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  • Extending sub-quasi-copulas
    Kokol-Bukovšek, Damjana ...
    The main result of this paper is a method that gives all possible quasi-copulas that extend a given sub-quasi-copula to the whole domain, i.e., unit square . It is known that extending quasi-copulas ... is a deeper challenge than extending copulas, so we need to develop new techniques to do that. Perhaps surprisingly, our method is at the same time elementary and universal - two seemingly contradicting properties that none of the known methods for extending copulas seem to possesses. We also give a construction of two quasi-copulas that unveil an interesting counterexample in imprecise probability theory.
    Source: Journal of mathematical analysis and applications. - ISSN 0022-247X (Vol. 500, iss. 1 (art. 125099), Aug. 2021, 16 str.)
    Type of material - article, component part ; adult, serious
    Publish date - 2021
    Language - english
    COBISS.SI-ID - 53305091
    DOI

source: Journal of mathematical analysis and applications. - ISSN 0022-247X (Vol. 500, iss. 1 (art. 125099), Aug. 2021, 16 str.)

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