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相关论文: On Global Asymptotic Stability for the diffusive C…

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This paper is concerned with the study of a diffusive perturbation of the linear LSW model introduced by Carr and Penrose. A main subject of interest is to understand how the presence of diffusion acts as a selection principle, which…

偏微分方程分析 · 数学 2016-01-27 Joseph G. Conlon , Michael Dabkowski , Jingchen Wu

This paper is concerned with the stability and asymptotic stability at large time of solutions to a system of equations, which includes the Lifschitz-Slyozov-Wagner (LSW) system in the case when the initial data has compact support. The…

偏微分方程分析 · 数学 2011-12-06 Joseph G. Conlon , Barbara Niethammer

Let $n\geq 3$, $0< m<\frac{n-2}{n}$ and $T>0$. We construct positive solutions to the fast diffusion equation $u_t=\Delta u^m$ in $\mathbb{R}^n\times(0,T)$, which vanish at time $T$. By introducing a scaling parameter $\beta$ inspired by…

偏微分方程分析 · 数学 2018-11-13 Kin Ming Hui , Soojung Kim

In this paper, we introduce and study the convergence of new Carath\'eodory's approximate solution for one-dimensional $\alpha, \beta$-doubly perturbed stochastic differential equations (DPSDEs) with parameters $\alpha <1$ and $\beta <1$…

概率论 · 数学 2025-01-22 R. Belfadli , L. Boulanba , Y. Ouknine

Known by many names and arising in many settings, the forced linear diffusion model is central to the modeling of power and influence within social networks (while also serving as the mechanistic justification for the widely used…

社会与信息网络 · 计算机科学 2023-11-01 Carter T. Butts

In this paper we characterise the global stability, global boundedness and recurrence of solutions of a scalar nonlinear stochastic differential equation. The differential equation is a perturbed version of a globally stable autonomous…

概率论 · 数学 2013-10-10 John A. D. Appleby , Jian Cheng , Alexandra Rodkina

The unipolar and bipolar macroscopic quantum models derived recently for instance in the area of charge transport are considered in spatial one-dimensional whole space in the present paper. These models consist of nonlinear fourth-order…

数学物理 · 物理学 2008-11-25 Hai-Liang Li , Guo-Jing Zhang , Min Zhang , Chengchun Hao

We consider a class of mass transfer models on a one-dimensional lattice with nearest-neighbour interactions. The evolution is given by the discrete backward fast diffusion equation, with exponent $\beta$ in the regime $(-\infty,0) \cup…

数学物理 · 物理学 2018-12-26 Constantin Eichenberg

We prove stability for arbitrarily long times of the zero solution for the so-called $\beta$-plane equation, which describes the motion of a two-dimensional inviscid, ideal fluid under the influence of the Coriolis effect. The Coriolis…

偏微分方程分析 · 数学 2016-05-05 Tarek M. Elgindi , Klaus Widmayer

The LSW model with encounters has been suggested by Lifshitz and Slyozov as a regularization of their classical mean-field model for domain coarsening to obtain universal self-similar long-time behavior. We rigorously establish that an…

偏微分方程分析 · 数学 2010-09-02 Michael Herrmann , Barbara Niethammer , Juan J. L. Velazquez

We studied the single dimer dynamics in a lattice diffusive model as a function of particle density in the high densification regime. The mean square displacement is found to be subdiffusive both in one and two dimensions. The spatial…

统计力学 · 物理学 2009-11-07 C. Fusco , P. Gallo , A. Petri , M. Rovere

The large-time behavior of solutions to Burgers equation with small viscosity is described using invariant manifolds. In particular, a geometric explanation is provided for a phenomenon known as metastability, which in the present context…

动力系统 · 数学 2015-05-13 Margaret Beck , C. Eugene Wayne

We study nonlinear stability of spatially homogeneous oscillations in reaction-diffusion systems. Assuming absence of unstable linear modes and linear diffusive behavior for the neutral phase, we prove that spatially localized perturbations…

偏微分方程分析 · 数学 2008-07-01 Thierry Gallay , Arnd Scheel

The main result of the paper is a global asymptotic stability result for solutions to the Lifschitz-Slyozov-Wagner (LSW) system of equations. This extends some local asymptotic stability results of Niethammer-Vel\'{a}zquez (2006). The…

偏微分方程分析 · 数学 2020-01-08 Joseph G. Conlon , Michael Dabkowski

We study the long-time behavior of localized solutions to linear or semilinear parabolic equations in the whole space $\mathbb{R}^n$, where $n \ge 2$, assuming that the diffusion matrix depends on the space variable $x$ and has a finite…

偏微分方程分析 · 数学 2020-05-29 Thierry Gallay , Romain Joly , Geneviève Raugel

Let $n\ge 3$, $0<m<\frac{n-2}{n}$, $\alpha=\frac{2\beta-1}{1-m}$ and $\frac{2}{1-m}<\frac{\alpha}{\beta}<\frac{n-2}{m}$. We give a new direct proof using fixed point method on the existence of singular radially symmetric forward…

偏微分方程分析 · 数学 2025-06-16 Kin Ming Hui , Jongmyeong Kim

We investigate the linear stability analysis of a pathway-based diffusion model (PBDM), which characterizes the dynamics of the engineered Escherichia coli populations [X. Xue and C. Xue and M. Tang, P LoS Computational Biology, 14 (2018),…

数值分析 · 数学 2023-04-03 Yaming Zhang , Ning Jiang , Jiangyan Liang , Yi-Long Luo , Min Tang

The dynamics and stability of multi-spot patterns to the Gray-Scott (GS) reaction-diffusion model in a two-dimensional domain is studied in the singularly perturbed limit of small diffusivity $\epsilon$ of one of the two solution…

斑图形成与孤子 · 物理学 2010-09-16 Wan Chen , Michael J. Ward

We develop a complete stability theory for two-dimensional periodic traveling waves of reaction-diffusion systems. More precisely, we identify a diffusive spectral stability assumption, prove that it implies nonlinear stability and provide…

偏微分方程分析 · 数学 2024-08-28 Benjamin Melinand , L. Miguel Rodrigues

In this note we provide some precise estimates explaining the diffusive structure of partially dissipative systems with time-dependent coefficients satisfying a uniform Kalman rank condition. Precisely, we show that under certain (natural)…

偏微分方程分析 · 数学 2014-02-26 Jens Wirth
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