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The Hahn-Banach Extension Theorem for Fuzzy Normed Spaces Revisited

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  • Carmen Alegre
  • Salvador Romaguera

Abstract

This paper deals with fuzzy normed spaces in the sense of Cheng and Mordeson. We characterize fuzzy norms in terms of ascending and separating families of seminorms and prove an extension theorem for continuous linear functionals on a fuzzy normed space. Our result generalizes the classical Hahn-Banach extension theorem for normed spaces.

Suggested Citation

  • Carmen Alegre & Salvador Romaguera, 2014. "The Hahn-Banach Extension Theorem for Fuzzy Normed Spaces Revisited," Abstract and Applied Analysis, Hindawi, vol. 2014, pages 1-7, May.
    • Handle: RePEc:hin:jnlaaa:151472
    DOI: 10.1155/2014/151472
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