Common Fixed Points for Maps on Topological Vector Space Valued Cone Metric Spaces

نویسندگان

  • Ismat Beg
  • Akbar Azam
  • Muhammad Arshad
چکیده

Huang and Zhang 1 generalized the notion of metric space by replacing the set of real numbers by ordered Banach space, deffined a cone metric space, and established some fixed point theorems for contractive type mappings in a normal cone metric space. Subsequently, several other authors 2–5 studied the existence of common fixed point of mappings satisfying a contractive type condition in normal cone metric spaces. Afterwards, Rezapour and Hamlbarani 6 studied fixed point theorems of contractive type mappings by omitting the assumption of normality in cone metric spaces see also 7–14 . In this paper we obtain common fixed points for a pair of self-mappings satisfying a generalized contractive type condition without the assumption of normality in a class of topological vector space valued cone metric spaces which is bigger than that introduced by Huang and Zhang 1 . Let E, τ be always a topological vector space and P a subset of E. Then, P is called a cone whenever

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عنوان ژورنال:
  • Int. J. Math. Mathematical Sciences

دوره 2009  شماره 

صفحات  -

تاریخ انتشار 2009