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This paper is to investigate the control problem of maximizing the net benefit of a single species while the cost of the resource allocation is minimized in a population model which can be described by a reaction diffusion advection…

最优化与控制 · 数学 2019-01-01 Lianzhang Bao , Huilai Li , Haojian Liang , Guangliang Zhao

We study the decay process for the reaction-diffusion process of three species on the small-world network. The decay process is manipulated from the deterministic rate equation of three species in the reaction-diffusion system. The particle…

统计力学 · 物理学 2007-05-23 Kyungsik Kim , K. H. Chang , M. -K. Yum , J. S. Choi , T. Odagaki

We investigate the asymptotic behavior of the a large class of reversible chemical reaction-diffusion equations with the same diffusion. In particular we prove the optimal rate in two cases : when there is no diffusion and in the classical…

概率论 · 数学 2010-07-28 Ivan Gentil , Boguslaw Zegarlinski

We consider a system of reaction-diffusion equations with passive advection term and Lewis number not equal to one. Such systems are used to describe chemical reactions in a flow in a situation where temperature and material diffusivities…

混沌动力学 · 物理学 2009-10-31 Alexander Kiselev , Leonid Ryzhik

We consider the approximation in the reaction-diffusion norm with continuous finite elements and prove that the best error is equivalent to a sum of the local best errors on pairs of elements. The equivalence constants do not depend on the…

数值分析 · 数学 2018-03-07 Francesca Tantardini , Andreas Veeser , R"udiger Verf"urth

In this paper, we show that unbalanced optimal transport provides a convenient framework to handle reaction and diffusion processes in a unified metric framework. We use a constructive method, alternating minimizing movements for the…

偏微分方程分析 · 数学 2017-04-18 Thomas Gallouët , Maxime Laborde , Léonard Monsaingeon

Reaction-advection-diffusion equations, in periodic settings and with general type nonlinearities, admit a threshold known as the minimal speed of propagation. The minimal speed does not have an accessible formula when the nonlinearity is…

偏微分方程分析 · 数学 2020-01-17 Mohammad El Smaily , Chunhua Ou

We establish an explicit rate of convergence for some systems of mean-field interacting diffusions with logistic binary branching towards the solutions of nonlinear evolution equations with non-local self-diffusion and logistic mass growth,…

概率论 · 数学 2021-09-29 Joaquín Fontbona , Felipe Muñoz-Hernández

Distribution-on-distribution regression considers the problem of formulating and estimating a regression relationship where both covariate and response are probability distributions. The optimal transport distributional regression model…

统计理论 · 数学 2022-06-06 Laya Ghodrati , Victor M. Panaretos

Patterns of different symmetries may arise after solution to reaction-diffusion equations. Hexagonal arrays, layers and their perturbations are observed in different models after numerical solution to the corresponding initial-boundary…

软凝聚态物质 · 物理学 2015-09-10 Vladimir Mityushev

Spatio-temporal biochemical signaling in a large class of protein-protein interaction networks is well modeled by a reaction-diffusion system. The global existence of the solution to the reaction-diffusion system is determined by the…

最优化与控制 · 数学 2013-08-09 Insoon Yang , Claire J. Tomlin

Network growth as described by the Duplication-Divergence model proposes a simple general idea for the evolution dynamics of natural networks. In particular it is an alternative to the well known Barab\'asi-Albert model when applied to…

Optimal extinction rates near the extinction time are derived for non-negative solutions to a fast diffusion equation with strong absorption, the power of the absorption exceeding that of the diffusion.

偏微分方程分析 · 数学 2018-05-30 Razvan Iagar , Philippe Laurençot

We consider a reaction-diffusion model with a drift term in a bounded domain. Given a time $T,$ we prove the existence and uniqueness of an initial datum that maximizes the total mass $\textstyle{\int_\Omega u(T,x)\mathrm{d}x}$ in the…

偏微分方程分析 · 数学 2022-03-29 Omar Abdul Halim , Mohammad El Smaily

In this paper, we study the diffusion approximation for singularly perturbed stochastic reaction-diffusion equation with a fast oscillating term. The asymptotic limit for the original system is obtained, where an extra Gaussian term…

概率论 · 数学 2021-06-08 Longjie Xie , Li Yang

The reaction-diffusion master equation (RDME) is a lattice stochastic reaction-diffusion model that has been used to study spatially distributed cellular processes. The RDME is often interpreted as an approximation to spatially-continuous…

数值分析 · 数学 2013-08-05 Samuel A Isaacson

In this paper we investigate the numerical approximation of the fractional diffusion, advection, reaction equation on a bounded interval. Recently the explicit form of the solution to this equation was obtained. Using the explicit form of…

数值分析 · 数学 2020-02-07 Xiangcheng Zheng , V. J. Ervin , Hong Wang

By considering the master equation of the partially asymmetric diffusion process on a one-dimensional lattice, the most general boundary condition (i.e. interactions) for the multi-species reaction-diffusion processes is considered.…

统计力学 · 物理学 2009-11-11 M. Alimohammadi , Y. Naimi

The spatially distributed reaction networks are indispensable for the understanding of many important phenomena concerning the development of organisms, coordinated cell behavior, and pattern formation. The purpose of this brief discussion…

最优化与控制 · 数学 2013-05-15 Marko Seslija , Jacquelien M. A. Scherpen , Arjan van der Schaft

Optimal percolation is the problem of finding the minimal set of nodes such that if the members of this set are removed from a network, the network is fragmented into non-extensive disconnected clusters. The solution of the optimal…

物理与社会 · 物理学 2018-03-02 Saeed Osat , Ali Faqeeh , Filippo Radicchi
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