Carpathian Journal of Mathematics, Vol. 31, No. 3 (2015), pp. 365-371 (7 pages) Based on the concepts and problems introduced in [Rus, I. A., The theory of a metrical fixed point theorem: theoretical ...
Some existence results concerning approximate fixed points of the weak contractions introduced by V. Berinde on a metric space (not necessarily complete) are given. We also prove some quantitative ...