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Strict contractive conditions and common fixed point theorems in cone metric spaces. (English) Zbl 1179.54062

Summary: A lot of authors have proved various common fixed-point results for pairs of self-mappings under strict contractive conditions in metric spaces. In the case of cone metric spaces, fixed point results are usually proved under the assumption that the cone is normal. In the present paper we prove common fixed point results under strict contractive conditions in cone metric spaces using only the assumption that the cone interior is nonempty. We modify the definition of property (E.A), introduced recently in the work by Aamri and Moutawakil (2002), and use it instead of usual assumptions about commutativity or compatibility of the given pair. Examples show that the obtained results are proper extensions of the existing ones.

MSC:

54H25 Fixed-point and coincidence theorems (topological aspects)

Keywords:

property (E.A)
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References:

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