Extending multivariate sub-quasi-copulas

Fuente: arXiv
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Autori principali: Bukovšek, Damjana Kokol, Košir, Tomaž, Mojškerc, Blaž, Omladič, Matjaž
Natura: Preprint
Pubblicazione: 2023
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author Bukovšek, Damjana Kokol
Košir, Tomaž
Mojškerc, Blaž
Omladič, Matjaž
author_facet Bukovšek, Damjana Kokol
Košir, Tomaž
Mojškerc, Blaž
Omladič, Matjaž
contents In this paper, we introduce patchwork constructions for multivariate quasi-copulas. These results appear to be new since the kind of approach has been limited to either copulas or only bivariate quasi-copulas so far. It seems that the multivariate case is much more involved since we are able to prove that some of the known methods of bivariate constructions cannot be extended to higher dimensions. Our main result is to present the necessary and sufficient conditions both on the patch and the values of it for the desired multivariate quasi-copula to exist. We also give all possible solutions.
format Preprint
id arxiv_https___arxiv_org_abs_2309_15824
institution arXiv
publishDate 2023
record_format arxiv
spellingShingle Extending multivariate sub-quasi-copulas
Bukovšek, Damjana Kokol
Košir, Tomaž
Mojškerc, Blaž
Omladič, Matjaž
Statistics Theory
Probability
Primary: 62H05. Secondary: 26B35
In this paper, we introduce patchwork constructions for multivariate quasi-copulas. These results appear to be new since the kind of approach has been limited to either copulas or only bivariate quasi-copulas so far. It seems that the multivariate case is much more involved since we are able to prove that some of the known methods of bivariate constructions cannot be extended to higher dimensions. Our main result is to present the necessary and sufficient conditions both on the patch and the values of it for the desired multivariate quasi-copula to exist. We also give all possible solutions.
title Extending multivariate sub-quasi-copulas
topic Statistics Theory
Probability
Primary: 62H05. Secondary: 26B35
url https://arxiv.org/abs/2309.15824