N. Stopar

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20182026

most citedFinal solution to the problem of relating a true copula to an imprecise copula

26 citations · 53 across the 14 of their papers we have counts for

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Showing 2026 · math.STShow all

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math.ST2026

How far are $d$ -dimensional copulas with uniform $(d - 1)$ -marginals from (total) independence?

Damjana Kokol Bukovšek, Nik Stopar, Wolfgang Trutschnig

We consider the family $C_{d}^{Π_{d - 1}}$ of all $d$ -dimensional copulas whose $(d - 1)$ -dimensional marginals are all equal to the $(d - 1)$ -dimensional product copula $Π_{d-…

math.ST2026

Dense alternating sign matrices and imprecise copulas

Tomaž Košir, Elisa Perrone, Nik Stopar

In this paper, we study discrete quasi-copulas and discrete imprecise copulas of minimal range, which naturally correspond to alternating sign matrices. We identify dense alternati…

math.ST2026

The exact region determined by Spearman's footrule, Gini's gamma and Kendall's tau

Damjana Kokol Bukovšek, Petra Lazić, Blaž Mojškerc +1

Concordance measures are used to express the degree of association between random variables. Practitioners may use several distinct concordance measures to narrow the space of poss…

How far are d-dimensional copulas with uniform (d−1)-marginals from (total) independence?

Dense alternating sign matrices and imprecise copulas

The exact region determined by Spearman's footrule, Gini's gamma and Kendall's tau

How far are $d$ -dimensional copulas with uniform $(d - 1)$ -marginals from (total) independence?