2 papers
math.ST2026
Minimax Simple Bayes Estimators of a Normal Variance
Yuzo Maruyama
This paper is a follow-up to Maruyama and Strawderman (2006, Journal of Statistical Planning and Inference), which identified a new class of generalized Bayes estimators with a par…
math.ST2025
A new perspective on dominating the James-Stein estimator
Yuzo Maruyama, Akimichi Takemura
This paper presents a novel approach to constructing estimators that dominate the classical James-Stein estimator under the quadratic loss for multivariate normal means. Building o…