A NOTE ON D-OPERATOR PAIR

Abstract

In this paper, we show that under contractive conditions proving existenceof common fixed point by assuming D-operator pair [Some common fixed point theoremsfor D-operator pair with applications to nonlinear integral equations, Nonlinear Functional Analysis and Applications, Vol. 18, No. 2 (2013), 205-218] is equivalent to proving theexistence of common fixed point by assuming the existence of common fixed point.