain. The first part of the paper is devoted to the existence and uniqueness of solutions and the associated semi-flow properties. Here we use the…

Analysis of PDEs · Mathematics 2018-12-18 Xiaoming Fu , Pierre Magal

We study the entropy solution for a class of systems of nonlocal conservation laws in which the convective flux is convoluted with a kernel in both spatial and temporal variables. This formulation models the flux dependence on the solution…

Numerical Analysis · Mathematics 2026-04-30 Aekta Aggarwal , Ganesh Vaidya

In this paper, we investigate the speed of convergence and higher-order asymptotics of solutions to the porous medium equation posed in $\mathbf{R}^N$. Applying a nonlinear change of variables, we rewrite the equation as a diffusion on a…

Analysis of PDEs · Mathematics 2015-05-26 Christian Seis

We consider the homogenization of a model of reactive flows through periodic porous media involving a single solute which can be absorbed and desorbed on the pore boundaries. This is a system of two convection-diffusion equations, one in…

Analysis of PDEs · Mathematics 2014-12-30 Grégoire Allaire , Harsha Hutridurga
‹ Prev 1 2 3 10 Next ›