Non linear travelling waves with diffusion [PDF]
M. De Angelis, E. MazziottiA third order parabolic operator L_\epsilon typical of a non linear wave operator cal L_0 perturbed by viscous terms, is analyzed. Some particular solutions related to L_0 are explicitly determined and the initial value problem for L_\epsilon is considered. The parabolic-hyperbolic behaviour is analyzed and rigorous approximations of the solution are achieved.View original: http://arxiv.org/abs/1203.0727
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