Suzuki’s type characterizations of completeness for partial metric spacesand fixed points for partially ordered metric spaces

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95 Citazioni (Scopus)

Abstract

Recently, Suzuki [T. Suzuki, A generalized Banach contraction principle that characterizes metric completeness, Proc. Amer. Math. Soc. 136 (2008) 1861–1869] proved a fixed point theorem that is a generalization of the Banach contraction principle and characterizes the metric completeness. In this paper we prove an analogous fixed point result for a selfmapping on a partial metric space or on a partially ordered metric space. Our resultson partially ordered metric spaces generalize and extend some recent results of Ran and Reurings [A.C.M. Ran, M.C. Reurings, A fixed point theorem in partially ordered sets and some applications to matrix equations, Proc. Amer. Math. Soc. 132 (2004) 1435–1443], Nieto and Rodríguez-López [J.J. Nieto, R. Rodríguez-López, Contractive mapping theorems in partially ordered sets and applications to ordinary differential equations, Order 22 (2005) 223–239]. We deduce, also, common fixed point results for two self-mappings. Moreover, using our results, we obtain a characterization of partial metric 0-completeness in terms offixed point theory. This result extends Suzuki’s characterization of metric completeness.
Lingua originaleEnglish
pagine (da-a)911-920
Numero di pagine10
RivistaTopology and its Applications
Volume159
Stato di pubblicazionePublished - 2012

All Science Journal Classification (ASJC) codes

  • Geometry and Topology

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