(α,ψ, ξ )-contractive multivalued mappings
Date
2014-12-10
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Abstract
In this paper, we introduce the notion of (α,ψ, ξ )-contractive multivalued mappings
to generalize and extend the notion of α-ψ-contractive mappings to closed valued
multifunctions. We investigate the existence of fixed points for such mappings. We
also construct an example to show that our result is more general than the results of
α-ψ-contractive closed valued multifunctions.
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mathematics