Elsevier

Fuzzy Sets and Systems

Volume 53, Issue 1, 11 January 1993, Pages 33-38
Fuzzy Sets and Systems

A characterization of a class of aggregation functions

https://doi.org/10.1016/0165-0114(93)90521-IGet rights and content

Abstract

The called aggregation functions are an important kind of binary operations used in fuzzy sets theory. In this paper we characterize two special classes of aggregation functions by functional equations. We also solve the same functional equations when the involving functions are t-norms.

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