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has been cited by the following article:

• TITLE: Necessary Conditions for a Fixed Point of Maps in Non-Metric Spaces

  AUTHORS: I. Raykov

  KEYWORDS: Topological Space; Complete Metric Compact Space; Cauchy Sequence; Lipschitz Continuous Map; Contraction Map

  JOURNAL NAME: Advances in Pure Mathematics, Vol.2 No.6, November 9, 2012

  ABSTRACT: The main purpose of the present work is to introduce necessary conditions for a map on a non-metric space, defined by using a map on a metric space, to have a fixed point.