English
Related papers

Related papers: A singular Gierer-Meinhardt system with different …

200 papers

The global analysis of the shadow Gierer-Meinhardt system with multiplicative white noise and general linear boundary conditions is investigated in this paper. For this reaction-diffusion system, we employ a fixed point argument to prove…

Analysis of PDEs · Mathematics 2021-09-13 Kwadwo Antwi-Fordjour , Seonguk Kim , Marius Nkashama

A reaction-diffusion system exhibiting Turing's diffusion driven instability is considered. The equation for an activator is supplemented by unilateral terms of the type $s_{-}(x)u^{-}$, $s_{+}(x)u^{+}$ describing sources and sinks active…

Analysis of PDEs · Mathematics 2018-07-25 Martin Fencl , Milan Kučera

The structure, linear stability, and dynamics of localized solutions to singularly perturbed reaction-diffusion equations has been the focus of numerous rigorous, asymptotic, and numerical studies in the last few decades. However, with a…

Pattern Formation and Solitons · Physics 2021-03-31 Daniel Gomez , Juncheng Wei

Numerical simulations of classical pattern forming reaction-diffusion systems indicate that they often operate in the strongly nonlinear regime, with the final steady-state consisting of a spatially repeating pattern of localized spikes. In…

Pattern Formation and Solitons · Physics 2021-04-28 Paul C Bressloff

We consider positive solutions of the stationary Gierer-Meinhardt system. Under suitable conditions on the exponents $p,q,r$ and $s$, different types of a priori estimates are obtained, existence and non-existence results of nontrivial…

Analysis of PDEs · Mathematics 2007-05-23 Huiqiang Jiang , Wei-Ming Ni

We study existence and uniqueness of solutions to a class of nonlinear degenerate parabolic equations, in bounded domains. We show that there exists a unique solution which satisfies possibly inhomogeneous Dirichlet boundary conditions. To…

Analysis of PDEs · Mathematics 2014-12-08 Fabio Punzo , Marta Strani

The purpose of the current paper is to contribute to the comprehension of the dynamics of the shadow system of an activator-inhibitor system known as a Gierer-Meinhardt model. Shadow systems are intended to work as an intermediate step…

Analysis of PDEs · Mathematics 2017-04-05 Nikos I. Kavallaris , Takashi Suzuki

The main purpose of the current paper is to contribute towards the comprehension of the dynamics of the shadow system of a singular Gierer-Meinhardt model on an isotropically evolving domain. In the case where the inhibitor's response to…

Analysis of PDEs · Mathematics 2019-03-26 Nikos. I. Kavallaris , Raquel Barreira , Anotida Madzvamuse

We revisit the propagation of classical scalar fields in a spacetime which is asymptotically anti-de Sitter. The lack of global hyperbolicity of the underlying background gives rise to an ambiguity in the dynamical evolution of solutions of…

General Relativity and Quantum Cosmology · Physics 2022-04-07 Christyan C. de Oliveira , Ricardo A. Mosna , João Paulo M. Pitelli

We consider the Gierer-Meinhardt system with small inhibitor diffusivity and very small activator diffusivity in a bounded and smooth two-dimensional domain. For any given positive integer $k$ we construct a spike cluster consisting of $k$…

Analysis of PDEs · Mathematics 2017-05-24 Weiwei Ao , Juncheng Wei , Matthias Winter

A fundamental example of reaction-diffusion system exhibiting Turing type pattern formation is the Gierer-Meinhardt system, which reduces to the shadow Gierer-Meinhardt problem in a suitable singular limit. Thanks to its applicability in a…

Classical Analysis and ODEs · Mathematics 2026-04-10 Annalisa Iuorio , Christian Kuehn

We study the global existence of solutions to a class of nonlocal Geirer-Meinhardt system. This is a two component reaction-diffusion model on a bounded domain in $\mathbb{R}^n$, $n \ge 1$, with nonlocal diffusion given by a nonlocal…

Analysis of PDEs · Mathematics 2025-10-10 Md Shah Alam

We establish the existence of multiple solutions for Gierer-Meinhardt system involving Neumann boundary conditions. The approach combines the methods of sub-supersolution and Leray-Schauder topological degree.

Analysis of PDEs · Mathematics 2022-12-08 Abdelkrim Moussaoui

We establish existence and uniqueness results for nonlinear elliptic Dirichlet boundary value problems on n-dimensional time scale domains. Time scales provide a unified framework that encompasses continuous, discrete, and hybrid settings.…

Analysis of PDEs · Mathematics 2026-02-12 Shalmali Bandyopadhyay , F. Ayça Çetinkaya , Tom Cuchta

In this paper, we deal with the initial value problem for a class of fully nonlinear parabolic equations with a singular Dirichlet boundary condition in one space dimension. The interior equation includes, for example, a fully nonlinear…

Analysis of PDEs · Mathematics 2025-06-10 Takashi Kagaya

We study a class of nonlinear schr\"{o}dinger system with external sources terms as perturbations in order to obtain existence of multiple solutions, this system arises from Bose-Einstein condensates etc..As these external sources terms are…

Analysis of PDEs · Mathematics 2014-06-19 Zexin Qi , Zhitao Zhang

We study uniqueness of Dirichlet problems of second order divergence-form elliptic systems with transversally independent coefficients on the upper half-space in absence of regularity of solutions. To this end, we develop a substitute for…

Analysis of PDEs · Mathematics 2021-08-18 Pascal Auscher , Moritz Egert

This paper is concerned with the Riemann problem of one-dimensional Euler equations with a singular source. The exact solution of this Riemann problem contains a stationary discontinuity induced by the singular source, which is different…

Analysis of PDEs · Mathematics 2022-03-10 Changsheng Yu , Tiegang Liu , Chengliang Feng

We carry out an investigation of the existence of infinitely many solutions to a fractional $p$-Kirchhoff type problem with a singularity and a superlinear nonlinearity with a homogeneous Dirichlet boundary condition. Further the…

Analysis of PDEs · Mathematics 2021-02-24 Debajyoti Choudhuri

This paper concerns elliptic systems of $p$-Laplace type with complex valued coefficient and source term. We extend the real valued theory of the elliptic $p$-Laplace equation to the complex valued case. We establish the existence and…

Analysis of PDEs · Mathematics 2025-03-25 Wontae Kim , Matias Vestberg
‹ Prev 1 2 3 10 Next ›