[HTML][HTML] Existence result of continuous positive solutions for a reaction–diffusion system

M Redjouh, S Djemai, S Mesbahi - Partial Differential Equations in Applied …, 2024 - Elsevier
This paper mainly seeks to contribute to the study of a quasilinear parabolic reaction–
diffusion system of arbitrary order with initial conditions. Using potential analysis techniques …

Global existence of weak solutions for parabolic triangular reaction

W Bouarifi, NE Alaa, S Mesbahi - Annals of the University of Craiova …, 2015 - inf.ucv.ro
Over the years, reaction-diffusion systems have attracted the attention of a great number of
investigators and were successfully developed on the theoretical backgrounds. Not only it …

[PDF][PDF] Mathematical analysis of a reaction diffusion model for image restoration

S Mesbahi, NE Alaa - Annals of the University of Craiova-Mathematics and …, 2015 - inf.ucv.ro
In this paper, we propose a modification and a generalization of the theory developed by P.
Perona and J. Malik for edge detection and image restoration, from the case of a single …

Generalized result on the global existence of positive solutions for a parabolic reaction diffusion model with a full diffusion matrix.

N Barrouk, S Mesbahi - Studia Universitatis Babes-Bolyai …, 2023 - search.ebscohost.com
In this paper, we study the global existence in time of solutions for a parabolic reaction
diffusion model with a full matrix of diffusion coefficients on a bounded domain. The …

On the existence of weak solutions for a class of singular reaction diffusion systems

S Mesbahi - Hacettepe Journal of Mathematics and Statistics, 2022 - dergipark.org.tr
We study the existence of weak solutions for a parabolic reaction diffusion model applied in
Quenching endowed with singular production terms by reaction. The singularity is due to a …

[PDF][PDF] Existence result for positive solution of a degenerate reaction-diffusion system via a method of upper and lower solutions

KI Saffidine, S Mesbahi - Nonlinear Dyn. Syst. Theory, 2021 - opus.lib.uts.edu.au
The aim of this paper is to prove the existence of positive maximal and minimal solutions for
a class of degenerate elliptic reaction-diffusion systems, including the uniqueness of the …

[PDF][PDF] Existence of positive solutions to nonlinear elliptic systems involving gradient term and reaction potential

A Attar, R Bentifour - 2017 - digital.library.txstate.edu
In this note we study the elliptic system-∆ u= zp+ ƒ (x) in Ω,-∆ z=|∇ u| q+ g (x) in Ω, z, u> 0 in
Ω, z= u= 0 on∂ Ω, where Ω⊂ ℝN is a bounded domain, p> 0, 0< q≤ 2 with pq< 1 and ƒ, g …

Mathematical study of some models applied in biology and medicine

HE Kadem - 2023 - dspace.univ-setif.dz
The work constituting this thesis is a contribution to the mathematical modeling and analysis
of certain models applied in biology and medicine. We are interested in studying the …

Generalized Result on Global Existence of Weak Solutions for Parabolic Reaction-Diffusion Systems

A Bennoui, N Barrouk, M Redjouh - International Journal of Analysis …, 2023 - etamaths.com
In this paper, we study global existence of weak solutions for 2× 2 parabolic reaction-
diffusion systems with a full matrix of diffusion coefficients on a bounded domain, such as …

[PDF][PDF] Invariant regions and global existence of uniqueness weak solutions for tridiagonal reaction-diffusion systems

N Barrouk, K Abdelmalek, M Redjouh - MATHEMATICA, 2024 - 193.231.20.99
In this paper we study the existence of uniqueness global weak solutions for m× m reaction-
diffusion systems for which two main properties hold: the positivity of the weak solutions and …