English

Relation-theoretic metrical fixed point theorems under nonlinear contractions

General Topology 2016-11-15 v1 Functional Analysis

Abstract

We establish fixed point theorems for nonlinear contractions on a metric space (not essentially complete) endowed with an arbitrary binary relation. Our results extend, generalize, modify and unify several known results especially those contained in Samet and Turinici [Commun. Math. Anal. 13, 82-97 (2012)] and Alam and Imdad [J. Fixed Point Theory Appl. 17(4), 693-702 (2015)]. Interestingly a corollary to one of our main results proved under symmetric closure of any binary relation remains a sharpened version of a theorem due to Samet and Turinici. Finally, we use examples to highlight the realized improvements in the results proved in this paper.

Keywords

Cite

@article{arxiv.1611.04136,
  title  = {Relation-theoretic metrical fixed point theorems under nonlinear contractions},
  author = {Md Ahmadullah and Mohammad Imdad and Rqeeb Gubran},
  journal= {arXiv preprint arXiv:1611.04136},
  year   = {2016}
}

Comments

18 pages

R2 v1 2026-06-22T16:50:41.823Z