The critical wave speed for the Fisher-Kolmogorov-Petrowskii-Piscounov equation with cut-off

@inproceedings{Dumortier2007TheCW,
  title={The critical wave speed for the Fisher-Kolmogorov-Petrowskii-Piscounov equation with cut-off},
  author={Freddy Dumortier and Nikola Popovic and Tasso J. Kaper},
  year={2007}
}
The Fisher–Kolmogorov–Petrowskii–Piscounov (FKPP) equation with cut-off was introduced in (Brunet and Derrida 1997 Shift in the velocity of a front due to a cut-off Phys. Rev. E 56 2597–604) to model N-particle systems in which concentrations less than e = 1/N are not attainable. It was conjectured that the cut-off function, which sets the reaction terms to zero if the concentration is below the small threshold e, introduces a substantial shift in the propagation speed of the corresponding… CONTINUE READING

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