Giovedì 30 gennaio con inizio alle ore 10.30 presso l' Aula Seminari – Sezione Matematica del DICATAM Via Valotti 9, Brescia, il Prof. Jaime E. Muñoz Rivera Laboratório Nacional de Computação Científica, Petropólis, Brasil e Universidad del Bío Bío, Concepción, Chile, terrà il seminario dal titolo:
Gevrey class for locally three-phase-lag thermoelastic beam system
Sunto: In this lecture we deal with the behavior of solutions for the three-phase delay heat equation with localized dissipation in an Euler-Bernoulli beam model. We show that the semigroup S(t) associated with the problem is of Gevrey class 5 for t ≥ 0. Moreover, if the coefficients of the system are such that the operator is dissipative, then the solutions are always exponentially stable.