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Mathematical Communications, Vol. 13 No. 1, 2008.

Original scientific paper

Common fixed point theorems through generalized altering distance functions

K. P. R. Rao ; Department of Applied Mathematics, Acharya Nagarjuna University-Nuzvid Campus, India
G. Ravi Babu ; Department of Applied Mathematics, Acharya Nagarjuna University-Nuzvid Campus, India
D. Vasu Babu ; Department of Applied Mathematics, Acharya Nagarjuna University-Nuzvid Campus, India

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Abstract

In this paper we obtain a unique common fixed point theorem,
for four self maps using a generalized altering distance function in four variables , which generalizes and improves the main theorem of Choudhury [2].
We also obtain a Gregus type common fixed point theorem for four maps as a corollary.

Keywords

fixed points; semi compatible mappings; altering distance functions

Hrčak ID:

23559

URI

https://hrcak.srce.hr/23559

Publication date:

28.5.2008.

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