Results 211 to 220 of about 7,683 (263)

Compositions of Copulas and Quasi-Copulas

Information Sciences, 2004
The object of the research here reported is the study of compositions of copulas, quasi-copulas and semicopulas by means of a two-place real function. Specifically, let A, B and O be mappings from [0, 1]2 into [0, 1], we characterize the properties of O which ensure O(A,B) is in the same class of A and B.
DURANTE, FABRIZIO, SEMPI, Carlo
openaire   +4 more sources

Extensions of Discrete Copulas to Sparse Copulas

IEEE Transactions on Fuzzy Systems, 2021
In this article, we answer positively an open question posed in [G. Mayor, J. Suner, and J. Torrens, “Copula-like operations on finite settings,” IEEE Trans. Fuzzy Syst. , vol. 13, no. 4, pp. 468–477, Aug. 2005] concerning the extensions of discrete copulas to shuffles of Min.
Juan Fernández-Sánchez   +2 more
openaire   +1 more source

Discrete Copulas

IEEE Transactions on Fuzzy Systems, 2006
We define discrete copulas on a grid of the unit square and show that with each discrete copula there is associated, in a natural way, a bistochastic matrix. This is used in order to introduce the product of discrete copulas. Discrete copulas of order n are the smallest convex set containing the irreducible discrete copulas of order n introduced by ...
KOLESAROVA A   +3 more
openaire   +2 more sources

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