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math.ST2024
Freedom in constructing quasi-copulas vs. copulas
Matjaž Omladič, Nik Stopar
The main goal of this paper is to study the extent of freedom one has in constructing quasi-copulas vs. copulas. Specifically, it exhibits three construction methods for quasi-copu…
math.ST2024
Bivariate measure-inducing quasi-copulas
Nik Stopar
It is well known that every bivariate copula induces a positive measure on the Borel -algebra on , but there exist bivariate quasi-copulas that do not induce a signed m…