Quasi-copulas and copulas on a discrete scale

Authors:
A. Kolesárová;J. Mordelová
Affiliations:
Department of Mathematics, FCHFT, Slovak University of Technology, Radlinského 9, 812 37, Bratislava, Slovakia;Department of Mathematics, FCE, Slovak University of Technology, Radlinského 11, 813 68, Bratislava, Slovakia
Venue:
Soft Computing - A Fusion of Foundations, Methodologies and Applications
Year:
2006

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Abstract

In the paper the structure of quasi-copulas and copulas on a finite discrete scale is studied. The possibility of construction of quasi-copulas (copulas) from given values at diagonal points is investigated. Moreover, the problem of the uniqueness of the existence of a quasi–copula (copula) with given diagonal section is solved. Several examples are included.