Méndez, V.; Ortega-Cejas, V.; Zemskov, E.P.; … - In: Physica A: Statistical Mechanics and its Applications 375 (2007) 1, pp. 51-64
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...
