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Browsing by Subject "parabolic"

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    Item type:Article, Access status: Open Access ,
    Classical and weak solutions for semilinear parabolic equations with Preisach hysteresis
    (2008) Jais, Mathias
    We consider the solvability of the semilinear parabolic differential equation $\frac{\partial u}{\partial t}(x,t)- \Delta u(x,t) + c(x,t)u(x,t) = \mathcal{P}(u) + \gamma (x,t)$ in a cylinder $D=\Omega \times (0,T)$, where $\mathcal{P}$ is a hysteresis operator of Preisach type. We show that the corresponding initial boundary value problems have unique classical solutions. We further show that using this existence and uniqueness result, one can determine the properties of the Preisach operator $\mathcal{P}$ from overdetermined boundary data.