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Query: "author" (Bojan Kuzma) .

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1.
Vanishing immanants
Hassan Cheraghpour, Bojan Kuzma, 2024, original scientific article

Abstract: We classify all the irreducible characters of a symmetric group such that the induced immanant function $d$ vanishes identically on alternate matrices with the entries in the complex field.
Keywords: integer partition, young diagram, irreducible character, immanant alternate matrix
Published in DiRROS: 06.05.2024; Views: 97; Downloads: 46
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2.
Quasi-copulas as linear combinations of copulas
Gregor Dolinar, Bojan Kuzma, Nik Stopar, 2024, original scientific article

Abstract: We prove that every quasi-copula can be written as a uniformly converging infinite sum of multiples of copulas. Furthermore, we characterize those quasi-copulas which can be written as a finite sum of multiples of copulas, i.e., that are a linear combination of two copulas. This generalizes a recent result of Fernández-Sánchez, Quesada-Molina, and Úbeda-Flores who considered linear combinations of discrete copulas.
Keywords: quasi-copulas, copulas, linear combination, affine combination, Minkowski norm
Published in DiRROS: 16.02.2024; Views: 168; Downloads: 70
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