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In this paper, the long-time asymptotic behaviours of nonlocal porous medium equations with absorption or convection are studied. In the parameter regimes when the nonlocal diffusion is dominant, the entropy method is adapted in this…

偏微分方程分析 · 数学 2023-11-08 Filomena Feo , Yanghong Huang , Bruno Volzone

In this paper we study a broad class of non-local advection-diffusion models describing the behaviour of an arbitrary number of interacting species, each moving in response to the non-local presence of others. Our model allows for different…

偏微分方程分析 · 数学 2024-06-17 Valeria Giunta , Thomas Hillen , Mark Lewis , Jonathan Potts

In this paper, we investigate a Fisher-KPP nonlocal diffusion model incorporating the effect of advection and free boundaries, aiming to explore the propagation dynamics of the nonlocal diffusion-advection model. Considering the effects of…

偏微分方程分析 · 数学 2023-09-13 Chengcheng Cheng

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…

偏微分方程分析 · 数学 2014-04-18 Pavel Gurevich

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.

偏微分方程分析 · 数学 2013-06-10 Liviu I. Ignat , Ademir Pazoto

This paper is devoted to a nonlocal reaction-diffusion-advection model that describes the spatial dynamics of freshwater organisms in a river with a directional motion. Our goal is to investigate how the advection rate affects the dynamic…

偏微分方程分析 · 数学 2024-05-14 Yaobin Tang , Binxiang Dai

We consider a nonlinear parabolic model that forces solutions to stay on a $L^2$-sphere through a nonlocal term in the equation. We study the local and global well-posedness on a bounded domain and the whole Euclidean space in the energy…

偏微分方程分析 · 数学 2024-11-28 Boris Shakarov

This paper investigates the asymptotic behaviour of solutions to certain infinite systems of coupled recurrence relations. In particular, we obtain a characterisation of those initial values which lead to a convergent solution, and for…

泛函分析 · 数学 2019-02-14 L. Paunonen , D. Seifert

We investigate asymptotic behavior of solutions for nonlocal elliptic boundary value problems in plane angles and in ${\mathbb R}^2\backslash\{0\}$. Such problems arise as model ones when studying asymptotics of solutions for nonlocal…

偏微分方程分析 · 数学 2014-04-18 Pavel Gurevich

In this paper, we consider the large time asymptotic behavior of solutions to systems of two cubic nonlinear Schr"odinger equations in one space dimension. It turns out that for a system there exists a small solution of which asymptotic…

偏微分方程分析 · 数学 2021-12-14 Satoshi Masaki , Jun-ichi Segata , Kota Uriya

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…

偏微分方程分析 · 数学 2021-06-22 Tadele Mengesha , James M. Scott

We study a reaction-diffusion equation with a nonlocal reaction term that models a population with variable motility. We establish a global supremum bound for solutions of the equation. We investigate the asymptotic (long-time and…

偏微分方程分析 · 数学 2016-03-07 Olga Turanova

We study transport processes on infinite networks. The solution of these processes can be modeled by an operator semigroup on a suitable Banach space. Classically, such semigroups are strongly continuous and therefore their asymptotic…

泛函分析 · 数学 2022-11-18 Alexander Dobrick

In this paper, the existence, uniqueness, and positivity of solutions, as well as the asymptotic behavior through a finite fractal dimensional global attractor for a general Advection-Diffusion-Reaction (ADR) equation, are investigated. Our…

偏微分方程分析 · 数学 2025-01-03 Mohammed Elghandouri , Khalil Ezzinbi , Lamiae Saidi

In the paper the flow in a thin tubular structure is considered. The velocity of the flow stands for a coefficient in the diffusion-convection equation set in the thin structure. An asymptotic expansion of solution is constructed. This…

偏微分方程分析 · 数学 2012-01-11 G. Cardone , G. P. Panasenko , Y. Sirakov

In this paper we consider a physiologically structured population model with distributed states at birth, formulated on the space of non-negative Radon measures. Using a characterisation of the pre-dual space of bounded Lipschitz functions,…

偏微分方程分析 · 数学 2022-05-17 József Z. Farkas , Piotr Gwiazda , Anna Marciniak-Czochra

We derived here in a systematic way, and for a large class of scaling regimes, asymptotic models for the propagation of internal waves at the interface between two layers of immiscible fluids of different densities, under the rigid lid…

偏微分方程分析 · 数学 2007-12-27 Jerry L. Bona , David Lannes , Jean-Claude Saut

In this paper, we study some qualitative properties for an evolution problem that combines local and nonlocal diffusion operators acting in two different subdomains and, coupled in such a way that, the resulting evolution problem is the…

偏微分方程分析 · 数学 2020-03-05 Bruna C. dos Santos , Sergio M. Oliva , Julio D. Rossi

Large-time asymptotic properties of solutions to a class of semilinear stochastic wave equations with damping in a bounded domain are considered. First an energy inequality and the exponential bound for a linear stochastic equation are…

概率论 · 数学 2007-05-23 Pao-Liu Chow

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…

偏微分方程分析 · 数学 2010-04-30 Armel Andami Ovono
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