A unification of Geraghty type and Ćirić type fixed point theorems
Filomat, Tome 36 (2022) no. 8, p. 2605
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In the framework of metric spaces, we introduce the concept of Geraghty- Ćirić type contractions and show the existence and uniqueness of the fixed point of such mappings. This result improves and unifies those obtained by Geraghty (Proc. Amer. Math. Soc. 40, 604-608 (1973)) and Ćirić (Proc. Amer. Math. Soc. 45, 267-273, (1974)). Several technical lemmas are employed to ensure that a Picard sequence is a Cauchy sequence. In addition, two illustrative examples are provided to indicate the validity of the obtained results.
Classification :
47H10, 54H25
Keywords: Geraghty type fixed point theroem, Ćirić type fixed point theroem, unified form
Keywords: Geraghty type fixed point theroem, Ćirić type fixed point theroem, unified form
Shu-Fang Li; Fei He; Ning Lu. A unification of Geraghty type and Ćirić type fixed point theorems. Filomat, Tome 36 (2022) no. 8, p. 2605 . doi: 10.2298/FIL2208605L
@article{10_2298_FIL2208605L,
author = {Shu-Fang Li and Fei He and Ning Lu},
title = {A unification of {Geraghty} type and {\'Ciri\'c} type fixed point theorems},
journal = {Filomat},
pages = {2605 },
year = {2022},
volume = {36},
number = {8},
doi = {10.2298/FIL2208605L},
language = {en},
url = {http://geodesic.mathdoc.fr/articles/10.2298/FIL2208605L/}
}
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