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This paper is concerned with the existence of traveling wave solutions for diffusive two-species Lotka-Volterra systems with delay in both the reaction and diffusion terms without monotonicity. We extend the partial or cross monotone…

偏微分方程分析 · 数学 2023-03-21 William Barker

This paper is concerned with the traveling waves of delayed reaction-diffusion systems where the reaction function possesses the mixed quasimonotonicity property. By the so-called monotone iteration scheme and Schauder's fixed point…

偏微分方程分析 · 数学 2010-07-21 Canrong Tian , Zhigui Lin

We investigate traveling wave solutions in the two-species reaction-diffusion Lotka-Volterra competition system under weak competition. For the strict weak competition regime $(b<a<1/c,\,d>0)$, we construct refined upper and lower solutions…

偏微分方程分析 · 数学 2026-03-26 Chiun-Chuan Chen , Ting-Yang Hsiao , Shun-Chieh Wang

This paper is concerned with the traveling wave solutions for integro-difference systems of higher order. By using Schauder fixed point theorem, the existence of traveling wave solutions is reduced to the existence of generalized upper and…

动力系统 · 数学 2014-02-19 Guo Lin

This paper is concerned with traveling waves to an diffusive SIR model with delay placed in the diffusion terms as well as nonlinear incidence rate with delay. Using a cross iteration scheme and partial monotone conditions it will be shown…

动力系统 · 数学 2023-10-24 William Kyle Barker

We give sufficient conditions for the existence of positive travelling wave solutions for multi-dimensional autonomous reaction-diffusion systems with distributed delay. To prove the existence of travelling waves, we give an abstract…

经典分析与常微分方程 · 数学 2015-03-17 Teresa Faria , Sergei Trofimchuk

We study the existence of monotone traveling wave solutions in a class of nonclassical diffusion equations that include both standard diffusion and a higher-order mixed space-time dispersive term. The reaction term is nonlinear and subject…

偏微分方程分析 · 数学 2025-10-28 William Barker , Le Xuan Dong , Vu Trong Luong , Nguyen Duong Toan

This paper studies the traveling wave solutions to a three species competition cooperation system. The existence of the traveling waves is investigated via monotone iteration method. The upper and lower solutions come from either the waves…

偏微分方程分析 · 数学 2013-01-25 Xiaojie Hou , Yi Li

This paper is concerned with the traveling wave solutions of a reaction-diffusion equation with state-dependent delay. When the birth function is monotone, the existence and nonexistence of monotone traveling wave solutions are established.…

动力系统 · 数学 2014-10-14 Guo Lin , Haiyan Wang

We study the existence of traveling waves of reaction-diffusion systems with delays in both diffusion and reaction terms of the form $\partial u(x,t)/\partial t = \Delta u(x,t-\tau_1)+f(u(x,t),u(x,t-\tau_2))$, where $\tau_1,\tau_2$ are…

动力系统 · 数学 2026-04-23 William Barker , Nguyen Van Minh

We consider the reaction-diffusion competition system in the so-called {\it critical competition case}. The associated ODE system then admits infinitely many equilibria, which makes the analysis intricate. We first prove the non-existence…

偏微分方程分析 · 数学 2021-10-01 Matthieu Alfaro , Dongyuan Xiao

In this paper we will establish nonlinear a priori lower and upper bounds for the solutions to a large class of equations which arise from the study of traveling wave solutions of reaction-diffusion equations, and we will apply our…

偏微分方程分析 · 数学 2019-07-15 Li-Chang Hung , Xian Liao

In this paper we are concerned with the entire solutions for the classical competitive Lotka-Volterra system with diffusion in the weak competition. For this purpose we firstly analyze the asymptotic behavior of traveling front solutions…

动力系统 · 数学 2017-05-25 Yang Wang , Xiong Li

We study a diffusive Lotka-Volterra competition system with advection under Neumann boundary conditions. Our system models a competition relationship that one species escape from the region of high population density of their competitors in…

偏微分方程分析 · 数学 2015-05-28 Chunyi Gai , Qi Wang , Jingda Yan

In this paper we revisit the existence of traveling waves for delayed reaction diffusion equations by the monotone iteration method. We show that Perron Theorem on existence of bounded solution provides a rigorous and constructive framework…

动力系统 · 数学 2008-01-08 Amin Boumenir , Nguyen Van Minh

e study the minimal wave speed and the asymptotics of the traveling wave solutions of a competitive Lotka Volterra system. The existence of the traveling wave solutions is derived by monotone iteration. The asymptotic behaviors of the wave…

偏微分方程分析 · 数学 2010-02-16 Xiaojie Hou

The paper is devoted to a reaction-diffusion equation with delay arising in modelling the immune response. We prove the existence of travelling waves in the bistable case using the Leray-Schauder method. In difference with the previous…

偏微分方程分析 · 数学 2018-02-19 Sergei Trofimchuk , Vitaly Volpert

A modified method of functional constraints is used to construct the exact solutions of nonlinear equations of reaction-diffusion type with delay and which are associated with variable coefficients. This study considers a most generalized…

可精确求解与可积系统 · 物理学 2021-10-26 M. O. Aibinu , S. C. Thakur , S. Moyo

In this paper, we consider two species chemotaxis systems with Lotka-Volterra competition reaction terms. Under appropriate conditions on the parameters in such a system, we establish the existence of traveling wave solutions of the system…

偏微分方程分析 · 数学 2020-10-23 T. B. Issa , R. B Salako , W. Shen

We investigate the traveling front solutions of a nonlocal Lotka Volterra system to illustrate the outcome of the competition between two species. The existence of the front solution is obtained through a new monotone iteration scheme, the…

动力系统 · 数学 2013-06-24 Xiaojie hou , Biao Wang , Zhence Zhang
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