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Duality models for some nonclassical problems in the calculus of variations

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  • G. J. Zalmai

Abstract

Parametric and nonparametric necessary and sufficient optimality conditions are established for a class of nonconvex variational problems with generalized fractional objective functions and nonlinear inequality constraints containing arbitrary norms. Based on these optimality criteria, ten parametric and parameter-free dual problems are constructed and appropriate duality theorems are proved. These optimality and duality results contain, as special cases, similar results for minmax fractional variational problems involving square roots of positive semidefinite quadratic forms as well as for variational problems with fractional, discrete max, and conventional objective functions, which are particular cases of the main problem considered in this paper. The duality models presented here subsume various existing duality formulations for variational problems and include variational generalizations of a great variety of cognate dual problems investigated previously in the area of finite-dimensional nonlinear programming by an assortment of ad hoc methods.

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  • G. J. Zalmai, 2003. "Duality models for some nonclassical problems in the calculus of variations," International Journal of Mathematics and Mathematical Sciences, Hindawi, vol. 2003, pages 1-38, January.
    • Handle: RePEc:hin:jijmms:279627
    DOI: 10.1155/S0161171203303370
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