TY - JOUR AU - Singh, Deepak AU - Joshi, Vishal AU - Imdad, Mohammad AU - Kumam, Poom PY - 2016 TI - Unified implicit common fixed point theorems under non-negative complex valued functions satisfying the identity of indiscernible JO - Journal of Nonlinear Sciences and Applications SP - 2049--2069 VL - 9 IS - 5 AB - In this paper, we consider a non-negative complex valued function satisfying the identity of indiscernible and utilize the same to prove some common fixed point theorems for two pairs of non-vacuously weakly compatible mappings satisfying an implicit relation having rational terms as its co-ordinates. Some illustrative examples are also given which demonstrate the validity of the hypotheses of our results. In process, a host of previously known results in the context of complex as well as real valued metric spaces are generalized and improved. SN - ISSN 2008-1901 UR - http://dx.doi.org/10.22436/jnsa.009.05.11 DO - 10.22436/jnsa.009.05.11 ID - Singh2016 ER -