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Freedom in constructing quasi-copulas vs. copulasMatjaž Omladič,
Nik Stopar, 2025, izvirni znanstveni članek
Povzetek: 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-copulas based on recent developments: a representation of multivariate quasi-copulas by means of infima and suprema of copulas, an extension of a classical result on shuffles of min to the setting of quasi-copulas, and a construction method for quasi-copulas obeying a given signed mass pattern on a patch.
Ključne besede: copulas, quasi-copulas, shuffles of min, patch, lattices
Objavljeno v DiRROS: 09.04.2025; Ogledov: 127; Prenosov: 51
Celotno besedilo (1,12 MB)
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