3 papers
math.ST2026
How far are -dimensional copulas with uniform -marginals from (total) independence?
Damjana Kokol Bukovšek, Nik Stopar, Wolfgang Trutschnig
We consider the family of all -dimensional copulas whose -dimensional marginals are all equal to the -dimensional product copula $Π_{d-…
math.ST2026
Random discrete copulas
Damjana Kokol BukovÅ¡ek, Damjana Kokol Bukovšek, Blaž MojÅ¡kerc +2
We introduce the notion of a bivariate random discrete copula on an equidistant mesh and explore its stochastic properties. A random discrete copula is a discrete random field, hen…
math.ST2026
The exact region determined by Spearman's footrule, Gini's gamma and Kendall's tau
Damjana Kokol BukovÅ¡ek, Petra LaziÄ, Blaž MojÅ¡kerc +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…