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Related papers: Pattern formation in nonlocal Kondo model

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In this paper, we establish the existence of a positive, bounded solution for a class of parabolic partial differential equations with nonlinear boundary conditions, where the boundary conditions depend on the solution on the boundary at a…

Dynamical Systems · Mathematics 2025-07-15 Gangadhara Boregowda , Michael R. Lindstrom

In this paper the semi-classical approach to the solution of non-linear evolution equation is developed. We found the solution in the entire kinematic region to the non-linear evolution equation that governs the dynamics in the high parton…

High Energy Physics - Phenomenology · Physics 2008-12-22 S. Bondarenko , M. Kozlov , E. Levin

We introduce a topology, which we call the regional topology, on the space of all real functions on a given locally compact metric space. Next we obtain a new versions of Schauder's fixed point theorem and Ascoli's theorem. We use these…

Classical Analysis and ODEs · Mathematics 2014-06-18 Janusz Migda

A feature common to many models of vegetation pattern formation in semi-arid ecosystems is a sequence of qualitatively different patterned states, "gaps -> labyrinth -> spots", that occurs as a parameter representing precipitation…

Pattern Formation and Solitons · Physics 2014-10-10 Karna Gowda , Hermann Riecke , Mary Silber

Spatially localised stationary patterns of arbitrary wide spatial extent emerge from subcritical Turing bifurcations in one-dimensional reaction-diffusion systems. They lie on characteristic bifurcation curves that oscillate around a…

Pattern Formation and Solitons · Physics 2025-01-20 Edgardo Villar-Sepúlveda

Stationary solutions of the Fisher-KPP equation with general nonlinear diffusion and arbitrary reactional kinetic orders terms are characterized. Such stationary (separatrix-like) solutions disjoint the blow-up solutions from those showing…

Analysis of PDEs · Mathematics 2019-11-19 Benito Hernández-Bermejo , Ariel Sánchez-Valdés

This paper studies the asymptotic behavior of coexistence steady states of the Shigesada-Kawasaki-Teramoto model as both cross-diffusion coefficients tend to infinity at the same rate. In the case when either one of two cross-diffusion…

Analysis of PDEs · Mathematics 2020-04-21 Kousuke Kuto

The diffusive Holling-Tanner predator-prey model with no-flux boundary conditions and nonlocal prey competition is considered in this paper. We show the existence of spatial nonhomogeneous periodic solutions, which is induced by nonlocal…

Dynamical Systems · Mathematics 2019-05-22 Shanshan Chen , Junjie Wei , Kaiqi Yang

The Fisher-KPP equation with general nonlinear diffusion and arbitrary kinetic orders in the reaction terms is considered. The existence of oscillatory travelling wave solutions is proved for this model. Conditions for the existence of such…

Analysis of PDEs · Mathematics 2019-10-31 Ariel Sánchez-Valdés , Benito Hernández-Bermejo

This paper studies the existence of multiple non-trivial stationary solutions of a partial differential equation (PDE) model introduced in [3], motivated by collective ant behavior. Previous work suggested the presence of two types of…

Analysis of PDEs · Mathematics 2026-01-26 Matthias Rakotomalala , Oscar de Wit

First, using the uniform decomposition in both physical and frequency spaces, we obtain an equivalent norm on modulation spaces. Secondly, we consider the Cauchy problem for the dissipative evolutionary pseudo-differential equation…

Analysis of PDEs · Mathematics 2017-09-01 Mingjuan Chen , Baoxiang Wang , Shuxia Wang , M. W. Wong

In this paper, the dynamics of a phytoplankton-zooplankton system with linear functional responses are examined. For the continuous-time model, the global asymptotic stability of the fixed points is demonstrated by constructing Lyapunov…

Dynamical Systems · Mathematics 2025-05-16 S. K. Shoyimardonov

In this paper, we present a general framework for constructively proving the existence and stability of stationary localized 1D solutions and saddle-node bifurcations in activator--inhibitor systems using computer-assisted proofs.…

Analysis of PDEs · Mathematics 2026-01-19 Dominic Blanco , Matthieu Cadiot , Daniel Fassler

Throughout developmental biology and ecology, transport can be driven by nonlocal interactions. Examples include cells that migrate based on contact with pseudopodia extended from other cells, and animals that move based on their vision of…

Pattern Formation and Solitons · Physics 2023-07-07 Thomas Jun Jewell , Andrew L. Krause , Philip K. Maini , Eamonn A. Gaffney

We introduce and study a class of free boundary models with "nonlocal diffusion", which are natural extensions of the free boundary models in Du and Lin [17] and elsewhere, where "local diffusion" is used to describe the population…

Analysis of PDEs · Mathematics 2018-10-11 Jiafeng Cao , Yihong Du , Fang Li , Wantong Li

We study the stationary Keller--Segel chemotaxis models with logistic cellular growth over a one-dimensional region subject to the Neumann boundary condition. We show that nonconstant solutions emerge in the sense of Turing's instability as…

Analysis of PDEs · Mathematics 2016-04-19 Qi Wang , Jingda Yan , Chunyi Gai

We develop a unified theoretical framework for the anisotropic Kondo model and the boundary sine-Gordon model. They are both boundary integrable quantum field theories with a quantum-group spin at the boundary which takes values,…

Condensed Matter · Physics 2009-10-28 P. Fendley , F. Lesage , H. Saleur

We study diffusion-type equations supported on structures that are randomly varying in time. After settling the issue of well-posedness, we focus on the asymptotic behavior of solutions: our main result gives sufficient conditions for…

Dynamical Systems · Mathematics 2020-04-28 Stefano Bonaccorsi , Francesca Cottini , Delio Mugnolo

Explicit solutions to the related integrable nonlinear evolution equations are constructed by solving the inverse scattering problem in the reflectionless case for the third-order differential equation $d^3\psi/dx^3+Q\,d\psi/dx+P\psi…

Exactly Solvable and Integrable Systems · Physics 2025-04-30 Tuncay Aktosun , Abdon E. Choque-Rivero , Ivan Toledo , Mehmet Unlu

We consider a reaction-diffusion equation with nonlocal anisotropic diffusion and a linear combination of local and nonlocal monostable-type reactions in a space of bounded functions on $\mathbb{R}^d$. Using the properties of the…

Analysis of PDEs · Mathematics 2018-04-30 Dmitri Finkelshtein , Yuri Kondratiev , Pasha Tkachov