Optimal Control of Harvesting in a Nonlinear Elliptic System Arising from Population Dynamics
نویسندگان
چکیده
The aim of this article is to study an optimal control problem for a system of nonlinear elliptic equations with Dirichlet boundary conditions, u x a x x c x u x eu x u x x , Ž . Ž . Ž . Ž . Ž . Ž . Ž . Ž . Ž . x , 1.1 Ž . x b x u x d x x f x u x x , Ž . Ž . Ž . Ž . Ž . Ž . Ž . Ž . Ž . x , u x x 0, on , Ž . Ž . 1, 2 The authors were supported in part by CICYT, Ministry of Education and Culture, Ž . Spain, under Grant PB98-1343, by Junta de Andalucıa FQM116 and by EEC contract ́ Ž . Human Capital and Mobility program ERBCHRXCT 940494. Also, they thank O. Arino for suggesting the study of this control problem.
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