SOME COUPLED FIXED POINT THEOREMS IN PARTIALLY ORDERED S-METRIC SPACES.

In this paper, we prove some fixed point results using mixed weakly monotone property and altering distance function in the setting of S-metric space. Our result generalizes the result of Lakshmikantham and Ciric [V. Lakshmikantham and L. Ciric, Coupled common fixed point theorems for nonlinear contractions in partially ordered metric spaces, Nonlinear Analysis, 70, (2009), 4341 - 4349]. [ABSTRACT FROM AUTHOR]