Document Type : Original Article


1 Department of Applied Mathematics, Jammu Kashmir Institute of Mathematical Sciences (An Institute of Higher Excellence), Srinagar-190008, J & K, India

2 Vinča Institute of Nuclear Sciences - National Institute of the Republic of Serbia, University of Belgrade, Mike Petrovića Alasa 12--14, 11351 Belgrade, Serbia

3 University of Kragujevac, Faculty of Science, Department of Mathematics and Informatics, Radoja Domanovica 12, 34 000 Kragujevac, Serbia

4 Faculty of Mechanical Engineering, University of Belgrade, Kraljice Marije 16, 11 120 Beograd 35, Serbia


In this paper, we analyze, generalize and correct some recent results on F-contractions within b-metric spaces. In all results, our only assumption is the strict growth of the function F: $\left( 0,+\infty \right) \rightarrow \left( -\infty ,+\infty \right) .$