Binary relation for tripled fixed point theorem in metric spaces

Animesh Gupta; Vandana Rai

doi:10.5269/bspm.38279

Animesh Gupta Rani Durgawati University Jabalpur
Vandana Rai Indian Institute of Technology

Abstract

In this paper we present a new extension of tripled fixed point theorems in metric spaces endowed with a reflexive binary relation that is not necessarily neither transitive nor antisymmetric. The key feature in this tripled fixed point theorems is that the contractivity condition on the nonlinear map is only assumed to hold on elements that are comparable in the binary relation. Next on the basis of the tripled fixed point theorems, we prove the existence and uniqueness of positive definite solutions of a nonlinear matrix equation of type

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Author Biography

Animesh Gupta, Rani Durgawati University Jabalpur

Department of Mathematics & Computer Science,

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