A characterization of quasi-copulas
Journal of Multivariate Analysis
An Introduction to Copulas (Springer Series in Statistics)
An Introduction to Copulas (Springer Series in Statistics)
Aggregation Functions (Encyclopedia of Mathematics and its Applications)
Aggregation Functions (Encyclopedia of Mathematics and its Applications)
Aggregation Functions: A Guide for Practitioners
Aggregation Functions: A Guide for Practitioners
Quasi-copulas and signed measures
Fuzzy Sets and Systems
Bivariate quasi-copulas and doubly stochastic signed measures
Fuzzy Sets and Systems
Copulæ: Some mathematical aspects
Applied Stochastic Models in Business and Industry
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In this note we provide two alternative proofs to that given in Nelsen et al. [Quasi-copulas and signed measures, Fuzzy Sets Syst. 161 (2010) 2328-2336] of the fact that the best possible lower bound for the set of n-quasi-copulas does not induce a stochastic measure on [0,1]^n for na(C)3/43: firstly, by focusing on its mass distribution, and secondly, by using concepts of self-affinity.