activity
20162025
most citedGlobal classical solutions, stability of constant equilibria, and spreading speeds in attraction-repulsion chemotaxis systems with logistic source on

8 citations · 42 across the 29 of their papers we have counts for

collaborators

29 papers

math.AP2025

Long-time dynamics of a parabolic-ODE SIS epidemic model with saturated incidence mechanism

Rui Peng, Rachidi Salako, Yixiang Wu

In this paper, we investigate a parabolic-ODE SIS epidemic model with no-flux boundary conditions in a heterogeneous environment. The model incorporates a saturated infection mecha…

math.AP2024★ 1 cited

Spatial profiles of a reaction-diffusion epidemic model with nonlinear incidence mechanism and constant total population

Rui Peng, Rachidi B Salako, Yixiang Wu

This paper examines a susceptible-infected-susceptible (SIS) epidemic reaction-diffusion model with no-flux boundary conditions and constant total population. The infection mechani…

math.AP2024

Spatial profiles of a reaction-diffusion epidemic model with nonlinear incidence mechanism and varying total population

Rui Peng, Rachidi B. Salako, Yixiang Wu

This paper considers a susceptible-infected-susceptible (SIS) epidemic reaction-diffusion model with no-flux boundary conditions and varying total population. The interaction of th…

q-bio.PE2024

Dynamics of solutions to a multi-patch epidemic model with a saturation incidence mechanism

Yawo Ezunkpe, Cynthia T. Nnolum, Rachidi B. Salako +1

This study examines the behavior of solutions in a multi-patch epidemic model that includes a saturation incidence mechanism. When the fatality rate due to the disease is not null,…

math.AP2024

Global dynamics of a two-stage structured diffusive population model in time-periodic and spatially heterogeneous environments

H. M. Gueguezo, T. J. Doumatè, R. B. Salako

This work examines the global dynamics of classical solutions of a two-stage (juvenile-adult) reaction-diffusion population model in time-periodic and spatially heterogeneous envir…

math.AP2023★ 1 cited

On degenerate reaction-diffusion epidemic models with mass action or standard incidence mechanism

Rachidi Salako, Yixiang Wu

In this paper, we consider reaction-diffusion epidemic models with mass action or standard incidence mechanism and study the impact of limiting population movement on disease trans…

math.AP2023

Global dynamics of epidemic network models via construction of Lyapunov functions

Rachidi Salako, Yixiang Wu

In this paper, we study the global dynamics of epidemic network models with standard incidence or mass-action transmission mechanism, when the dispersal of either the susceptible o…

math.CA2023

On the dynamics of an epidemic patch model with mass-action transmission mechanism and asymmetric dispersal patterns

Rachidi Salako, Yixiang Wu

This paper examines an epidemic patch model with mass-action transmission mechanism and asymmetric connectivity matrix. Results on the global dynamics of solutions and the spatial…

math.AP2023

Competition-exclusion and coexistence in a two-strain SIS epidemic model in patchy environments

Jonas T. Doumatè, Tahir B. Issa, Rachidi B. Salako

This work examines the dynamics of solutions of a two-strain SIS epidemic model in patchy environments. The basic reproduction number is introduced, and sufficient…

math.AP2023★ 1 cited

Multiplicity of endemic equilibria for a diffusive SIS epidemic model with mass-action

Keoni Castellano, Rachidi B. Salako

We study a diffusive SIS epidemic model with the mass-action transmission mechanism and show, under appropriate assumptions on the parameters, the existence of multiple endemic equ…

math.AP2023

Asymptotic limits of the principal spectrum point of a nonlocal dispersal cooperative system and application to a two-stage structured population model

Maria A. Onyido, Rachidi B. Salako, Markjoe O. Uba +1

This work examines the limits of the principal spectrum point, , of a nonlocal dispersal cooperative system with respect to the dispersal rates. In particular, we provide prec…

math.DS2021

Analysis of a time-delayed HIV/AIDS epidemic model with education campaigns

Dawit Denu, Sedar Ngoma, Rachidi B. Salako

We consider a time-delayed HIV/AIDS epidemic model with education dissemination and study the asymptotic dynamics of solutions as well as the asymptotic behavior of the endemic equ…

math.AP2020★ 1 cited

Traveling wave solutions for two species competitive chemotaxis systems

T. B. Issa, R. B Salako, W. Shen

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 establ…

math.AP2020★ 2 cited

Entire Solutions of Diffusive Lotka-Volterra System

King-Yeung Lam, Rachidi B. Salako, Qiliang Wu

This work is concerned with the existence of entire solutions of the diffusive Lotka-Volterra competition system \begin{equation}\label{eq:abstract} \begin{cases} u_{t}= u_{xx} + u…

math.AP2019

Existence of traveling wave solutions of a deterministic vector-host epidemic model with direct transmission

Dawit Denu, Sedar Ngoma, Rachidi B. Salako

We consider an epidemic model with direct transmission given by a system of nonlinear partial differential equations and study the existence of traveling wave solutions. When the b…

math.AP2019

Dynamics of a parabolic-ODE competition system in heterogeneous environments

Yuan Lou, Rachidi B. Salako

This work is concerned with the large time behavior of the solutions of a parabolic-ODE hybrid system, modeling the competition of two populations which are identical except their…

math.AP2019★ 2 cited

Can chemotaxis speed up or slow down the spatial spreading in parabolic-elliptic Keller-Segel systems with logistic source?

Rachidi B. Salako, Wenxian Shen, Shuwen Xue

The current paper is concerned with the spatial spreading speed and minimal wave speed of the following Keller-Segel chemoattraction system, \begin{equation}\label{abstract-eq1} \b…

math.AP2018

Traveling waves of a full parabolic attraction-repulsion chemotaxis systems with logistic sources

R. B. Salako

In this paper, we study traveling wave solutions of the chemotaxis systems \begin{equation} \begin{cases} u_{t}=Δu -χ_1\nabla( u\nabla v_1)+χ_2 \nabla(u\nabla v_2 )+ u(a -b u), \qq…

math.AP2018★ 2 cited

Parabolic-elliptic chemotaxis model with space-time dependent logistic sources on . III. Transition fronts

R. B. Salako, W. Shen

The current work is the third of a series of three papers devoted to the study of asymptotic dynamics in the space-time dependent logistic source chemotaxis system, $$ \begin{cases…

math.AP2018★ 2 cited

Long time behavior of random and nonautonomous Fisher-KPP equations. Part II. Transition fronts

Rachidi B. Salako, Wenxian Shen

In the current series of two papers, we study the long time behavior of the following random Fisher-KPP equation $$ u_t =u_{xx}+a(θ_tω)u(1-u),\quad x\in\R, \eqno(1) $$ where $ω\inΩ…

math.AP2018★ 3 cited

Long time behavior of random and nonautonomous Fisher-KPP equations. Part I. Stability of equilibria and spreading speeds

Rachidi B. Salako, Wenxian Shen

In the current series of two papers, we study the long time behavior of the following random Fisher-KPP equation where ,…

math.AP2018★ 1 cited

Parabolic-elliptic chemotaxis model with space-time dependent logistic sources on . II. Existence, uniqueness, and stability of strictly positive entire solutions

Rachidi B. Salako, Wenxian Shen

This work is the second of the series of three papers devoted to the study of asymptotic dynamics in the chemotaxis system with space and time dependent logistic source,$$\partial_…

math.AP2017★ 4 cited

Parabolic-elliptic chemotaxis model with space-time dependent logistic sources on . I. Persistence and asymptotic spreading

Rachidi B. Salako, Wenxian Shen

The current series of three papers is concerned with the asymptotic dynamics in the following chemotaxis model $$\partial_tu=Δu-χ\nabla(u\nabla v)+u(a(x,t)-ub(x,t))\ ,\ 0=Δv-λv+μu…

math.AP2017★ 1 cited

Existence of Traveling wave solutions to parabolic-elliptic-elliptic chemotaxis systems with logistic source

Rachidi B. Salako, Wenxian Shen

We study traveling wave solutions of the following chemotaxis systems,$$\begin{cases}u_t=Δu-χ_1\nabla(u\nabla v_1)+χ_2\nabla(u\nabla v_2)+u(a-bu),\ x\in\mathbb{R}^N\\ 0=Δv_1-λ_1v_1…