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This paper deals with convergence of a solution for the parabolic-parabolic Keller-Segel system \[ (u_\lambda)_t = \Delta u_\lambda - \chi \nabla \cdot (u_\lambda \nabla v_\lambda), \quad \lambda (v_\lambda)_t = \Delta v_\lambda - v_\lambda…

Analysis of PDEs · Mathematics 2018-06-27 Masaaki Mizukami

We consider the parabolic chemotaxis model \[ u_t=\Delta u - \chi \nabla\cdot(\frac uv \nabla v), \qquad\qquad v_t=\Delta v - v + u\] in a smooth, bounded, convex two-dimensional domain and show global existence and boundedness of solutions…

Analysis of PDEs · Mathematics 2016-04-20 Johannes Lankeit

This paper deals with the quasilinear fully parabolic attraction-repulsion chemotaxis system \begin{align*} u_t=\nabla \cdot (D(u)\nabla u) -\nabla \cdot (G(u)\chi(v)\nabla v) +\nabla\cdot(H(u)\xi(w)\nabla w), \quad v_t=d_1\Delta v+\alpha…

Analysis of PDEs · Mathematics 2021-08-10 Yutaro Chiyo , Tomomi Yokota

In this paper we study the existence of solutions of a parabolic-elliptic system of partial differential equations describing the behaviour of a biological species $u$ and a chemical stimulus $v$ in a bounded and regular domain $\Omega$ of…

Analysis of PDEs · Mathematics 2024-09-17 Silvia Sastre-Gomez , J. Ignacio Tello

This paper deals with convergence of solutions to a class of parabolic Keller-Segel systems, possibly coupled to the (Navier-)Stokes equations in the framework of the full model \begin{eqnarray*} \left\{ \begin{array}{lcl} \, \, \partial_t…

Analysis of PDEs · Mathematics 2018-05-15 Yulan Wang , Michael Winkler , Zhaoyin Xiang

This paper deals with the long-term behavior of positive solutions for the following parabolic-elliptic chemotaxis competition system with weak singular sensitivity and logistic source \begin{equation} \label{abstract-eq} \begin{cases}…

Analysis of PDEs · Mathematics 2025-11-11 Halil ibrahim Kurt

In this paper, we consider the following parabolic-parabolic-elliptic system } \begin{align*} \left\{\aligned & u_t=\Delta u-\nabla\cdot(u\nabla v)+\xi\nabla\cdot(u\nabla w)+au-\mu u^{\alpha}, && x\in\Omega, t>0,\\ & v_t=\Delta…

Analysis of PDEs · Mathematics 2024-05-28 Fengxiang Zhao , Jiashan Zheng , Kaiqiang Li

This paper deals with the problem of global solvability and boundedness of classical solutions to a fully parabolic chemotaxis system with singular sensitivity in any dimensional setting. In particular, We show that the system…

Analysis of PDEs · Mathematics 2026-02-13 Minh Le

In this paper, we study the spreading speeds and traveling wave solutions of the PDE $$ \begin{cases} u_{t}= \Delta u-\chi \nabla \cdot (u \nabla v) + u(1-u),\ \ x\in\mathbb{R}^N 0=\Delta v-v+u, \ \ x\in\mathbb{R}^N, \end{cases} $$ where…

Dynamical Systems · Mathematics 2016-12-07 Rachidi Salako , Wenxian Shen

This paper deals with the following parabolic-elliptic chemotaxis system with singular sensitivity and logistic source, \begin{equation} \begin{cases} u_t=\Delta u-\chi\nabla\cdot (\frac{u}{v} \nabla v)+u(a(t,x)-b(t,x) u), & x\in \Omega,\cr…

Analysis of PDEs · Mathematics 2024-03-05 Halil Ibrahim Kurt , Wenxian Shen

We consider a second order PDEs system of Parabolic-Elliptic type with chemotactic terms. The system describes the evolution of a biological species "$u$" moving towards a higher concentration of a chemical stimuli "$v$" in a bounded and…

Analysis of PDEs · Mathematics 2021-11-08 M. Negreanu , J. Ignacio Tello

We consider a Parabolic-Elliptic system of PDE's with a chemotactic term in a $N$-dimensional unit ball describing the behavior of the density of a biological species "$u$" and a chemical stimulus "$v$". The system includes a nonlinear…

Analysis of PDEs · Mathematics 2021-11-08 J. Ignacio Tello

We study, in Part I of this series, boundedness and global existence of positive classical solutions to a parabolic-elliptic chemotaxis system with signal-dependent sensitivity and a logistic-type source on a bounded smooth domain…

Analysis of PDEs · Mathematics 2025-12-18 Le Chen , Ian Ruau , Wenxian Shen

This paper is concerned with radially symmetric solutions of the parabolic-elliptic version of the Keller-Segel system with flux limitation, as given by \begin{equation} \left\{ \begin{array}{l} \displaystyle u_t=\nabla \cdot…

Analysis of PDEs · Mathematics 2016-06-22 Nicola Bellomo , Michael Winkler

In this paper, we are concerned with a quasi-linear hyperbolic-parabolic system of persistence and endogenous chemotaxis modelling vasculogenesis in $\mathbb{R}$. Under some suitable structural assumption on the pressure function, we first…

Analysis of PDEs · Mathematics 2021-11-18 Qingqing Liu , Hongyun Peng , Zhi-An Wang

This paper considers the dynamics of the following chemotaxis system $$ \begin{cases} u_t=\Delta u-\chi\nabla (u\cdot \nabla v)+u\left(a_0(t,x)-a_1(t,x)u-a_2(t,x)\int_{\Omega}u\right),\quad x\in \Omega\cr 0=\Delta v+ u-v,\quad x\in \Omega…

Analysis of PDEs · Mathematics 2017-01-13 Tahir Bachar Issa , Wenxian Shen

This work studies the following system of parabolic partial differential equations \begin{equation*} \begin{cases} \displaystyle \frac{\partial u}{\partial t} = D\Delta u + \chi \nabla \cdot(u \nabla v) + ru(1-u) - u v, \quad & x \in…

Analysis of PDEs · Mathematics 2025-11-11 Federico Herrero-Hervás , Mihaela Negreanu

We consider a parabolic-elliptic system of partial differential equations with chemotaxis and logistic growth given by the system $$ \left\{ \begin{array}{l} u_t -\Delta (u \gamma(v)= \mu u(1-u), \\ - \Delta v +v=u, \end{array} \right. $$…

Analysis of PDEs · Mathematics 2021-11-15 J. Ignacio Tello

This paper is concerned with a three-component chemotaxis model accounting for indirect signal production,reading as $u_t = \nabla\cdot(\nabla u - u\nabla v)$,$v_t = \Delta v - v + w$ and $0 = \Delta w - w + u$,posed in a ball of $\mathbb…

Analysis of PDEs · Mathematics 2026-01-06 Xuan Mao , Yuxiang Li

In this paper, we study the following chemotaxis--haptotaxis system with (generalized) logistic source $$ \left\{\begin{array}{ll} u_t=\Delta u-\chi\nabla\cdot(u\nabla v)- \xi\nabla\cdot(u\nabla w)+u(a-\mu u^{r-1}-w),…

Analysis of PDEs · Mathematics 2018-10-25 Jiashan Zheng
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