Journal of Optimization Theory and Applications

, Volume 123, Issue 3, pp 533–548

On the Existence of Solutions to Vector Quasivariational Inequalities and Quasicomplementarity Problems with Applications Break to Traffic Network Equilibria

  • P. Q. Khanh
  • L. M. Luu
Article
  • 107 Downloads

Abstract

For vector quasivariational inequalities involving multifunctions in topological vector spaces, an existence result is obtained without a monotonicity assumption and with a convergence assumption weaker than semicontinuity. A new type of quasivariational inequality is proposed. Applications to quasicomplementarity problems and traffic network equilibria are considered. In particular, definitions of weak and strong Wardrop equilibria are introduced for the case of multivalued cost functions.

Vector quasivariational inequalities topological vector spaces solution existence KKM mappings upper semicontinuity generalized lower hemicontinuity pseudomonotonicity quasicomplementarity problems traffic networks multivalued costs weak and strong equilibrium flows 

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Copyright information

© Springer Science+Business Media, Inc. 2004

Authors and Affiliations

  • P. Q. Khanh
    • 1
  • L. M. Luu
    • 2
  1. 1.Department of Mathematics and Computing ScienceVietnam National UniversityVietnam
  2. 2.Department of MathematicsUniversity of DalatVietnam

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