Abstract

This paper is devoted to the study of Ćirić-type non-unique fixed point results in modular metric spaces. We obtain various theorems about a fixed point and periodic points for a self-map on modular spaces which are not necessarily continuous and satisfy certain contractive conditions. Our results extend the results of Ćirić, Pachpatte, and Achari in modular metric spaces.

Highlights

  • Metric fixed point theory was initiated by the renowned theorem of Banach [1], known as the Banach Contraction Mapping Principle

  • Inspired by the works of Chistyakov and Ćirić, in this paper, we study non-unique fixed points and periodic points in modular metric spaces

  • Our results extend the results of Ćirić, Pachpatte, and Achari in modular metric spaces

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Summary

Introduction

Metric fixed point theory was initiated by the renowned theorem of Banach [1], known as the Banach Contraction Mapping Principle. In 1974, Ćirić [6] studied non-unique fixed point results in metric spaces He obtained various theorems about a fixed point and periodic points for a self-map f on a metric space M which is not necessarily continuous and satisfies the condition min {d( f x, f y), d( x, f x ), d(y, f y)} − min {d( x, f y), d(y, f x )} ≤ kd( x, y), where x, y ∈ M and k ∈ (0, 1). Our results extend the results of Ćirić, Pachpatte, and Achari in modular metric spaces

Preliminaries
Extension of Non-Unique Fixed Point of Ćirić on Modular Metric Spaces
Extension of Non-Unique Fixed Point of Pachpatte on Modular Metric Spaces
Extension of Non-Unique Fixed Point of Achari on Modular Metric Spaces
Conclusions
Methods

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