Rchr
J-GLOBAL ID:200901087721470098
Update date: Jul. 26, 2024
Fujiwara Akio
フジワラ アキオ | Fujiwara Akio
Affiliation and department:
Job title:
Professor
Homepage URL (1):
http://www.math.sci.osaka-u.ac.jp/~fujiwara/
Research field (3):
Applied mathematics and statistics
, Mathematical physics and basic theory
, Basic mathematics
Research keywords (4):
Noncommutative Statistics
, Information Geometry
, Quantum Information
, Mathematical Engineering
Research theme for competitive and other funds (32):
- 2023 - 2028 量子力学的システムの統計的性質に内在する情報幾何構造の総合的研究
- 2017 - 2022 古典および量子統計的システムにおける新規な情報幾何構造の探究
- 2015 - 2018 Structures of empirical probability spaces associated with convex games
- 2010 - 2016 Exploring Information Geometrical Methods in Noncommutative Probability Theory
- 2010 - 2012 Information theoretic study of empirical probability
- 2009 - 2012 Consistency of Bayesian Network Structure Learning
- 2010 - 2011 量子サイバネティクスにおける量子推定理論の新たな展開
- 2006 - 2009 New development of sufficiency and exponential families in classical and quantum information systems
- 2006 - 2009 Quantum information geometrical methods in noncommutative statistics
- 2005 - 2007 アルゴリズム的エルゴード理論
- 2003 - 2005 Information Geometry for Quantum Systems and Its Applications
- 2003 - 2005 Statistical Estimation Theory for Quantum Channels
- 2001 - 2003 捩れをもつ接続の幾何学
- 2001 - 2003 New Developments of Information-Spectrum Theory
- 2001 - 2003 The Hitchin-Kobayashi correspondence for Manifolds
- 2000 - 2003 Multivariable multifractal analysis
- 2000 - 2002 Geometry of Numbers on Homogeneous Spaces and Generalized Hermite Constants
- 1999 - 2000 Operational methods in quantum information theory
- 1997 - 1999 Theory of multi-wavelet and its application
- 1997 - 1998 量子状態の情報幾何構造の研究
- 1997 - 1998 A Modern Approach to Geometry of Curves and Surtaces and its Applications
- 1996 - 1996 Maass Koecher Seriesの研究
- 1996 - 1996 量子情報系の統計的漸近理論
- 1995 - 1996 Nonlinear Schrodinger eqnations on riemannian manitolds
- 1995 - 1995 ジョルダン代数のゼ-ヌ関数と保型形式の次元
- 1993 - 1993 神経回路モデルに基づく学習情報処理機構の研究
- ランダムネス
- 情報幾何学
- 量子情報理論
- randomness
- Information Geometry
- Quantum Information Theory
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Papers (40):
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Masataka Kimizu, Fuyuhiko Tanaka, Akio Fujiwara. Adaptive quantum state estimation for two optical point sources. Physical Review A. 2024. 109. 3
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Akio Fujiwara, Koichi Yamagata. Efficiency of estimators for locally asymptotically normal quantum statistical models. The Annals of Statistics. 2023. 51. 3. 1159-1182
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Akio Fujiwara. Hommage to Chentsov’s theorem. Information Geometry. 2022
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Yuzuru Sato, Daiji Tsutsui, Akio Fujiwara. Noise-induced degeneration in online learning. Physica D: Nonlinear Phenomena. 2022. 430. 133095-133095
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Akio Fujiwara. Dually flat structures induced from monotone metrics on a two-level quantum state space. The European Physical Journal Plus. 2020. 135. 10
more...
MISC (17):
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Oyama Satoshi, Okamoto Ryo, Ono Takafumi, Takeuchi Shigeki, Yamagata Koichi, Fujiwara Akio. 30aCC-8 Adaptive Quantum State Estimation for Single Quantum Bit. Meeting abstracts of the Physical Society of Japan. 2014. 69. 1. 215-215
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Oyama Satoshi, Iefuji Minako, Okamoto Ryo, Yamagata Koichi, Fujiwara Akio, Takeuchi Shigeki. 19aAK-9 Adaptive Measurement for Quantum Phase Estimation II. Meeting abstracts of the Physical Society of Japan. 2012. 67. 2. 141-141
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Iefuji Minako, Okamoto Ryo, Yamagata Koichi, Imai Hiroshi, Fujiwara Akio, Takeuchi Shigeki. 22pEB-4 Adaptive Measurement for Quantum Phase Estimation. Meeting abstracts of the Physical Society of Japan. 2011. 66. 2. 151-151
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FUJIWARA Akio. Quantum Channel Coding Problems : Variations on a Theme by Holevo. The Journal of the Institute of Electronics,Information and Communication Engineers. 2002. 85. 8. 586-590
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Akio Fujiwara. Statistical estimation of a quantum channel. Foundations of Quantum Mechanics in the Light of New Technology, edited by Y.A. Ono and K. Fujikawa. 2002
more...
Books (3):
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幾何学入門事典
朝倉書店 2023 ISBN:9784254111583
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情報幾何学の基礎 : 情報の内的構造を捉える新たな地平
共立出版 2021 ISBN:9784320114517
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情報幾何学の基礎
牧野書店,星雲社 (発売) 2015 ISBN:9784434208812
Education (2):
- 1991 - 1993 The University of Tokyo The Graduate School of Engineering Department of Mathematical Engineering and Information Physics
- 1980 - 1984 The University of Tokyo The Faculty of Engineering Department of Applied Physics
Professional career (1):
- Ph.D. (The University of Tokyo)
Work history (8):
- 2005/10 - 現在 Osaka University Graduate School of Science Department of Mathematics Professor
- 2012/09 - 2013/01 University of Cambridge Visiting Academic
- 2006/08 - 2007/03 University College London Visiting Academic
- 2000/10 - 2005/09 Osaka University Graduate School of Science Department of Mathematics Associate Professor
- 1994/10 - 2000/09 Osaka University Graduate School of Science Department of Mathematics Assistant Professor
- 1997/10 - 1999/03 Stanford University Visiting Scholar
- 1997/02 - 1997/03 Stanford University Visiting Scholar
- 1993/04 - 1994/09 The University of Tokyo The Graduate School of Engineering Research Associate
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Association Membership(s) (2):
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