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Asymptotic behavior of a nonlinear hyperbolic heat equation with memory

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Nonlinear Differential Equations and Applications NoDEA Aims and scope Submit manuscript


In this paper we investigate the asymptotic behavior, as time tends to infinity, of the solutions of an integro-differential equation describing the heat flow in a rigid heat conductor with memory. This model arises matching the energy balance, in presence of a nonlinear time-dependent heat source, with a linearized heat flux law of the Gurtin-Pipkin type. Existence and uniqueness of solutions for the corresponding semilinear system (subject to initial history and Dirichlet boundary conditions) is provided. Moreover, under proper assumptions on the heat flux memory kernel and the magnitude of nonlinearity, the existence of a uniform absorbing set is achieved.

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Received July 1999

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Giorgi, C., Pata, V. Asymptotic behavior of a nonlinear hyperbolic heat equation with memory. NoDEA, Nonlinear differ. equ. appl. 8, 157–171 (2001).

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