• Yoshihiro Usami
• Associate Professor
• School of Business Administration, Senshu University
• 2-1-1, Higashimita, Tama-ku, Kawasaki-shi, Kanagawa, 214-8580, Japan
• E-mail: yusami @ isc.senshu-u.ac.jp
• Phone(Office): +81-(0)44-911-1210
• Fax: +81-(0)44-911-1231

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Japanese

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Curriculum Vitae

• Position Held:
  • April 1998 - Present, Associate Professor, School of Business Administration, Senshu University
  • April 1993 - March 1998, Assistant Professor, School of Business Administration, Senshu University

• Education:
  • March 1985, Bachelor of Business Administration, Senshu University
  • March 1987, Master of Business Administration, Senshu University
  • April 1987 - March 1990, Student of Ph.D. course of Business Administrations, Senshu University (left in March 1990)
  • April 1990 - March 1993, Research Student, Tokyo Institute of Technology

• Membership:
  • The Japan Statistical Society
  • The Mathematical Society of Japan
  • Japanese Association of Mathematical Sciences

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List of Works

• Articles Refereed in Journals
  • Usami, Y. and Huzii, M. (1995), ``Estimation of coefficients of time series regression with a nonstationary error process,'' Journal of Time Series Analysis, Vol. 16, No. 1, pp. 105-118, Blackwell Publishers.
  • Usami, Y. and Toyooka, Y. (1997), ``On the degeneracy of the distribution of a GLSE in a regression with a circularly distributed error,'' Mathematica Japonica, Vol. 45, No. 3, pp. 423-431.
  • Usami, Y. and Toyooka, Y. (2001), ``An examination of estimated residuals in a regression with an infinite order parametric model,'' Communications in Statistics: Theory and Methods, Vol. 30, No. 10, pp. 1989-2004, Marcel Dekker, Inc., New York.
  • Usami, Y. (2002), ``Some asymptotic properties of the least squares estimators of a polynomial regression with a heteroskedastic error,'' Communications in Statistics: Theory and Methods, Vol. 31, No. 4, pp. 625-637, Marcel Dekker, Inc., New York.

• Article Refereed in Proceedings
  • Usami, Y. and Huzii, M. (1993), ``Least squares estimators of regression coefficients by using misspecified covariance structure for error process,'' Statistical Sciences and Data Analysis: Proceedings of the Third Pacific Area Statistical Conference, pp. 49-60, VSP International Science Publishers, Utrecht.

• Research Reports
  • Usami, Y. and Huzii, M. (1991), ``Least squares estimators of regression coefficients by using misspecified covariance structure for error process,'' Research Reports on Information Sciences, No. B-247, Department of Information Sciences, Tokyo Institute of Technology.
  • Usami, Y. and Huzii, M. (1993), ``Estimation of coefficients of time series regression with nonstationary error process,'' Research Reports on Information Sciences, No. B-273, Department of Information Sciences, Tokyo Institute of Technology.
  • Usami, Y. and Toyooka, Y. (1996), ``On the degeneracy of the distribution of a GLSE in a regression with a circularly autoregressive error,'' Discussion Paper Series, No.2, The Economic Society of Fukushima University.
  • Usami, Y. (1996), ``Some asymptotic properties of the least squares estimators of the coefficients in a polynomial regression with a heteroskedastic error,'' Information Science and Applied Mathematics, Vol. 5, pp. 11-29, The Institute of Information Science, Senshu University.

• Conference Presentations
  • Usami, Y. and Huzii, M. (Kobe University, July 1991), ``Generalized least squares Estimator of the coefficients of the regression by fitting misspecified covariance structure (The original title is in Japanese 誤差系列に誤った共分散構造を仮定した場合の回帰係数の推定について.),'' The Japan Statistical Society.
  • Usami, Y. and Huzii, M. (December 1991), ``Least squares estimator by using misspecified covariance structure for error process,'' The 3rd Pacific Area Statistical Conference.
  • Usami, Y. and Huzii, M. (Ishinomaki-Senshu University, July 1992). ``Estimation of the coefficients of the regression with a nonstationary error series (The original title is in Japanese 誤差系列が非定常な回帰モデルの係数の推定.),'' The Japan Statistical Society.
  • Usami, Y. and Toyooka, Y. (Oita University, July 1995), ``An examination of uniform bounds for the normal approximations to the distributions of GLSE and GLSP,'' The Japan Statistical Society.
  • Usami, Y. and Toyooka, Y. (Oita University, July 1995), ``On the degeneracy of the distribution of a GLSE with an approximated inverse of the covariance matrix for the AR(1) in a regression model,'' The Japan Statistical Society.
  • Usami, Y. and Toyooka, Y. (Tohoku University, September 1995), ``On the degeneracy of the distribution of a GLSE of a regression with a circularly distributed error,'' The Mathematical Society of Japan.

• Other Works
  • Usami, Y. and Toyooka, Y. (1997), ``Errata of Kariya and Toyooka (1992), Bounds for normal approximations to the distributions of generalized least squares predictors and estimator,'' Journal of Statistical Planning and Inference, Vol. 58, pp. 399-405.
  • Usami, Y. (1997), ``Asymptotic properties of estimators of a regression with a heteroskedastic error,'' Information Science and Applied Mathematics, Vol. 6, pp. 17-23, The Institute of Information Science, Senshu University.

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yusami@isc.senshu-u.ac.jp