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相关论文: Stationary spatial structures in reaction-subdiffu…

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We investigate a broad family of non weakly reversible stochastically modeled reaction networks (CRN), by looking at their steady-state distributions. Most known results on stationary distributions assume weak reversibility and zero…

概率论 · 数学 2023-02-20 Linard Hoessly , Christian Mazza

The reaction of volatile matter plays an important role in the process of bringing matter from the surface of the planet to the atmosphere. Therefore, by simulating the mixing and chemical reaction process of volatile matter in the…

地球与行星天体物理 · 物理学 2023-01-06 Zihan Huang , Xuewei Yang

This work focuses on dynamics arising from reaction-diffusion equations , where the profile of propagation is no longer characterized by a single front, but by a layer of several fronts which we call a propagating terrace. This means,…

偏微分方程分析 · 数学 2019-06-05 Thomas Giletti , Hiroshi Matano

We prove a contraction in $L^1$ property for the solutions of a nonlinear reaction--diffusion system whose special cases include intercellular transport as well as reversible chemical reactions. Assuming the existence of stationary…

偏微分方程分析 · 数学 2008-08-05 M. Chipot , D. Hilhorst , D. Kinderlehrer , M. Olech

This paper is concerned with the spatio-temporal dynamics of nonnegative bounded entire solutions of some reaction-diffusion equations in R N in any space dimension N. The solutions are assumed to be localized in the past. Under certain…

偏微分方程分析 · 数学 2020-05-18 F. Hamel , H Ninomiya

In this paper we study a convection-reaction-diffusion equation of the form \begin{equation*} u_t=\varepsilon(h(u)u_x)_x-f(u)_x+f'(u), \quad t>0, \end{equation*} with a nonlinear diffusion in a bounded interval of the real line. In…

偏微分方程分析 · 数学 2025-09-10 Alessandro Alla , Alessandra De Luca , Raffaele Folino , Marta Strani

We investigate the stability and nonlinear local dynamics of spectrally stable wave trains in reaction-diffusion systems. For each $N\in\mathbb{N}$, such $T$-periodic traveling waves are easily seen to be nonlinearly asymptotically stable…

偏微分方程分析 · 数学 2021-04-28 Mathew A. Johnson , Wesley R. Perkins

Experimental studies of protein-pattern formation have stimulated new interest in the dynamics of reaction-diffusion systems. However, a comprehensive theoretical understanding of the dynamics of such highly nonlinear, spatially extended…

斑图形成与孤子 · 物理学 2020-11-24 Fridtjof Brauns , Jacob Halatek , Erwin Frey

A space discrete approximation to a highly nonlinear reaction-diffusion system endowed with a stochastic dynamical boundary condition is analyzed and the convergence of the discrete scheme to the solution to the corresponding continuum…

Mass-conserving reaction-diffusion (MCRD) systems are widely used to model phase separation and pattern formation in cell polarity, biomolecular condensates, and ecological systems. Numerical simulations and formal asymptotic analysis…

偏微分方程分析 · 数学 2026-02-09 Xiaoqing He , Quan-Xing Liu , Dong Ye

A zone of reactions is determined and then exploited as a tool in studying the space-time structure of an interacting system formed in a collision of relativistic nuclei. The time dependence of the reaction rates integrated over spatial…

核理论 · 物理学 2015-07-28 Dmitry Anchishkin , Anton Muskeyev , Stanislav Yezhov

In this paper, we are concerned with a reaction diffusion system arising from a nuclear reactor model in bounded domains with nonlinear boundary conditions. We show the existence of a stationary solution and its ordered uniqueness. It is…

偏微分方程分析 · 数学 2018-05-14 Kosuke Kita , Mitsuharu Ôtani , Hiroki Sakamoto

One-dimensional reaction-diffusion models A+A -> 0, A+A -> A, and $A+B -> 0, where in the latter case like particles coagulate on encounters and move as clusters, are solved exactly with anisotropic hopping rates and assuming synchronous…

凝聚态物理 · 物理学 2011-10-26 Vladimir Privman , Antonio M. R. Cadilhe , M. Lawrence Glasser

Diffusion within porous media, such as biological tissues, exhibits departures from conventional Fick's laws, which could result in space-fractional diffusion. The paper considers a reaction-diffusion system with two spatial compartments --…

综合数学 · 数学 2025-11-12 Dimiter Prodanov

The authors investigate the solution of a nonlinear reaction-diffusion equation connected with nonlinear waves. The equation discussed is more general than the one discussed recently by Manne, Hurd, and Kenkre (2000). The results are…

经典分析与常微分方程 · 数学 2009-11-11 R. K. Saxena , A. M. Mathai , H. J. Haubold

We discuss several qualitative properties of the solutions of reaction-diffusion systems and equations of the form $u_t = \epsilon^2 D \Delta u + f(u,x,\epsilon t)$, that are used in modeling pattern formation. We analyze the diffusion…

分子网络 · 定量生物学 2007-05-23 Ovidiu Radulescu , Sergei Vakulenko

We investigate a two-component reaction-diffusion system with a slow-fast structure and spatially varying coefficients $f_1$ and $f_2$ appearing in the slow equation. Under mild boundedness and regularity conditions on $f_1$ and $f_2$ the…

偏微分方程分析 · 数学 2026-03-02 M. Chirilus-Bruckner , L. van Vianen , F. Veerman

Many cellular and subcellular biological processes can be described in terms of diffusing and chemically reacting species (e.g. enzymes). Such reaction-diffusion processes can be mathematically modelled using either deterministic…

生物物理 · 物理学 2015-06-26 Radek Erban , S. Jonathan Chapman

We study the evolution of fronts in a bistable reaction-diffusion system when the nonlinear reaction term is spatially non-homogeneous. This equation has been used to model wave propagation in various biological systems. Extending previous…

斑图形成与孤子 · 物理学 2009-10-31 Horacio G. Rotstein , Anatol M. Zhabotinsky , Irving R. Epstein

We compare reaction-diffusion processes of the $A+A\to 0$ type on scale-free networks created with either the configuration model or the uncorrelated configuration model. We show via simulations that except for the difference in the…

无序系统与神经网络 · 物理学 2009-11-11 Lazaros K. Gallos , Panos Argyrakis