Uniqueness and nonuniqueness for the porous medium equation with non linear boundary conditions

Other literature type English OPEN
Cortazar, Carmen; Elgueta, Manuel; Rossi, Julio D.;
(2003)

We study the uniqueness problem for nonnegative solutions of $u_t=\Delta u^m$ in $\Omega \times [0,T)$, $-\frac{\partial u^m}{\partial \hat{n}}(x,t)=u^{\lambda}(x,t)$ on $\partial \Omega \times (0,T)$ and $u(x,0) \equiv 0$ on $\Omega$ where $m > 1$, $\lambda \ge 1... View more
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