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Collapse of wave fronts in reaction-diffusion systems

✍ Scribed by V. Pérez-Muñuzuri; M. Gómez-Gesteira; V. Pérez-Villar; P. Hanusse


Publisher
Elsevier Science
Year
1992
Tongue
English
Weight
586 KB
Volume
168
Category
Article
ISSN
0375-9601

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Transition from pushed-to-pulled fronts
✍ V. Méndez; V. Ortega-Cejas; E.P. Zemskov; J. Casas-Vázquez 📂 Article 📅 2007 🏛 Elsevier Science 🌐 English ⚖ 299 KB

The front dynamics in reaction-diffusion equations with a piecewise linear reaction term is studied. A transition from pushed-to-pulled fronts when they propagate into the unstable state is found using a variational principle. This transition occurs for a critical value of the discontinuity position