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Research article2017Peer reviewed

On E [Pi(k)(i=0) Tr{W-mi}], where W similar to Wp (l, n)

Pielaszkiewicz, Jolanta; Von Rosen, Dietrich; Singull, Martin

Abstract

In this paper, we give a general recursive formula for [Pi(k)(i=0) Tr{W-mi}], where W similar to Wp (l, n) denotes a real Wishart matrix. Formulas for fixed n, p are presented as well as asymptotic versions when n/p (n,p ->infinity) -> c, i.e., when the so called Kolmogorov condition holds. Finally, we show application of the asymptotic moment relation when deriving moments for the Marchenko-Pastur distribution (free Poisson law). A numerical illustration using implementation of the main result is also performed.

Keywords

Eigenvalue distribution; free moments; free Poisson law; Marchenko-Pastur law; random matrices; spectral distribution; Wishart matrix

Published in

Communications in Statistics - Theory and Methods
2017, Volume: 46, number: 6, pages: 2990-3005
Publisher: TAYLOR & FRANCIS INC

    UKÄ Subject classification

    Probability Theory and Statistics

    Publication identifier

    DOI: https://doi.org/10.1080/03610926.2015.1053942

    Permanent link to this page (URI)

    https://res.slu.se/id/publ/94149