The reduction of binary fuzzy relations and its applications

  • Authors:
  • Teimuraz Tsabadze

  • Affiliations:
  • Department of Applied Mathematics and Computer Science, The Tbilisi State University, 2 University Street, Tbilisi 0177, Georgia

  • Venue:
  • Information Sciences: an International Journal
  • Year:
  • 2008

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Abstract

This paper introduces the concept of T-reduction of binary fuzzy relations and establishes its properties. It presents an approach to providing the one-valued restoration of any boundary transitive and T-asymmetric binary fuzzy relation by its T-reduction. A theoretical basis for this approach is established, showing that T-reduction is the smallest fuzzy relation whose T-transitive closure coincides with the given binary fuzzy relation and where an (nxn) fuzzy relation on a finite universe with cardinality n can be represented by n-1 values. This approach opens up an original way for constructing the membership functions of certain binary fuzzy relations. Important examples for the application of this concept are given.