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Research article2012Peer reviewedOpen access

More on the Kronecker Structured Covariance Matrix

Singull, Martin; Ahmad, Rauf; Von Rosen, Dietrich

Abstract

In this article, the multivariate normal distribution with a Kronecker product structured covariance matrix is studied. Particularly focused is the estimation of a Kronecker structured covariance matrix of order three, the so called double separable covariance matrix. The suggested estimation generalizes the procedure proposed by Srivastava et al. (2008) for a separable covariance matrix. The restrictions imposed by separability and double separability are also discussed.

Keywords

Double separable covariance; Kronecker product structure; Maximum likelihood estimators; Separable covariance

Published in

Communications in Statistics - Theory and Methods
2012, Volume: 41, number: 13-14, pages: 2512-2523
Publisher: TAYLOR & FRANCIS INC