Fixed Point and Common Fixed Point Theorems for Cyclic Quasi-Contractions in Metric and Ultrametric

• 作 者: Parin Chaipunya Yeol Je Cho Wu
• 机 构: DepartmentofMathematicsEducationandtheRINS,DepartmentofMathematics
• 出 处: 理论数学进展(英文)
• 发表日期: 2012年6期
• 关键词: CYCLIC Quasi-Contraction Co-Cyclic Quasi-Contraction METRIC SPACE ULTRAMETRIC SP

In this paper, we prove introduce some fixed point theorems for quasi-contraction under the cyclical conditions. Then, we point out that a common fixed point extension is also applicable via our earlier results equipped together with a weaker cyclical pro