Título: Localization of solutions to stochastic porous media equations: finite speed of propagation
Autores: Barbu, Viorel; Al.I.Cuza University
Roeckner, Michael; Bielefeld University
Fecha: 2012-01-01
Publicador: Electronic journal of probability
Fuente:
Tipo: Peer-reviewed Article
Tema: Wiener process; porous media equation; energy method; stochastic flow
60H15; 35R60
Descripción: It is proved that the solutions to the slow diffusion stochastic porous media equation $dX-{\Delta}( |X|^{m-1}X )dt=\sigma(X)dW_t,$ $ 1< m\le 5,$ in $\mathcal{O}\subset\mathbb{R}^d,\ d=1,2,3,$ have the property of finite speed of propagation of disturbances for $\mathbb{P}\text{-a.s.}$ ${\omega}\in{\Omega}$ on a sufficiently small time interval $(0,t({\omega}))$.
Idioma: Inglés

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