Titlebook: Generalized Convexity and Fractional Programming with Economic Applications; Proceedings of the I Alberto Cambini,Erio Castagnoli,Siegfried

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Duality in Multiobjective Fractional ProgrammingA class of multiobjective fractional programming problems is considered and duality results are established through a parametric approach. These results give a multiobjective analog of some of the well known results of a single ratio programming problem.

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https://doi.org/10.1007/978-981-19-4411-6ral properties of concavity Besides going into a guided description on the results presented in the three papers of this section, we would like to express the feeling of continued lively interest in our field of research.

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https://doi.org/10.1007/978-1-4757-2317-5eralization od convexity called Projective-convexity (or P-convexity). In this paper, we show that P-convexity provides a natural framework for describing a variety of models (e.g., consumer preference, consumer budgeting, resource allocation, multi-output) which do not adhere to the assumption of convexity.

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The City as an Ever-Changing Beingw algorithm has the advantage of being easier to implement than earlier algorithms of this type, especialy for nonlinear problem. The numerical results indicate that it is as efficient as other interval-type and Dinkelbach-type algorithms for these problems.

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