Generic Uniqueness of Solutions for a Class of Vector Ky Fan Inequalities

D. T. Peng (), J. Yu and N. H. Xiu
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D. T. Peng: Beijing Jiaotong University
J. Yu: Guizhou University
N. H. Xiu: Beijing Jiaotong University

Journal of Optimization Theory and Applications, 2012, vol. 155, issue 1, No 8, 165-179

Abstract: Abstract This paper is intended mainly to present some generic uniqueness results for a class of vector Ky Fan inequalities. By employing the methods of set-valued analysis, we prove that, in the sense of Baire category, most of the problems in a complete metric space, consisting of vector Ky Fan inequalities satisfying some conditions, have unique solution and that every vector Ky Fan inequality, possessing more than one solution, can be approached arbitrarily by a sequence of vector Ky Fan inequalities each of which has a unique solution. Our discussions are under two different settings. One setting is related to vector Ky Fan inequalities defined on a compact set; the other is related to vector Ky Fan inequalities defined on a noncompact set. The corollaries of our results generalized the corresponding results in the literature.

Keywords: Vector Ky Fan inequality; Generic uniqueness; Set-valued mapping; Complete metric space; Dense residual set (search for similar items in EconPapers)
Date: 2012
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DOI: 10.1007/s10957-012-0062-1

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