Acta mathematica scientia,Series B ›› 1998, Vol. 18 ›› Issue (4): 457-460.

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ORDERING CONTRACTION MAPPING PRINCIPLE AND APPLICATIONS

Li Fuyi1, Zhang Qingzheng2   

  1. 1. Department of Mathematics, Shanxi University, Taiyuan 030006, China;
    2. Department of Mathematics, Shangqiu Teachers College, Shangqiu 476000, China
  • Received:1996-11-18 Revised:1997-03-01 Online:1998-12-25 Published:1998-12-25
  • Supported by:
    Project 19671054 supported by NSFC and project 971001 supported by The Shanxi Youth Science Foundation

Abstract: This paper establishes an ordering contraction mapping principle for increasing mapping in partial ordering metric spaces, and applies it to prove the existence and uniqueness of Ased point for some noalinear operators controlled by a linear operator and φ-concave operator in a partial ordering Banach space. Therefore, this two results are unified.

Key words: Partial ordering metric spaces, ordering contraction mapping principle, φ-concave operator

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