Existence Results for Vector Mixed Quasi-Complementarity Problems
Author(s) -
Suhel Ahmad Khan,
Naeem Ahmad
Publication year - 2013
Publication title -
journal of mathematics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.252
H-Index - 13
eISSN - 2314-4785
pISSN - 2314-4629
DOI - 10.1155/2013/204348
Subject(s) - mathematics , complementarity (molecular biology) , complementarity theory , lemma (botany) , equivalence (formal languages) , mixed complementarity problem , banach space , variational inequality , pure mathematics , inequality , mathematical analysis , nonlinear system , ecology , genetics , physics , poaceae , quantum mechanics , biology
We introduce strong vector mixed quasi-complementarity problems and the corresponding strong vector mixed quasi-variational inequality problems. We establish equivalence between strong mixed quasi-complementarity problems and strong mixed quasi-variational inequality problem in Banach spaces. Further, using KKM-Fan lemma, we prove the existence of solutions of these problems, under pseudomonotonicity assumption. The results presented in this paper are extensions and improvements of some earlier and recent results in the literature
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