Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
390545 | Fuzzy Sets and Systems | 2009 | 23 Pages |
Abstract
In this paper we study extensions of the arithmetic operators +, -, ·, ÷ to the lattice LI of closed subintervals of the unit interval. Starting from a minimal set of axioms that these operators must fulfill, we investigate which properties they satisfy. We also investigate some classes of t-norms on LI which can be generated using these operators; these classes provide natural extensions of the Łukasiewicz, product, Frank, Schweizer–Sklar and Yager t-norms to LI.
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