On Some Weak Conditions of Commutativity in Common Fixed Point Theorems

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

Research output: Contribution to journalArticle

15 Citations (Scopus)


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.

Original languageEnglish
Pages (from-to)289-296
Number of pages8
JournalInternational Journal of Mathematics and Mathematical Sciences
Issue number2
Publication statusPublished - 1988



  • Common fIxed point
  • Sit-valued mapping
  • Weak commutativity

ASJC Scopus subject areas

  • Mathematics (miscellaneous)

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