Proceedings 11th workshop on Quantum Physics and Logic, Kyoto, Japan, 4-6th June 2014, Electronic Proceedings in Theoretical Computer Science (EPTCS) 172, edited by Coecke, Bob and Hasuo, Ichiro and Panangaden, Prakash, Open Publishing Association 172 15-26 Dec 2014 [Refereed][Invited]

Proceedings 11th workshop on Quantum Physics and Logic, Kyoto, Japan, 4-6th June 2014, edited by Coecke, Bob, Hasuo, Ichiro, and Panangaden, Prakash, Open Publishing Association (2014)

ハイゼンベルク不確定性原理の発見

小澤正直

数理科学 50(9) 23-29 Sep 2012 [Invited]

偏光に関する一般化測定における測定誤差と擾乱の不確定性関係の実験的評価 II

金田文寛, BAEK So‐Young, 枝松圭一, 小澤正直

日本物理学会講演概要集 67(2) 140 Aug 2012

電子と不確定性の世界不確定性原理の新しい姿

小澤正直

科学 82(7) 778-787 Jul 2012 [Invited]

量子力学の数学的技法量子力学の未解決問題と数学

小澤正直

数理科学 50(4) 26-27 Apr 2012

偏光に関する一般化測定における測定誤差と擾乱の不確定性関係の実験的評価

BAEK So‐Young, 金田文寛, 枝松圭一, 小澤正直

日本物理学会講演概要集 67(1) 232 Mar 2012

量子力学における測定・相関・文脈性

小澤正直

素粒子論研究 119(4A) D210-D228 Feb 2012

量子測定理論入門

小澤正直

物性研究 97(5) 1031-1057 Feb 2012

Conference Activities & Talks

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Error-Disturbance Relation in Stern--Gerlach Measurements

Yuki Inoue and Masanao Ozawa

18th Asian QuantumInformation Science Conference (September 8--12, 2018, Nagoya, Japan) 11 Sep 2018

Error-Disturbance Relation in the Stern-Gerlach Measurement

Yuki Inoue, Masanao Ozawa

The 38th Quantum Information Technology Symposium (QIT38) (International Conference Center Hiroshima (ICCH), 4-5 june, 2018) 5 Jun 2018

Quantum Measurement Theory, the Uncertainty Principle and Gravitational Wave Detection: A Crossroad [Invited]

Masanao Ozawa

Kavli IPMU-Berkeley Symposium "Statistics, Physics and Astronomy" (January 11--12, 2018, Kavli IPMU) 11 Jan 2018

Quantum Root Mean Square Error and Universally Valid Uncertainty Relations [Invited]

Masanao Ozawa

Frontiers of Quantum and Mesoscopic Thermodynamics (FQMT’17) (Prague, Czech Republic, 9-15 July 2017) 12 Jul 2017

Intersubjectivity of quantum measurement

Masanao Ozawa

Workshop: Quantum Contextuality in Quantum Mechanics and Beyond (Czech Union of Scientific and Technological Societies, Prague, Czech Republic, June 4-5, 2017) 4 Jun 2017

Introduction to Mathematical Theory of Quantum Measurement [Invited]

Masanao Ozawa

Colloquium (2016-6), Department of Mathematics, Hiroshima University, October 20, 2016 20 Oct 2016

Quantum Measurement Theory for Quantum Fields [Invited]

Masanao Ozawa

Conference: Statistics, Quantum Information and Gravity (Kavli IPMU, Kashiwa, September 27, 2016) 27 Sep 2016

Soundness and Completeness of Mean Errors for Quantum Measurements [Invited]

Masanao Ozawa

Quantum Foundations Workshop (University of Pavia, Pavia, Italy, June 21-22, 2016) 22 Jun 2016

Classical Instrument Model of Cognitive Hysteresis [Invited]

Masanao Ozawa

Quantum and Beyond (QB): International conference devoted to quantum theory and experiment (Linnaeus University, Växjö, Sweden, June 13-16, 2016) 14 Jun 2016

Operational meanings of orders of observables defined through quantum set theories with different conditionals

Masanao Ozawa

The 13th International Conference on Quantum Physics and Logic (QPL2016) (University of Strathclyde, Glasgow, Scotland, June 6–10, 2016) 10 Jun 2016

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Education

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Apr 1976

Mar 1979

Department of Information Sciences, Awarded Dr. Sci. in mathematical science, Graduate School of Science and Technology, Tokyo Institute of Technology

Apr 1974

Mar 1976

Department of Information Sciences, Awarded MSc in mathematical science, Graduate School of Science and Technology, Tokyo Institute of Technology

Apr 1970

Mar 1974

Department of Information Sciences, Awarded BSc in mathematical science, Faculty of Science, Tokyo Institute of Technology

Academic & Professional Experience

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Apr 2017

Mar 2018

Designated Professor, Graduate School of Informatics, Nagoya University

Apr 2017

Mar 2018

Visiting Professor, Faculty of Science, Toho University

Apr 2016

Mar 2017

Designated Professor, Graduate School of Information Science, Nagoya University

Apr 2018

Today

Professor Emeritus, Graduate School of Informatics, Nagoya University

Apr 2009

Mar 2010

Visiting Professor, Tohoku University

Oct 2008

Mar 2014

Visiting Professor, National Institute of Informatics

Apr 2008

Mar 2016

Professor, Graduate School of Information Science, Nagoya University

Oct 2001

Mar 2008

Professor, Graduate School of Information Science, Tohoku University

May 2001

Sep 2001

Visiting Professor, Department of Electrical and Computer Science, Northwestern University

Jul 1995

Sep 2001

Professor, School of Informatics and Science, Graduate School of Human Informatics, Nagoya University

Sep 1989

Mar 1990

Visiting Scholar, Lyman Laboratory of Physics, Harvard University

Oct 1988

Aug 1989

Visiting Associate Professor, Department of Electrical Engineering and Computer Science, Northwestern University

Jun 1986

Jun 1995

Associate Professor, Department of Mathematics, College of General Education, School of Informatics and Science, Nagoya University

Mar 1985

Jun 1986

Lecturer, Department of Mathematics, College of General Education, Nagoya University

Apr 1979

Feb 1985

Assistant Professor, Department of Information Science, Faculty of Science, Tokyo Institute of Technology

Awards & Honors

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Nov 2015

Medal with Purple Ribbon

(Cabinet Office, Government of Japan)

May 2013

Chunichi Cultural Prize

(Chunichi Shimbun)

Sep 2012

Hiroshi Fujiwara Prize for Mathematical Science, Grand Prize

(Sponsored by the Mathematical Society of Japan)

Jul 2010

International Quantum Communication Award

Contributions to mathematical theory of quantum measurement and quantum computing

Apr 2010

Commendation for Science and Technology by the Minister of Education, Culture, Sports, Science and Technology

Sep 2008

Mathematical Society of Japan Prize, Autumn Prize

Feb 1980

Tejima Memorial Research Prize

Association Memberships

Japan Association for Philosophy of Science(78) , Mathematical Society of Japan(431)

Research Areas

Mathematics / Foundations of mathematics/Applied mathematics / quantum information science, mathematical physics, mathematical logic, philosophy of science

Research Interests

Quantum Logic(3) , Quantum Computing(13) , Quantum Set Theory(1) , Quantum Information(43) , Quantum Foundations(2) , Uncertainty Principle(1) , Quantum Measurement(6)

Research Grants & Projects

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Reality and Measurement in Algebraic Quantum Theory

The John Templeton Foundations: Core Funding Area, Science and the Big Questions, Mathematical and Physical Sciences

Project Year: Oct 2012 - Jun 2015 Investigator(s): Masanao Ozawa

Study of Quantum Set Theory Aiming at an Interpretation of Elements of Reality in Quantum Theory

Ministry of Education, Culture, Sports, Science and Technology: Grants-in-Aid for Scientific Research(挑戦的萌芽研究)

Project Year: Apr 2012 - Mar 2014 Investigator(s): Masanao OZAWA

It is one of long-standing open problems in the field across physics and philosophy to give a realistic interpretation for values of quantum observables. In this research we proposed a new approach to this problem based on quantum set theory. We ...

Quantum Set Theory Aiming at Realistic Interpretation of Quantum Theory

Ministry of Education, Culture, Sports, Science and Technology: Grants-in-Aid for Scientific Research(挑戦的萌芽研究)

Project Year: Apr 2010 - Mar 2012 Investigator(s): Masanao OZAWA

The problem of realistic interpretation of quantum theory has produced several paradoxes and remains an important open problem in foundations of quantum theory. In this study we introduced methods of foundations of mathematics into this problem, a...

Mathematical study of quantum information and quantum computing

Ministry of Education, Culture, Sports, Science and Technology: Grants-in-Aid for Scientific Research(基盤研究(B))

Project Year: 2005 - 2008 Investigator(s): Ozawa MASANAO

Mathematical Research of Quantum Information and Quantum Computing

Ministry of Education, Culture, Sports, Science and Technology: Grants-in-Aid for Scientific Research(基盤研究(B))

Project Year: 2002 - 2004 Investigator(s): Masanao OZAWA

1.Heisenberg's uncertainty principle, which gives the trade-off between measurement noise and disturbance, has been reconsidered. Its limitation of the validity has been clarified and the universally valid generalization (universal uncertainty pri...

Mathematical Research on Mathematical Models of Quantum Computing

Ministry of Education, Culture, Sports, Science and Technology: Grants-in-Aid for Scientific Research(基盤研究(B))

Project Year: 1999 - 2001 Investigator(s): Masanao OZAWA

The following results have been obtained on mathematical foundations on quantum Turing machine and quantumcircuits: (1) Local transition functions of quantum Turing machines (QTM) are generally characterized including multitape cases. (2) The noti...

Unitary Representations of Hyperfinite Heisenberg Groups and Their Applications to Quantum Physics

Ministry of Education, Culture, Sports, Science and Technology: Grants-in-Aid for Scientific Research(基盤研究(B))

Project Year: 1996 - 1998 Investigator(s): Masanao OZAWA

This is an interdisciplinary research including foundations of mathematics, applied analysis, mathematical physics, and quantum mechanics. The representation theory of hyperfinite Heisenberg groups was instituted by Ojima and Ozawa in 1992 in orde...