T-norm-based limit theorems for fuzzy random variables

  • Authors:
  • S. Wang;J. Watada

  • Affiliations:
  • Management Engineering Laboratory, Graduate School of Information, Production and Systems, Waseda University, Kitakyushu, Fukuoka, Japan;(Correspd. Tel.: +81 80 3228 1030/ Fax: +81 93 692 5179. E-mails: smwangips@gmail.com (S. Wang)/ junzow@osb.att.ne.jp (J. Watada)) Management Engineering Laboratory, Graduate School of Information ...

  • Venue:
  • Journal of Intelligent & Fuzzy Systems: Applications in Engineering and Technology
  • Year:
  • 2010

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Abstract

The objective of this paper is to derive some limit theorems of fuzzy random variables under the extension principle associated with continuous Archimedean triangular norms (t-norms). First of all, some convergence theorems for the sum of fuzzy random variables in chance measure and expected value are proved respectively based on the arithmetics of continuous Archimedean triangular norms. Then, a law of large numbers for fuzzy random variables is established by using the obtained convergence theorems. The results of the derived law of large numbers can degenerate to the strong laws of large numbers for random variables and fuzzy variables, respectively.