On limit theorem for the eigenvalues of product of two random matrices

  • Authors:
  • Z. D. Bai;Baiqi Miao;Baisuo Jin

  • Affiliations:
  • School of Mathematics and Statistics, KLASMOE, Northeast Normal University, Changchun, China and Department of Statistics and Applied Probability, National University of Singapore, Singapore, Sing ...;Department of Statistics and Finance, University Science and Technology of China, Hefei, Anhui, China;Department of Statistics and Finance, University Science and Technology of China, Hefei, Anhui, China

  • Venue:
  • Journal of Multivariate Analysis
  • Year:
  • 2007

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Abstract

The existence of limiting spectral distribution (LSD) of the product of two random matrices is proved. One of the random matrices is a sample covariance matrix and the other is an arbitrary Hermitian matrix. Specially, the density function of LSD of Sn Wn is established, where Sn is a sample covariance matrix and Wn is Wigner matrix.