Results 191 to 200 of about 7,470 (228)

Turing Patterns in Networks

Complex Systems, 2023
The first pattern formation model was proposed by the mathematician Alan M. Turing. This model consists of a system of reaction-diffusion equations that produces stationary patterns by means of the so-called “Turing instability.” In this paper, we found the conditions that the network and the parameters need to fulfill in order to achieve the Turing ...
Elizabeth Alejandra Ortiz Durán   +1 more
openaire   +1 more source

Turing patterns on a sphere

Physical Review E, 1999
We address the problem of pattern formation on the surface of a sphere using Turing equations. By considering a generic reaction-diffusion model, we numerically investigate the patterns formed under different conditions on the parameter values. Our results show that a closed surface with curvature, as a sphere, imposes geometrical restrictions on the ...
C, Varea, J L, Aragón, R A, Barrio
openaire   +2 more sources

Membrane-bound Turing patterns

Physical Review E, 2005
Motivated by recent observations in biological cells, we study Turing patterns in bounded regions where the nonlinear chemical reactions occur on the boundary and where reagent transport occurs in the bulk. Within a generic model, we formulate the stability problem and discuss the conditions for the occurrence of a Turing instability. By choosing other
Herbert, Levine, Wouter-Jan, Rappel
openaire   +2 more sources

Effect of obstructions on growing Turing patterns

Chaos: An Interdisciplinary Journal of Nonlinear Science, 2022
We study how Turing pattern formation on a growing domain is affected by discrete domain discontinuities. We use the Lengyel–Epstein reaction–diffusion model to numerically simulate Turing pattern formation on radially expanding circular domains containing a variety of obstruction geometries, including obstructions spanning the length of the domain ...
Milos Dolnik   +3 more
openaire   +2 more sources

Widening the criteria for emergence of Turing patterns

Chaos: An Interdisciplinary Journal of Nonlinear Science, 2020
The classical concept for emergence of Turing patterns in reaction–diffusion systems requires that a system should be composed of complementary subsystems, one of which is unstable and diffuses sufficiently slowly while the other one is stable and diffuses sufficiently rapidly. In this work, the phenomena of emergence of Turing patterns are studied and
Maxim Kuznetsov, Andrey Polezhaev
openaire   +3 more sources

Turing-Type Patterns on Electrode Surfaces

Science, 2001
We report stationary, nonequilibrium potential and adsorbate patterns with an intrinsic wavelength that were observed in an electrochemical system with a specific type of current/electrode-potential ( I- φ DL ) characteristic.
Li, Y.   +5 more
openaire   +4 more sources

Turing Patterns

1998
In the first chapter of this book, we noted the “dark age” of nearly forty years separating the work of Bray and Lotka in the early 1920s and the discovery of the BZ reaction in the late 1950s. Remarkably, the history of nonlinear chemical dynamics contains another gap of almost the same length.
Irving R. Epstein, John A. Pojman
openaire   +1 more source

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