Remarks on extensions of the himmelberg fixed point theorem

Hidetoshi Komiya, Sehie Park

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)


Recently, Jafari and Sehgal obtained an extension of the Himmelberg fixed point theorem based on the Kakutani fixed-point theorem. We give generalizations of the extension to almost convex sets instead of convex sets. We also give generalizations for a large class ℬ of better admissible multimaps instead of the Kakutani maps. Our arguments are based on the KKM principle and some of previous results due to the second author.

Original languageEnglish
Article number16028
JournalFixed Point Theory and Applications
Publication statusPublished - 2007
Externally publishedYes

ASJC Scopus subject areas

  • Geometry and Topology
  • Applied Mathematics


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