On Approximately Star-Shaped Functions and Approximate Vector Variational Inequalities

S. K. Mishra () and Vivek Laha ()
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S. K. Mishra: Banaras Hindu University
Vivek Laha: Banaras Hindu University

Journal of Optimization Theory and Applications, 2013, vol. 156, issue 2, No 6, 278-293

Abstract: Abstract In this paper, we consider a vector optimization problem involving approximately star-shaped functions. We formulate approximate vector variational inequalities in terms of Fréchet subdifferentials and solve the vector optimization problem. Under the assumptions of approximately straight functions, we establish necessary and sufficient conditions for a solution of approximate vector variational inequality to be an approximate efficient solution of the vector optimization problem. We also consider the corresponding weak versions of the approximate vector variational inequalities and establish various results for approximate weak efficient solutions.

Keywords: Approximately star-shaped functions; Fréchet subdifferentials; Approximate vector variational inequalities; Approximate efficient solutions; Approximately straight functions (search for similar items in EconPapers)
Date: 2013
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Citations: View citations in EconPapers (4)

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DOI: 10.1007/s10957-012-0124-4

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