On some weak conditions of commutativity in common fixed point theorems

M. Imdad, M. S. Khan and S. Sessa

International Journal of Mathematics and Mathematical Sciences, 1988, vol. 11, 1-8

Abstract:

We generalize common fixed point theorems of Fisher and Sessa in complete metric spaces, using some conditions of weak commutativity between a set-valued mapping and a single-valued mapping. Suitable examples prove that these conditions do not imply each of the others.

Date: 1988
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jijmms:531493

DOI: 10.1155/S0161171288000353

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