%0 Journal Article %A Díaz Díaz, Jesús Ildefonso %T A note on spatial uniformation for Fisher-KPPtype equations with a concentration dependentdiffusion %D 2012 %@ 1752-3583 %U https://hdl.handle.net/20.500.14352/44514 %X We prove a pointwise gradient estimate for the solution of the Cauchy problem associated to the quasilinear Fisher-KPP type equation with a diffusion coefficient ϕ(u) satisfying that ϕ(0) = 0, ϕ(1) = 1 and a source term ψ(u) which is vanishing only for levels u = 0 and u = 1. As consequence we prove that the bounded weak solution becomes instantaneously a continuous function even if the initial datum is merely a bounded function. %~