Fixed point theorems for generalized orthogonal F-contraction and F-expansion of Wardowski kind via the notion of ψfixed point

Document Type : Research Paper

Authors

1 Department of Mathematics, K.R.M.D.A.V. College, Nakodar, Punjab, 144040, India

2 Department of Mathematics, Om Sterling Global University, Hisar, Haryana, 125001, India

Abstract

In this manuscript, we introduce generalized orthogonal (f,ψ)-contraction of kind (S) and use this concept to establish ψ-fixed point theorems in the frame of O-complete orthogonal metric space. Secondly, we introduce the new notion of generalized orthogonal (f,ψ) expansive mapping and utilize the same to prove some fixed point results for surjective mapping satisfying certain conditions. Our results extend and improve the results of  [3] and [7] by omitting the continuity condition of F with the aid of ψ-fixed point. We also give an illustrative example which yields the main result. Also, many existing results in the frame of metric spaces are established.

Keywords

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Volume 14, Issue 2
February 2023
Pages 221-231
  • Receive Date: 14 July 2022
  • Revise Date: 07 September 2022
  • Accept Date: 11 September 2022