Abstract
A class of functions called pseudo B-vex and quasi B-vex functions is introduced by relaxing the definitions of B-vex, pseudoconvex, and quasiconvex functions. Similarly, the class of B-invex, pseudo B-invex, and quasi B-invex functions is defined as a generalization of B-vex, pseudo B-vex, and quasi B-vex functions. The sufficient optimality conditions and duality results are obtained for a nonlinear programming problem involving B-vex and B-invex functions.
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Communicated by R. A. Tapia
The first author is thankful to the Natural Science and Engineering Research Council of Canada for financial support through Grant A-5319. The second author is grateful to the Faculty of Management, University of Manitoba for the financial support provided for her visit. The authors are thankful to Prof. R. N. Kaul, Department of Mathematics, Delhi University for his constructive criticism of the paper.
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Bector, C.R., Suneja, S.K. & Lalitha, C.S. Generalized B-vex functions and generalized B-vex programming. J Optim Theory Appl 76, 561–576 (1993). https://doi.org/10.1007/BF00939383
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DOI: https://doi.org/10.1007/BF00939383