LARGE TIME ASYMPTOTIC BEHAVIORS OF TWO TYPES OF FAST DIFFUSION EQUATIONS
Résumé
Consider two types of nonlinear fast diffusion equations in R^N. For the external drift case, it is a natural extension of the simple case that the external is harmonic. In this paper we can prove the large time asymptotic behavior to the stationary states by using entropy methods. For the more complicated mead-field type case with the convolution term, we prove that for some special cases, it also exists large time asymptotic behaviour.
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