Koichi Yamagata. Gill and Massar type bound for estimation of SU(2) channel. Physica Scripta. 2024. 99. 12. 125266
Akio Fujiwara, Koichi Yamagata. Efficiency of estimators for locally asymptotically normal quantum statistical models. The Annals of Statistics. 2023. 51. 3. 1159-1182
Koichi Yamagata, Koya Kawahara, Yuto Suzuki, Yuki Nakahodo, Shunsuke Ito, Haruka Matsukura, Maki Sakamoto. Neural Network Model for Visualization of Conversational Mood with Four Adjective Pairs. AHFE (2023) International Conference. Emerging Technologies in Healthcare and Medicine. 2023. 116
Koichi Yamagata, Jinhwan Kwon, Takuya Kawashima, Wataru Shimoda, Maki Sakamoto. Computer Vision System for Expressing Texture Using Sound-Symbolic Words. Frontiers in Psychology. 2021. 12(595986). 1-11
K. Yamagata. Maximum logarithmic derivative bound on quantum state estimation as a dual of the Holevo bound. Journal of Mathematical Physics. 2021. 62. 6. 062203-062203
A theory of quantum local asymptotic normality, Part II: Asymptotic representation theorem
(Mini Workshop: Recent Advances in Quantum Mathematical Statistics 2023)