|Title||A note on the duality between continuous t-norm and t-conorm operators|
|Publication Type||Conference Paper|
|Year of Publication||2003|
|Authors||Godo L, Sandri S|
|Conference Name||Proceedings of 12th IEEE International Conference on Fuzzy Systems(FUZZ-IEEE 2003) May, 2003. St. louis|
De Morgan duality between a t-norm T and a t-conorm S is defined with respect to an involutive (or strong) negation N, so that S (x, y)=N (T (N (x), N (y))), and vice versa T (x, y)=N (S (N (x), N (y))). A weaker form of duality can be met when the negation operator N is only required to be a decreasing bijection such that S=N^-1 T (N*N). In the paper we address some issues about the (general) duality between continuous t-norms and t-conorms. Given such a t-norm T and such a t-conorm S, we show how to construct a negation N (possibly non-involutive) that makes T and S become N-dual.
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