椎名洋
An asymptotic expansion of Wishart distribution when the population eigenvalues are nfinitely dispersed Statistical Methodology , 4(2):158-184 2007 Author:Yo Sheena; Akimichi Takemura
Order-preserving estimators and an inequality on the integration of zonal polynomial Communications in Statistics -Theory and Methods- , 34(7):1503-1516 2005 Author:Yo Sheena
New estimator for functions of the canonical correlation coefficients Journal of Statistical Planning and Inference , 131(1):41-61 2005 Author:Yo Sheena and Arjun, K. Gupta
Distribution of eigenvalues and eigenvectors of Wishart matrix when the population eigenvalues are infinitely dispersed and its application to minimax estimation of covariance matrix Journal of Multivariate Analysis , 94:271--299 2005, Author:Akimichi Takemura and Yo Sheena