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math.FA2025

On the weakest conditions for the existence of fixed points of Kannan and Chatterjea type contractions

Shunya Hashimoto, Misako Kikkawa, Shuji Machihara +1

In this paper, we study the weakest possible conditions for fixed point theorems involving two classes of mappings defined by Kannan and Chatterjea. Our approach relies on the so-c…