scholarly journals Some applications via common quadruple fixed point theorems in G-metric spaces

2012 ◽  
Vol 2012 ◽  
pp. 1-17 ◽  
Author(s):  
Erdal Karapınar ◽  
Wasfi Shatanawi ◽  
Zead Mustafa

We prove a number of quadruple fixed point theorems under -contractive conditions for a mapping in ordered metric spaces. Also, we introduce an example to illustrate the effectiveness of our results.


2012 ◽  
Vol 2012 ◽  
pp. 1-16 ◽  
Author(s):  
Hassen Aydi ◽  
Erdal Karapınar ◽  
İlker Şavas Yüce

We prove quadruple fixed point theorems in partially ordered metric spaces depending on another function. Also, we state some examples showing that our results are real generalization of known ones in quadruple fixed point theory.


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