Dipartimento di Matematica ''F. Casorati''

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Optimal Distributed Control of a Cahn-Hilliard-Darcy System with Mass Sources

Prof. Juergen Sprekels, Humboldt University and WIAS, Berlin, Germany).

Sala conferenze IMATI-CNR, Pavia - Martedì 14 Maggio 2019 h.15:00

Abstract. The talk is concerned with an optimal control problem for a two-dimensional Cahn-Hilliard-Darcy system with mass sources that arises in the modeling of tumor growth. The aim is to monitor the tumor fraction in a finite time interval in such a way that both the tumor fraction, measured in terms of a tracking type cost functional, is kept under control and minimal harm is inflicted to the patient by administering the control, which could either be a drug or nutrition. We first prove that the optimal control problem admits a solution. Then we show that the control-to-state operator is Fréchet differentiable between suitable Banach spaces and derive the first-order necessary optimality conditions in terms of the adjoint variables and the usual variational inequality.

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Dipartimento di Matematica ''F. Casorati''

Università degli Studi di Pavia - Via Ferrata, 5 - 27100 Pavia
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