Partially ordered cone metric spaces and coupled fixed point results

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Abstract

Bhaskar and Lakshmikantham [T.G. Bhaskar, V. Lakshmikantham, Fixed point theorems in partially ordered metric spaces and applications, Nonlinear Anal. 65 (2006) 13791393] studied the coupled coincidence point of a mapping F from X×X into X and a mapping g from X into X. E. Karapinar [E. Karapinar, Couple fixed point theorems for nonlinear contractions in cone metric spaces, Comput. Math. Appl. (2010), doi:10.1016/j.camwa.2010.03.062] proved some results of the coupled coincidence point of a mapping F from X×X into X and a mapping g from X into X over normal cones without regularity. In the present paper, we prove that coupled coincidence fixed point theorems over cone metric spaces are not necessarily normal. Our results generalize several well known comparable results in the literature. © 2010 Elsevier Ltd. All rights reserved.

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APA

Shatanawi, W. (2010). Partially ordered cone metric spaces and coupled fixed point results. Computers and Mathematics with Applications, 60(8), 2508–2515. https://doi.org/10.1016/j.camwa.2010.08.074

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