Bistability, wave pinning and localisation in natural reaction–diffusion systems
AR Champneys, F Al Saadi, VF Breña–Medina… - Physica D: Nonlinear …, 2021 - Elsevier
A synthesis is presented of recent work by the authors and others on the formation of
localised patterns, isolated spots, or sharp fronts in models of natural processes governed …
localised patterns, isolated spots, or sharp fronts in models of natural processes governed …
Numerical Results for Snaking of Patterns over Patterns in Some 2D Selkov--Schnakenberg Reaction-Diffusion Systems
H Uecker, D Wetzel - SIAM Journal on Applied Dynamical Systems, 2014 - SIAM
For a Selkov--Schnakenberg model as a prototype reaction-diffusion system on two
dimensional domains, we use the continuation and bifurcation software\tt pde2path to …
dimensional domains, we use the continuation and bifurcation software\tt pde2path to …
Approximate localised dihedral patterns near a Turing instability
Fully localised patterns involving cellular hexagons or squares have been found
experimentally and numerically in various continuum models. However, there is currently no …
experimentally and numerically in various continuum models. However, there is currently no …
Stationary non-radial localized patterns in the planar Swift-Hohenberg PDE: constructive proofs of existence
M Cadiot, JP Lessard, JC Nave - Journal of Differential Equations, 2025 - Elsevier
In this paper, we present a methodology for establishing constructive proofs of existence of
smooth, stationary, non-radial localized patterns in the planar Swift-Hohenberg equation …
smooth, stationary, non-radial localized patterns in the planar Swift-Hohenberg equation …
Dihedral rings of patterns emerging from a Turing bifurcation
Collective organisation of patterns into ring-like configurations has been well-studied when
patterns are subject to either weak or semi-strong interactions. However, little is known …
patterns are subject to either weak or semi-strong interactions. However, little is known …
On periodically modulated rolls in the generalized Swift–Hohenberg equation: Galerkin'approximations
NE Kulagin, LM Lerman - Physica D: Nonlinear Phenomena, 2023 - Elsevier
We study in this paper the existence of periodically modulated in one variable and localized
in another variable solutions to the cubic Swift–Hohenberg equation on the plane R 2. In the …
in another variable solutions to the cubic Swift–Hohenberg equation on the plane R 2. In the …
Geometric blow-up of a dynamic Turing instability in the Swift-Hohenberg equation
We present a rigorous analysis of the slow passage through a Turing bifurcation in the Swift-
Hohenberg equation using a novel approach based on geometric blow-up. We show that …
Hohenberg equation using a novel approach based on geometric blow-up. We show that …
Exponential asymptotics of homoclinic snaking
AD Dean, PC Matthews, SM Cox, JR King - Nonlinearity, 2011 - iopscience.iop.org
We study homoclinic snaking in the cubic-quintic Swift–Hohenberg equation (SHE) close to
the onset of a subcritical pattern-forming instability. Application of the usual multiple-scales …
the onset of a subcritical pattern-forming instability. Application of the usual multiple-scales …
Rigorous computation of a radially symmetric localized solution in a Ginzburg--Landau problem
JB van den Berg, CM Groothedde, JF Williams - SIAM Journal on Applied …, 2015 - SIAM
We present a rigorous numerical method for proving the existence of a localized radially
symmetric solution for a Ginzburg--Landau-type equation. This has a direct application to the …
symmetric solution for a Ginzburg--Landau-type equation. This has a direct application to the …
Dissecting the snake: transition from localized patterns to spike solutions
N Verschueren, AR Champneys - Physica D: Nonlinear Phenomena, 2021 - Elsevier
An investigation is undertaken of coupled reaction–diffusion systems in one spatial
dimension that are able to support, in different regions of their parameter space, either an …
dimension that are able to support, in different regions of their parameter space, either an …