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Title: | Common fixed point theorems for ordered contractions and quasicontractions in ordered cone metric spaces | Authors: | Kadelburg, Zoran Pavlović, Mirjana Radenović, Stojan |
Keywords: | Common fixed point;Fixed point;Normal and nonnormal cone;Ordered cone metric space;Quasicontraction | Issue Date: | 1-May-2010 | Journal: | Computers and Mathematics with Applications | Abstract: | In the first part of this paper we generalize results on common fixed points in ordered cone metric spaces obtained by I. Altun and G. Durmaz [I. Altun, G. Durmaz, Some fixed point theorems on ordered cone metric spaces, Rend. Circ. Mat. Palermo, 58 (2009) 319-325] and I. Altun, B. Damnjanović and D. Djorić [I. Altun, B. Damnjanović, D. Djorić, Fixed point and common fixed point theorems on ordered cone metric spaces, Appl. Math. Lett. (2009) doi:10.1016/j.aml.2009.09.016] by weakening the respective contractive condition. Then, the notions of quasicontraction and g-quasicontraction are introduced in the setting of ordered cone metric spaces and respective (common) fixed point theorems are proved. In such a way, known results on quasicontractions and g-quasicontractions in metric spaces and cone metric spaces are extended to the setting of ordered cone metric spaces. Examples show that there are cases when new results can be applied, while old ones cannot. © 2010 Elsevier Ltd. All rights reserved. |
URI: | https://research.matf.bg.ac.rs/handle/123456789/1129 | ISSN: | 08981221 | DOI: | 10.1016/j.camwa.2010.02.039 |
Appears in Collections: | Research outputs |
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