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Dadun > Depósito Académico > Facultad de Ciencias > Departamento de Física y Matemática Aplicada > DA - Ciencias - Física - Artículos de Revista >

Stability of Turing Patterns in the Brusselator Model
Authors: Peña, B. (B.)
Perez-Garcia, C. (C.)
Keywords: Materias Investigacion::Física
Issue Date: 2001
ISSN: 1539-3755
Citation: Phys Rev E, 64, pp. 056213
Abstract
The selection and competition of Turing patterns in the Brusselator model are reviewed. The stability of stripes and hexagons towards spatial perturbations is studied using the amplitude equation formalism. For hexagonal patterns these equations include both linear and nonpotential spatial terms enabling distorted solutions. The latter modify substantially the stability diagrams and select patterns with wave numbers quite different from the critical value. The analytical results from the amplitude formalism agree with direct simulations of the model. Moreover, we show that slightly squeezed hexagons are locally stable in a full range of distortion angles. The stability regions resulting from the phase equation are similar to those obtained numerically by other authors and to those observed in experiments.
Permanent link: http://hdl.handle.net/10171/1788
Appears in Collections:DA - Ciencias - Física - Artículos de Revista

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