Results 11 to 20 of about 269 (55)

Asymptotic stability of solutions for a diffusive epidemic model

open access: yesDemonstratio Mathematica, 2022
The aim of this paper is to study the existence and the asymptotic stability of solutions for an epidemiologically emerging reaction-diffusion model. We show that the model has two types of equilibrium points to resolve the proposed system for a fairly ...
Bouaziz Khelifa   +2 more
doaj   +1 more source

Asymptotic stability of an epidemiological fractional reaction-diffusion model

open access: yesDemonstratio Mathematica, 2023
The aim of this article is to study the known susceptible-infectious (SI) epidemic model using fractional order reaction-diffusion fractional partial differential equations [FPDEs] in order to better describe the dynamics of a reaction-diffusion SI with ...
Djebara Lamia   +2 more
doaj   +1 more source

Properties of generalized degenerate parabolic systems

open access: yesAdvances in Nonlinear Analysis, 2022
In this article, we consider the parabolic system (ui)t=∇⋅(mUm−1A(∇ui,ui,x,t)+ℬ(ui,x,t)),(1≤i≤k){({u}^{i})}_{t}=\nabla \cdot (m{U}^{m-1}{\mathcal{A}}(\nabla {u}^{i},{u}^{i},x,t)+{\mathcal{ {\mathcal B} }}({u}^{i},x,t)),\hspace{1.0em}(1\le i\le k) in the ...
Kim Sunghoon, Lee Ki-Ahm
doaj   +1 more source

Global Existence for some Cross Diffusion Systems with Equal Cross Diffusion/Reaction Rates

open access: yesAdvanced Nonlinear Studies, 2020
We consider some cross diffusion systems which is inspired by models in mathematical biology/ecology, in particular the Shigesada–Kawasaki–Teramoto (SKT) model in population biology.
Le Dung
doaj   +1 more source

Evolution Equations governed by Lipschitz Continuous Non-autonomous Forms [PDF]

open access: yes, 2014
We prove $L^2$-maximal regularity of linear non-autonomous evolutionary Cauchy problem \begin{equation}\label{eq00}\nonumber \dot{u} (t)+A(t)u(t)=f(t) \hbox{ for }\ \hbox{a.e.
Laasri, Hafida, Sani, Ahmed
core   +3 more sources

Random attractors for stochastic two-compartment Gray-Scott equations with a multiplicative noise

open access: yesOpen Mathematics, 2016
In this paper, we consider the existence of a pullback attractor for the random dynamical system generated by stochastic two-compartment Gray-Scott equation for a multiplicative noise with the homogeneous Neumann boundary condition on a bounded domain of
Jia Xiaoyao, Gao Juanjuan, Ding Xiaoquan
doaj   +1 more source

On a 3D isothermal model for nematic liquid crystals accounting for stretching terms [PDF]

open access: yes, 2012
The present contribution investigates the well-posedness of a PDE system describing the evolution of a nematic liquid crystal flow under kinematic transports for molecules of different shapes. More in particular, the evolution of the {\em velocity field}
Cavaterra, Cecilia, Rocca, Elisabetta
core   +1 more source

The fractional Keller-Segel model [PDF]

open access: yes, 2006
The Keller-Segel model is a system of partial differential equations modelling chemotactic aggregation in cellular systems. This model has blowing up solutions for large enough initial conditions in dimensions d >= 2, but all the solutions are regular in
Brenner M P   +9 more
core   +1 more source

Local existence result of the single dopant diffusion including cluster reactions of high order

open access: yesAbstract and Applied Analysis, Volume 6, Issue 1, Page 13-34, 2001., 2001
We consider the pair diffusion process which includes cluster reactions of high order. We are able to prove a local (in time) existence result in arbitrary space dimensions. The model includes a nonlinear system of reaction‐drift‐diffusion equations, a nonlinear system of ordinary differential equations in Banach spaces, and a nonlinear elliptic ...
R. Bader, W. Merz
wiley   +1 more source

A cross-diffusion system derived from a Fokker-Planck equation with partial averaging [PDF]

open access: yes, 2016
A cross-diffusion system for two compoments with a Laplacian structure is analyzed on the multi-dimensional torus. This system, which was recently suggested by P.-L.
Jüngel, Ansgar, Zamponi, Nicola
core   +3 more sources

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