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- Title
Ordinal sum constructions for aggregation functions on the real unit interval .
- Authors
Mesiarová-Zem´anková, A.; Mesiar, R.; Su, Y.
- Abstract
We discuss ordinal sums as one of powerful tools in the aggregation theory serving, depending on the context, both as a construction method and as a representation, respectively. Up to recalling of several classical results dealing with ordinal sums, in particular dealing, e.g., with continuous t-norms, copulas, or recent results, e.g., concerning uninorms with continuous underlying functions, we present also several new results, such as the uniqueness of the link between t-norms or t-conorms, and related Archimedean components, problems dealing with the cardinality of the considered index sets in ordinal sums, or infinite ordinal sums of aggregation functions covering by one type of ordinal sums both t-norms and t-conorms ordinal sums.
- Subjects
CONTINUOUS functions; TRIANGULAR norms
- Publication
Iranian Journal of Fuzzy Systems, 2022, Vol 19, Issue 1, p83
- ISSN
1735-0654
- Publication type
Article