### Abstract

Invariant polynomials with matrix arguments have been defined by the theory of group representation, generalizing the zonal polynomials. They have developed as a useful tool to evaluate certain integrals arising in multivariate distribution theory, which were expanded as power series in terms of the invariant polynomials. Some interesting polynomials has been shown by people working in the field of econometric theory. In this paper, we derive the expected values of C_{φ} ^{κ,λ}(BR,BU), C _{κ}(BR)C_{λ}(BU) and C_{κ}(B ^{-1}U), where B=^{d}X′X and X_{nxp} is distributed according to an elliptical matrix distribution. We also give their applications in multivariate distribution theory including the related development in econometrics.

Original language | English (US) |
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Pages (from-to) | 64-70 |

Number of pages | 7 |

Journal | Acta Mathematicae Applicatae Sinica |

Volume | 13 |

Issue number | 1 |

DOIs | |

Publication status | Published - Jan 1 1997 |

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### All Science Journal Classification (ASJC) codes

- Applied Mathematics