... spaces,” AppliedMathematics and Computation, vol. 195, no. 1, pp. 86–93, 2008.10 S. Jain, S. Jain, and L. Bahadur Jain, “Compatibility of type P in modified intuitionistic fuzzy metricspace,” ... metric space and defined a Hausdorff topology on this fuzzy metricspace which have very important applications in quantum particle physics particularly in connection with both string and E -in nity ... theory.Bhaskar and Lakshmikantham 4, Lakshmikantham and´Ciri´c 5 discussed themixed monotone mappings and gave some coupled fixed point theorems which can be used to discuss the existence and...