An upper bound for the waiting time for nonlinear degenerate parabolic equations

An upper bound for the waiting time for nonlinear degenerate parabolic equations
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by Michel Chipot and Thomas Sideris PDF

Trans. Amer. Math. Soc. 288 (1985), 423-427 Request permission

An upper bound is obtained for the time when the support of the solution of some nonlinear, degenerate parabolic equations begins to spread.

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