 94276 R. D. Benguria and M. C. Depassier, P. U. Catolica de Chile
 Variational Characterization of the Speed of Propagation of
Fronts for the Nonlinear Diffusion Equation
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Sep 1, 94

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Abstract. We give a variational characterization for the speed of fronts
of the nonlinear diffusion equation $u_t = u_{xx} + f(u)$ with
$f>0$, which permits the calculation of the exact speed for
arbitrary $f$.
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94276.tex