TY - JOUR ID - Jais2008 LB - Jais2008 AU - Jais, Mathias TI - Classical and weak solutions for semilinear parabolic equations with Preisach hysteresis ST - Classical and weak solutions for semilinear parabolic equations with Preisach hysteresis JO - Opuscula Math. JA - Opuscula Math. JF - Opuscula Mathematica PY - 2008 VL - 28 IS - 1 SP - 47 EP - 62 DO - http://dx.doi.org/10.7494/OpMath.2008.28.1.47 UR - http://dx.doi.org/10.7494/OpMath.2008.28.1.47 AB - 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. KW - hysteresis KW - parabolic KW - inverse problem KW - uniqueness SN - 1232-9274 ER -