Contributions to multivariate analysis by Professor Yasunori Fujikoshi

  • Authors:

  • Minoru Siotani;Hirofumi Wakaki

  • Affiliations:

  • Department of Mathematical Information Science, Tokyo University of Science, Kagurazaka, Tokyo, Japan;Department of Mathematics, Hiroshima University, Higashi-Hiroshima, Japan

  • Venue:
  • Journal of Multivariate Analysis - Special issue dedicated to Professor Yasunori Fujikoshi
  • Year:
  • 2006

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Abstract

The purpose of this article is to review the findings of Professor Fujikoshi which are primarily in multivariate analysis. He derived many asymptotic expansions for multivariate statistics which include MANOVA tests, dimensionality tests and latent roots under normality and nonnormality. He has made a large contribution in the study on theoretical accuracy for asymptotic expansions by deriving explicit error bounds. A large contribution has been also made in an important problem involving the selection of variables with introducing "no additional information hypotheses" in some multivariate models and the application of model selection criteria. Recently he is challenging to a high-dimensional statistical problem. He has been involved in other topics in multivariate analysis, such as power comparison of a class of tests, monotone transformations with improved approximations, etc.