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Fixed points of mappings on ordered sets


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Abstract

In this paper sufficient conditions are presented for the least element existence in the common fixed point set of a family of multivalued mappings on ordered sets. The problem of the iterative search for common fixed point of a family of multivalued mappings on ordered sets is considered as well. In addition, we suggest conditions to guarantee invariance of the fixed point property of mappings under an order-homotopy.

About the authors

D. A. Podoprikhin

Moscow State University

Author for correspondence.
Email: podoprikhindmitry@gmail.com
Russian Federation, Moscow, 119992

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