Yoshinao SHIRAKI

RESEARCH INTERESTS:

A rapid tale of Riemannian Geometry, Hilbert space, and Lebesgue integral (in Japanese 1999.09.22)

A brief tale of mirror symmetry（from K.Fukaya、Symplectic Geometry） (in Japanese 1999.09.22)

Gauge theory, Topological field theory, Defferential Topology ( in Japanese 1999.07.13 )

recent interests (in Japanese 1999.06.03 )

Deformation of speech-spectrum and Floer homology (in Japanese 1998.10.27)

Self introduction:Very-low-bit rate speech coding and speaker adaptation ( in Japanese 1998.07.17 )

Large deviations (in Japanese 1998.07.17)

RECENT PAPERS:

1. T.Oaku, Y.Shiraki, and N.Takayama, ``Algebraic Algorithms for $D$-modules and Numerical Analysis,'' in Proc. of The Asian Symposium on Computer Mathematics, ASCM2003, 2003.04 (to appear)
2. SHIRAKI.Y,`` Design of 2D-filters preserving curvature as well as boundary conditions,'' Proceedings of Spring meeting of Jap. Acoust Soc. ,pp.421-2, 2003.03
3. SHIRAKI.Y, 2-D Filter Design using D-modules , the 25th Symposium on Information Theory and Its Application (SITA 2002)(2002.12)
4. T.Shinmura, Y.Shiraki, N.Mukawa, M.Sawaki, and N.Hagita, Enhancing Character Recognition by Optimizing Focal Length, IAPR Workshop on Machine Vision Applications, 2002.12
5. Y.SHIRAKI, Design of 2-D recursive filters using computational D-modules, IEEE Digital Signal Processing Workshop, 2002.10
6. SHIRAKI.Y :Restriction calculation of 2-dimensional ARMA filter using D-modules, Proceedings of Fall meeting of Jap. Acoust Soc.
7. T.Shinmura, Y.Shiraki, N.Mukawa, M.Sawaki, and N.Hagita, Character Recognition in Scene Images by Controlling Focal Length, IEICE, Technical Report, PRMU2001-268,2002.03
8. SHIRAKI.Y : Singularuty analysis based on comprehensive Groebner bases, the 24th Symposium on Information Theory and Its Application (SITA 2001)(2001.12)
9. T.Shinmura, Y.Shiraki, N.Mukawa, M.Sawaki, and N.Hagita, Camera-distance-related properties of character recognition, IEICE, Technical Report,, PRMU2001-97,2001.09
10. Y. Shiraki, Discrete stratified Morse theory and tangent cone algorithm for a solution set of n-variate polynomial equations
    (to appear in LMS (London Mathematical Society) and EPSRC workshop; Uncertainty in computational geometry, 5-6, July; Sheffield, England geom2001)(2001.07.05)
11. SHIRAKI Y.: Analytic continuation of rational function with several complex variables and the Radon transformation, ,the 23th Symposium on Information Theory and Its Application (SITA99),(2000.10.12)
12. SHIRAKI Y.: Interpolation methods of the rational function with 2 complex variables using Radon transformation, Proc. Fall meeting of Japan Acoust. Soc.(2000.09.20)
13. SHIRAKI Y.:Differential operator and multiple structure of speech spectrum, IEICE, Technical Report,(Speech) SP2000-09,(2000.05.26) ,abst, manuscript
14. SHIRAKI Y.:Uhlenbeck compactification and mlutiple strucure of speech spectrum, IEICE, Technical Report,(Information Theory) IT99-58,(2000.01.20) ,abst, manuscript
15. SHIRAKI Y.: Non-linear Laplacian and spectral deformation, ,the 22th Symposium on Information Theory and Its Application (SITA99),1999.12.01
16. SHIRAKI Y.: Mulutiple strucure of speech spectrum: ：Language／Individuality = Identification／Adaptation - Variational approach to determine connection energy function, Mathematical statistics seminer（Tokyo Univ.）,abstract (text file :1999.10.28)
17. SHIRAKI Y.:Construction of Witten's Complex and Spectral Deformation, (Preprint 1999.09.20)
18. SHIRAKI Y.:Differential topological approach to smooth spectral deformation, (Preprint 1999.09.14)
19. SHIRAKI Y.：Statistical manifolds and speaker individualities, Proc. Fall meeting of Japan Acoust. Soc.(1999.09)
20. SHIRAKI Y.: An application of the Yang-Mills equations to speech signal processing, INTERNATIONAL
    CONFERENCE ON TOPOLOGY AND ITS APPLICATIONS (special issue; Elsevier Science Publishers B.V.,
    North-Holland) 1999.08.23
    

    submitted Abstract:1999.06.25

21. SHIRAKI Y.:The Yang-Mills equations and Speaker adaptation, IEICE, Technical Report,(Speech) SP99-8, pp.53-60, 1999.05.20
22. SHIRAKI Y.:Quantum connections and Laplacian information, IEICE, Technical Report,(Information Theory) IT99-1, pp.1-6, 1999.05.17
23. SHIRAKI Y.: Smooth interpolation of a pair of speech spectral sequences by minimizing a connection energy (Preprint 1999.01.30)
24. SHIRAKI.Y: Speaker adaptation scheme based on connections, Proceedings of Spring meeting of Jap. Acoust Soc、1999.03.11
25. SHIRAKI.Y : On the role of a probability distributions in very-low-bit rate speech coding,；ISM symposium (1999.02.03 version） 、1998.12.15
26. SHIRAKI, Y: Functionals of connections and Witten's complex, the 21th Symposium on Information Theory and Its Application(SITA98),1998.12
27. SHIRAKI, Y: Witten's complex of spectral deformation and Morse theory, Proceedings of IEEE International Symposium on Information Theory ,1998.08
28. SHIRAKI, Y: Homology and geometrical structure of stochastic process, the 20th Symposium on Information Theory and Its Application(SITA97),1997.12
29. SHIRAKI,Y: Geometry of stochastic differential equations (SDE) and speaker adaptation, Tech. Repo. of IEICE, SP97-8, 1997.05
30. SHIRAKI,Y: Large deviation theory and Malliavin calculus, Tech. Repo. of IEICE, SP96-129, 1997.03
31. SHIRAKI, Y: Deformation of spectrum and relative Donaldson invariants, the 19th Symposium on Information Theory and Its Application(SITA96),1996.12
32. SHIRAKI, Y: Homotopy equivalent spectral transformation and Morse theory, IEICE Trans. Fund. Vol. E78-A, No.9, 1995-09
33. Paper list (2003.04.01 updated:in Japanese).

Memo：

1. SHIRAKI,Y., M-Parcor( Multi-dimensional partial correlation ), and Orthogonal Projection： Review：Email to Mr. Emura 1998.07.14 (in Japanese)：
2. SHIRAKI, Y., Mutual relationships between ICA (Independent Component Analysis), PCA(Principal Component Analysis) , PP(Projection Pursuit), M-Parcor( Multi-dimensional partial correlation), and g-Inv(genaralized Inverse)： （Linear、Orthogonal）Projection、（Linear、Non-linear) equations、 Hilbert space, and Moduli（the number of independent paremeters） （1998.07.10 memo: abstract and references）(in Japanese)

Lectures: 2003, 2002, 2001, 2000, 1999, 1998, before 1997

Link Page (in Japanese)