Approximate Endpoints for Set-Valued Contractions in Metric Spaces

نویسندگان

  • N. Hussain
  • A. Amini-Harandi
  • Y. J. Cho
  • Mohamed Amine Khamsi
چکیده

The existence of approximate fixed points and approximate endpoints of the multivalued almost I-contractions is established. We also develop quantitative estimates of the sets of approximate fixed points and approximate endpoints for multivalued almost I-contractions. The proved results unify and improve recent results of Amini-Harandi 2010 , M. Berinde and V. Berinde 2007 , Ćirić 2009 , M. Păcurar and R. V. Păcurar 2007 and many others.

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تاریخ انتشار 2010