On an extension of contractivity conditions via auxiliary functions

Fixexd point theory and applications

nar¹  Ravi P Agarwal²  Erdal Karapı³  Antonio-Francisco Roldá⁴ 

[1] Department of Mathematics, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia;Department of Mathematics, Texas A&M University-Kingsville, Kingsville, USA;Nonlinear Analysis and Applied Mathematics Research Group (NAAM), King Abdulaziz University, Jeddah, Saudi Arabia

关键词: fixed point theorem;    fixed point;    common fixed point;    contractivity condition;   

DOI  :  10.1186/s13663-015-0354-x

学科分类：数学（综合）

来源: SpringerOpen

【 摘 要 】

In this manuscript, we study sufficient conditions on the functions that appears in very complex contractivity conditions introduced in a recent manuscript by Liu et al. in order to guarantee the existence and uniqueness of common fixed points of four self-mappings.

【 授权许可】

CC BY