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math.ST2024
Extreme values of the mass distribution associated with -quasi-copulas via linear programming
Matej Belšak, Matjaž Omladič, Martin Vuk +1
The recent survey published in Fuzzy Sets and Systems nicknamed ``Hitchhiker's Guide'' has raised the rating of quasi-copula problems in the dependence modeling community in spite…
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…