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We introduce and analyze a nonlocal version of the one-phase Stefan problem in which, as in the classical model, the rate of growth of the volume of the liquid phase is proportional to the rate at which energy is lost through the…

Analysis of PDEs · Mathematics 2018-05-09 Carmen Cortázar , Fernando Quirós , Noemí Wolanski

To understand the spreading and interaction of prey and predator, in this paper we study the dynamics of the diffusive Lotka-Volterra type prey-predator model with different free boundaries. These two free boundaries, which may intersect…

Analysis of PDEs · Mathematics 2017-10-02 Mingxin Wang , Yang Zhang

A horizontal $N$-dimensional plane, having a diffusion of its own, exchanges with the lower half space. There, a reaction-diffusion process, modelled by a free boundary problem, takes place. We wish to understand whether, and how, the free…

Analysis of PDEs · Mathematics 2022-12-21 Luis A. Caffarelli , Jean-Michel Roquejoffre , Ignacio Tomasetti

In this paper we investigate two free boundary problems for a Lotka-Volterra type competition model in one space dimension. The main objective is to understand the asymptotic behavior of the two competing species spreading via a free…

Analysis of PDEs · Mathematics 2015-06-18 Mingxin Wang , Jingfu Zhao

Predicting the evolution of expanding population is critical to control biological threats such as invasive species and virus explosion. In this paper, we consider a two species chemotaxis system of parabolic-parabolic-elliptic type with…

Analysis of PDEs · Mathematics 2021-02-22 Lianzhang Bao , Wenxian Shen

According to the World Health Organization the global incidence rate of dengue infections have risen drastically in recent years. It is estimated that globally the number of new infections is in the range of $100$ to $400$ million per…

Populations and Evolution · Quantitative Biology 2021-11-09 Jozsef Z. Farkas , Stephen A. Gourley , Rongsong Liu

In the fight against vector-borne arboviruses, an important strategy of control of epidemic consists in controlling the population of vector, \textit{Aedes} mosquitoes in this case. Among possible actions, two techniques consist in…

Analysis of PDEs · Mathematics 2019-01-18 Luís Almeida , Michel Duprez , Yannick Privat , Nicolas Vauchelet

Consider a finite system of diffusing particles coupled through a reactive boundary. Each particle is reflected, but may react with the boundary according to a killing mechanism which depends on the current reactivity of the boundary and…

Probability · Mathematics 2026-05-20 Eliana Fausti , Andreas Sojmark

We consider a moving boundary mathematical model of biological invasion. The model describes the spatiotemporal evolution of two adjacent populations: each population undergoes linear diffusion and logistic growth, and the boundary between…

Populations and Evolution · Quantitative Biology 2023-09-06 Matthew J Simpson , Nizhum Rahman , Scott W McCue , Alexander KY Tam

We study the spreading speed of a diffusive epidemic model proposed by Li et al. \cite{LL}, where the Stefan boundary condition is imposed at the right boundary, and the left boundary is subject to the homogeneous Dirichlet and Neumann…

Analysis of PDEs · Mathematics 2024-07-15 Xueping Li , Lei Li , Mingxin Wang

In this article we investigate two free boundary problems for a Lotka-Volterra competition system in a higher space dimension with sign-changing coefficients. One may be viewed as describing how two competing species invade if they occupy…

Analysis of PDEs · Mathematics 2015-04-13 Yonggang Zhao , Mingxin Wang

In this paper we investigate a free boundary problem for a predator-prey model with double free boundaries in one space dimension. This system models the expanding of an invasive or new predator species in which the free boundaries…

Dynamical Systems · Mathematics 2014-05-08 Mingxin Wang , Jingfu Zhao

The present paper is devoted to the investigation of the long time dynamics for a double free boundary system with nonlocal diffusions, which models the infectious diseases transmitted via digestive system such as fecal-oral diseases,…

Dynamical Systems · Mathematics 2021-06-10 Thanh-Hieu Nguyen , Hoang-Hung Vo

This paper deals with a free boundary problem of the Lotka-Volterra type prey-predator model with variable intrinsic growth rate for predator over a one dimensional habitat, in which the free boundary represents the spreading front and is…

Dynamical Systems · Mathematics 2014-03-07 Mingxin Wang

Vector control plays a central role in the fight against vector-borne diseases and, in particular, arboviruses. The use of the endosymbiotic bacterium Wolbachia has proven effective in preventing the transmission of some of these viruses…

Analysis of PDEs · Mathematics 2020-04-07 Luis Almeida , Jesús Bellver , Michel Duprez , Yannick Privat

In this article, we investigate a competitive reaction-diffusion system modelling the interaction between several species of mosquitoes. In particular, it has been observed that in tropical regions, Aedes aegypti mosquitoes are well…

Analysis of PDEs · Mathematics 2024-05-24 Ben Samia , Mohamed Lazhar Tayeb , Nicolas Vauchelet

This paper investigates the long-time dynamics of a nonlocal epidemic model with free boundaries, where a pathogen with density $u(t,x)$ and the infected humans with density $v(t,x)$ evolve according to a reaction-diffusion system with…

Analysis of PDEs · Mathematics 2026-02-06 Yao Chen , Yihong Du , Wan-Tong Li , Rong Wang

This paper is concerned with a Lotka-Volterra type competition model with free boundaries in time-periodic environment. One species is assumed to adopt nonlocal dispersal and the other one adopts mixed dispersal, which is a combination of…

Analysis of PDEs · Mathematics 2021-01-21 Qiaoling Chen , Fengquan Li , Sanyi Tang , Feng Wang

In order to prevent the propagation of human diseases transmitted by mosquitoes (such as dengue or zika), one possible solution is to act directly on the mosquito population. In this work, we consider an invasive species (the mosquitoes)…

Analysis of PDEs · Mathematics 2021-06-22 Luis Almeida , Alexis Leculier , Nicolas Vauchelet

We introduce and investigate a series of models for an infection of a diplodiploid host species by the bacterial endosymbiont \textit{Wolbachia}. The continuous models are characterized by partial vertical transmission, cytoplasmic…

Classical Analysis and ODEs · Mathematics 2019-03-25 Jozsef Z. Farkas , Peter Hinow