Prof. Kazuyuki FUJII:

University Education
1975 : B. Sc. Mathematics Kyushu University
1977 : M. Sc. Mathematics Kyushu University
1985 : D. Sc. Mathematics Kyushu University
Thesis “Study of Dynamics of Non–Linear Grassmann Sigma Models”
Main Fields of Research
General Theory of Non–Linear Sigma Models,
Non-Commutative Quantum Geometry,
Quantum Information Theory (Holonomic Quantum Computation, Fundamental Theory of
Quantum Computer based on Cavity QED, Decoherence, Copenhagen Interpretation),
Superluminal Group Velocity of Neutrinos,
Mathematical Aspect of Information Retrieval,
Mathematical Aspect of Deep Learning
Positions Held
1979/10 - 1988/09 Assistant Professor of Mathematics
Kyushu University.
1988/10 - 1999/03 Associate Professor of Mathematics
Yokohama City University.
1999/04 - 2018/03 Professor of Mathematical Sciences
Yokohama City University.
2018/04 - Visiting Professor
Yokohama City University,
Visiting Researcher
Shibaura Institute of Technology.
Social Functions
Editor of “International Journal of Geometric Methods in Modern Physics”,
World Scientific, Singapore
(http://www.worldscinet.com/ijgmmp/ijgmmp.shtml) ;
Editor of “Yokohama Mathematical Journal”, Yokohama City University and
Yokohama National University, Japan
(http://www.ymj.jks.ynu.ac.jp)
Books
“Trends in Quantum Computing Research”, Susan Shannon (Ed), Chapter 8,
Nova Science Publishers, 2006
“Computer Science and Quantum Computing”, James E. Stones (Ed), Chapter 1,
Nova Science Publishers, 2007
“Treasure Box of Mathematics” (in Japanese), Kazuyuki Fujii (Ed), Yuseisha, 2010
“Advances in Quantum Mechanics”, Paul Bracken (Ed), Chapter 7,
InTechOpen, 2013
“Quantum Mechanics Interpretations”, Krzysztof Sienicki (Ed.), Chapter 5,
Open Academic Press, 2016
Awards et al
Listed in “Who’s Who in Science and Engineering (2008-2009)”,
(Marquis Who’s Who, USA)
Papers
(1) K. Fujii : Notes on a paper of J.L.Taylor, Memoirs of the Faculty of Scinence, Kyushu
University, 32(1978), 123-136
(2) K. Fujii : A representation of complex K-groups by means of a Banach algebra,
Memoirs of the Faculty of Science, Kyushu University, 32(1978), 255-265
(3) K. Fujii : A representation of real K-groups by means of Banach algebra, Memoirs of
the Faculty of Science, Kyushu University, 34(1980), 379-394
(4) K. Fujii, T. Koikawa and R. Sasaki : Classical solutions for the supersymmetric
Grassmannian sigma models in two dimensions I, Progress of Theoretical Physics,
71(1984), 388-394
(5) K. Fujii and R. Sasaki : Classical solutions for the supersymmetric Grassmannian sigma
models in two dimensions II, Progress of Theoretical Physics, 71(1984), 831-839
(6) K. Fujii, S. Otsuki and F. Toyoda : A solution with baryon number B = 0 and
Skyrmion, Progress of Theoretical Physics, 73(1985), 524-527
(7) K. Fujii, S. Otsuki and F. Toyoda : Solutions with the Hopf index versus Skyrmions in
SU(2) nonlinear sigma model, Progress of Theoretical Physics, 73(1985), 1287-1290
(8) K. Fujii : A classical solution of the non-linear complex Grassmann -model with higher
derivatives, Communications in Mathematical Physics, 101(1985), 207-211
(9) K. Fujii : Classical solutions of higher dimensional non-linear sigma models on spheres,
Letters in Mathematical Physics, 10(1985),49-54
(10) K. Fujii : Extended Yang-Mills Models on Even Dimensional Spaces, Letters in
Mathematical Physics, 12(1986),363-370
(11) K.Fujii : Supplement to the paper ”Extended Yang-Mills Models on Even Dimentional
Spaces”, Letters in Mathematical Physics, 12(1986), 371-372
(12) H. Date, K. Fujii and H. So : Extended Skyrme Models in Even Dimensions and Higher
Dimensional Solitons, Letters in Mathemtical Physics, 13(1987), 195-200
(13) K. Fujii : A Classical Solution of Non-linear Pure Spinor Models with Higher
Derivatives, Letters in Mathematical Physics, 15(1988), 137-142
(14) K. Fujii, H. So and M. Suwa : Extended Skyrme Models in Even Dimensions and
Higher Dimensional Solitons II : Calculations of Wess-Zumino Terms in Two and Higher
Dimensions, Letters in Mathematical Physics, 15(1988), 151-158
(15) K. Fujii : On Dibaryon Ansatz in Non-linear Sigma Models : Review, Developments and
Problems, Letters in Mathematical Physics, 16(1988), 365-375
(16) K. Fujii : A Classical Solution of Scalar-Spinor Interaction Models with Higher
Derivatives on Even Dimensional Spaces, Letters in Mathematical Physics, 17(1989),
197-200
(17) K. Fujii, S. Otsuki and F. Toyoda : On Classical Configurations of SU(2) Gauge-Higgs
System, Progress of Theoretical Physics, 81(1989),462-472
(18) K. Fujii and M. Tanaka : Universal Schwinger Cocyles of Current Algebras in
(D+1)-Dimensions : Geometry and Physics, Communications in Mathematical Physics,
129(1990), 267-280
(19) K. Fujii : A relation between instantons of Grassmann -models and Toda equations II,
Letters in Mathematical Physics, 25(1992), 203-211
(20) K. Fujii : Nonlinear Grassmann -Models, Toda equations, and self-dual Einstein
equations : Supplement to previous papers, Letters in Mathematical Physics, 27(1993),
117-122
Preprints
(1) K. Fujii and M. Tanaka : Algebraic Analogue of Yang-Mills-Higgs Theory, preprint
(1988)
(2) K. Fujii : A relation between instantons of Grassmann -models and Toda equations :
Comments to the paper of DJPT, preprint (1991)
(3) K. Fujii : Height functions associated with instantons of Grassmann -models, preprint
(1992)
(4) K. Fujii : On Classical Solutions of SU(1,1) Chiral Models in Two Dimensions and a
Unitary Representation of SU(1,1), preprint (1995)
(5) K. Fujii and K. Funahashi : Extension of the Barut-Girardello coherent states and path
integral II, preprint (1997), quant-ph 9708041.
(6) K. Fujii : String Solitons in M Theory Fivebrane : A possibility of higher order U(1)
bundles, preprint (1997), hep-th 9711018.
(7) K. Fujii and T. Suzuki : Some Useful Formulas in Nonlinear Sigma Models in
(1+2)-Dimensions, preprint (1998), hep-th 9804004.
(8) K. Fujii and T. Suzuki : A Universal Disentangling Formula for Coherent States of
Perelomov’s Type, preprint (1999), hep-th 9907049.
(9) K. Fujii : More on Optical Holonomic Quantum Computer, preprint (2000), quant-ph
0005129.
(10) K. Fujii : Note on Extended Coherent Operators and Some Basic Properties, preprint
(2000), quant-ph 0009116.
(11) K. Fujii : Mathematical Foundations of Holonomic Quantum Computer II preprint
(2001), quant-ph 0101102.
(12) K. Fujii : A Relation between Coherent States and Generalized Bell States, preprint
(2001), quant-ph 0105077.
(13) K. Fujii : Generalized Bell States and Quantum Teleportation, preprint (2001),
quant-ph 0106018.
(14) K. Fujii : Geometry of Coherent States : Some Examples of Calculations of Chern
Characters, hep-ph 0108219.
(15) K. Fujii : Geometry of Generalized Coherent States : Some Calculations of Chern
Characters, hep-th 0109215.