Pseudomonotone Operators: A Survey of the Theory and Its Applications

N. Hadjisavvas (), S. Schaible and N.-C. Wong
Additional contact information
N. Hadjisavvas: University of the Aegean
S. Schaible: Chung Yuan Christian University
N.-C. Wong: National Sun Yat-Sen University

Journal of Optimization Theory and Applications, 2012, vol. 152, issue 1, No 1, 20 pages

Abstract: Abstract The notion of pseudomonotone operator in the sense of Karamardian has been studied for 35 years and has found many applications in variational inequalities and economics. The purpose of this survey paper is to present the most fundamental results in this field, starting from the earliest developments and reaching the latest results and some open questions. The exposition includes: the relation of (generally multivalued) pseudomonotone operators to pseudoconvex functions; first-order characterizations of single-valued, differentiable pseudomonotone operators; application to variational inequalities; the notion of equivalence of pseudomonotone operators and its application to maximality; a generalization of paramonotonicity and its relation to the cutting-plane method; and the relation to the revealed preference problem of mathematical economics.

Keywords: Pseudomonotone operators; Variational inequalities; Pseudomonotone∗ operators (search for similar items in EconPapers)
Date: 2012
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Citations: View citations in EconPapers (2)

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DOI: 10.1007/s10957-011-9912-5

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