Abstract
We extend a result of Freidlin and Gartner for KPP wave fronts to the case $d \geq 2$ for i.i.d. random media. We show a wave front propagation speed is attained for the discrete-space (lattice) KPP using a large deviation approach.
Citation
Tzong-Yow Lee. Fred Torcaso. "Wave propagation in a lattice KPP equation in random media." Ann. Probab. 26 (3) 1179 - 1197, July 1998. https://doi.org/10.1214/aop/1022855748
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