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Proceedings of the American Mathematical Society

Published by the American Mathematical Society since 1950, Proceedings of the American Mathematical Society is devoted to shorter research articles in all areas of pure and applied mathematics.

ISSN 1088-6826 (online) ISSN 0002-9939 (print)

The 2020 MCQ for Proceedings of the American Mathematical Society is 0.85.

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Equivalence of completeness and contraction property
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by Shu-wen Xiang PDF
Proc. Amer. Math. Soc. 135 (2007), 1051-1058 Request permission

Abstract:

In this paper, we consider the completeness and the contraction property in metric spaces and show that the contraction property implies Lipschitz-completeness or arcwise-completeness in a metric space. However, in a metric space, the contraction property does not imply the usual completeness. We prove that a locally Lipschitz-connected metric space has the contraction property if and only if it is Lipschitz-complete and that a locally arcwise-connected metric space is arcwise-complete if and only if $X$ has the strong contraction property.
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Additional Information
  • Shu-wen Xiang
  • Affiliation: Department of Mathematics, Guizhou University, Guiyang, Guizhou 550025, People’s Republic of China
  • Email: shwxiang@vip.163.com
  • Received by editor(s): October 22, 2005
  • Published electronically: September 18, 2006
  • Additional Notes: This work was completed with the support of NSF of China (No: 10561003)
  • Communicated by: Jonathan M. Borwein
  • © Copyright 2006 American Mathematical Society
    The copyright for this article reverts to public domain 28 years after publication.
  • Journal: Proc. Amer. Math. Soc. 135 (2007), 1051-1058
  • MSC (2000): Primary 47H10, 54H25; Secondary 54E50, 54E35
  • DOI: https://doi.org/10.1090/S0002-9939-06-08684-9
  • MathSciNet review: 2262905