Fujita Keiko 藤田景子

… Alternative Names

FUJITA KEIKO 藤田景子

FUJITA Keiko 藤田景子

藤田景子フジタケイコ

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Researcher Number	40274568
External Links
Affiliation (Current)	2025: 富山大学, 学術研究部理学系, 教授
Affiliation (based on the past Project Information) *help	2013 – 2014: 富山大学, 大学院理工学研究部(理学), 教授 2011 – 2012: 佐賀大学, 文化教育学部, 准教授 2007 – 2009: Saga University, 文化教育学部, 准教授 2006: 佐賀大学, 文化教育学部, 助教授 1998 – 1999: 佐賀大学, 文化教育学部, 助教授 1996: 佐賀大学, 文化教育学部, 助教授 1995: 佐賀大学, 教育学部, 講師
Review Section/Research Field	Principal Investigator General mathematics (including Probability theory/Statistical mathematics) / Basic analysis / Basic analysis / 解析学 Except Principal Investigator Education on school subjects and activities / Geometry
Keywords	Principal Investigator 調和関数 / 複素球面 / 信号源分離 / 逆問題 / 二重級数 / 正則関数 / 積分公式 / 再生核 / 国有関数 / ラプラス作用素 … More / ヒルベルト空間 / ラプラス作用素の固有空間 / リー球 / フーリエ・ボレル変換 / 解析汎関数 / 複素光錐 … More Except Principal Investigator 義務教育 / 中1ギャップ / 市民的教養としての算数・数学 / 小中接続 / 高校受験と部活動 / 中学教員の多忙感 / 小学校と中学校の学校文化 / カリキュラムの接続 / 小中一貫・連携 / 中学数学の授業改革 / カリキュラム接続 / 算数・数学 / 小中一貫 / 学校教育 / Horikawa surface / simple invariant / コボルディズム / 周期的同相写像 / スカラー曲率 / 計量の共形変形 Less

Wavelet analysis and its application to the blind source separation problemPrincipal Investigator
- Principal Investigator
  
  FUJITA KEIKO
- Project Period (FY)
  2011 – 2014
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  General mathematics (including Probability theory/Statistical mathematics)
- Research Institution
  University of Toyama
  Saga University
Some formulas induced by calculations of reproducing kernels and its applkicationsPrincipal Investigator
- Principal Investigator
  
  FUJITA Keiko
- Project Period (FY)
  2007 – 2008
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Basic analysis
- Research Institution
  Saga University
A Fundamental Study for Connections between Arithmetics at Elementary School and Mathmatics at Junior High School
- Principal Investigator
  
  INOUE Masachika
- Project Period (FY)
  2007 – 2009
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Education on school subjects and activities
- Research Institution
  Saga University
リー球上のラプラス作用素の固有空間と複素球面上の関数空間Principal Investigator
- Principal Investigator
  
  藤田景子
- Project Period (FY)
  1998 – 1999
- Research Category
  
  Grant-in-Aid for Encouragement of Young Scientists (A)
- Research Field
  
  Basic analysis
- Research Institution
  Saga University
複素球面、複素光錐上の解析汎関数の研究Principal Investigator
- Principal Investigator
  
  藤田景子
- Project Period (FY)
  1996
- Research Category
  
  Grant-in-Aid for Encouragement of Young Scientists (A)
- Research Field
  
  解析学
- Research Institution
  Saga University
リーマン多様体の共形変形とスカラー曲率
- Principal Investigator
  
  河合茂生
- Project Period (FY)
  1995
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  Saga University

All 2015 2014 2013 2012 2011 2009 2008 2007 2006 Other

All Journal Article Presentation

[Journal Article] Gabor transform of analytic functional on the sphere2015
- Author(s)
  K.Fujita
- Journal Title
  
  Current Trends in Analysis and its Applications, Proceedings of the 9th ISAAC Congress, Krakow 2013, Springer.
  
  Volume: なし Pages: 451-458
- DOI
  10.1007/978-3-319-12577-0_50
- ISBN
  9783319125763, 9783319125770
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-23540146
[Journal Article] Gabor transformation on the circle2014
- Author(s)
  K.Fujita
- Journal Title
  
  Proceedings of the 2014 International Conference on Wavelet Analysis and Pattern Recognition
  
  Volume: なし Pages: 122-126
- DOI
  10.1109/icwapr.2014.6961302
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-23540146
[Journal Article] Gabor transformation on the sphere2013
- Author(s)
  Keiko Fujita
- Journal Title
  
  Proceedings of the he Sixth International Conference on Information
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540146
[Journal Article] On Blind Source Separation Problrm in Time-Frequency Space2012
- Author(s)
  K.Fujita
- Journal Title
  
  Progress in analysis, Proceedings of the 8th Congress of the ISAAC
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540146
[Journal Article] Remarks on a method to estimate the number of sources on blind source separation2012
- Author(s)
  K.Fujita
- Journal Title
  
  Proc. of the 2012 International Conference on Wavelet Analysis and Pattern Recognition
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540146
[Journal Article] Reproducing kernels for holomorphic functions on some balls related to the Lie ball2009
- Author(s)
  K. Fujita
- Journal Title
  
  Ann. Polo. Math 91.2-3
  
  Pages: 219-234
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18540186
[Journal Article] Integral representations for holomorphic functions on some balls2009
- Author(s)
  K. Fujita
- Journal Title
  
  Proceedings of the 16th International conference on finite or infinite dimensional complex analysis and applications
  
  Pages: 93-98
- Data Source
  KAKENHI-PROJECT-18540186
[Journal Article] Integral representations on some balls related to the Lie ball2008
- Author(s)
  K. Fujita
- Journal Title
  
  Proceedings of international symposium on new development of geometric function theory and its applications, School of mathematical sciences faculty of science & technology university Kebangsaan Malaysia
  
  Pages: 110-117
- Data Source
  KAKENHI-PROJECT-18540186
[Journal Article] Topics on the Bergman kernel for some balls2008
- Author(s)
  K. Fujita
- Journal Title
  
  Proceedings of the 5th International ISAAC Congress, World Scientific publishers 無
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18540186
[Journal Article] Bergman kernels and Szego kernels for some balls related to the Lie ball, Function Spaces in Complex and Clifford Analysis2008
- Author(s)
  K. Fujita
- Journal Title
  
  National University Publishers Hanoi
  
  Pages: 79-89
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18540186
[Journal Article] Topics on the Bergman kernel for some balls2008
- Author(s)
  K. Fujita
- Journal Title
  
  Proceedings of the 5th International ISAAC Congress, World Scientific publishers
  
  Pages: 125-135
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18540186
[Journal Article] Bergman kernels and Szego kernels for some balls relates to the Lie ball2008
- Author(s)
  Keiko Fujita
- Journal Title
  
  Function Spaces in Complex and Clifford Analysis
  
  Pages: 79-89
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18540186
[Journal Article] Reproducing Kernels for Harmonic Functions on Some Balls, FURTHER PROGRESS IN ANALYSIS2008
- Author(s)
  K. Fujita
- Journal Title
  
  Proceedings of the 6th International ISAAC Congress
  
  Pages: 567-574
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18540186
[Journal Article] Topics on the Bergman kernel for some balls, Proceedings of the 5th International ISAAC Congress2008
- Author(s)
  K. Fujita
- Journal Title
  
  World Scientific publishers
  
  Pages: 125-135
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18540186
[Journal Article] Reproducing Kernels for Harmonic Functions on Some Balls2008
- Author(s)
  K. Fujita
- Journal Title
  
  FURTHER PROGRESS IN ANALYSIS, Proceedings of the 6th International ISAAC Congress 無
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18540186
[Journal Article] Integral representationson some balls related to the Lie ball2008
- Author(s)
  K. Fujita
- Journal Title
  
  Proceedings of international symposiumon new development of geometric function theory and its applications 無
- Data Source
  KAKENHI-PROJECT-18540186
[Journal Article] Topics on the Bergman kernel for some balls2007
- Author(s)
  Keiko Fujita
- Journal Title
  
  Proceedings of the 5th International ISAAC Congress, World Scientific publishers (in printted)
- Data Source
  KAKENHI-PROJECT-18540186
[Journal Article] Reproducing kernels for holomorphic functions on some balls related to the Lie ball2007
- Author(s)
  Keiko Fujita
- Journal Title
  
  Ann. Polo. Math (to appear)
- Data Source
  KAKENHI-PROJECT-18540186
[Journal Article] Reproducing kernels for holomorphic functions on some balls related to the Lie ball2007
- Author(s)
  Keiko Fujita
- Journal Title
  
  Ann.Polo.Math. 91.2-3
  
  Pages: 219-234
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18540186
[Presentation] Gabor transformation on the circle2014
- Author(s)
  K.Fujita
- Organizer
  International Conference on Wavelet Analysis and Pattern Recognition
- Place of Presentation
  Crowne Plaza Lanzhou, China
- Year and Date
  2014-07-15
- Data Source
  KAKENHI-PROJECT-23540146
[Presentation] An application of a quotient function in the time-frequency space2011
- Author(s)
  Keiko Fujita
- Organizer
  Conference on several complex variables
- Place of Presentation
  Jagiellonian University
- Data Source
  KAKENHI-PROJECT-23540146
[Presentation] On blind source separation problem in time-frequency space2011
- Author(s)
  Keiko Fujita
- Organizer
  The 8th ISAAC Congress
- Place of Presentation
  Peoples' Friendship University of Russia
- Data Source
  KAKENHI-PROJECT-23540146
[Presentation] Integral representations on some balls related to the Lie ball2008
- Author(s)
  K. Fujita
- Organizer
  International symposium on new development of geometric function theory and its applications
- Place of Presentation
  Social Security Training Institute (ESSET), Selangor Malaysia
- Year and Date
  2008-11-11
- Data Source
  KAKENHI-PROJECT-18540186
[Presentation] Integral representations for holomorphic functionson some balls2008
- Author(s)
  K. Fujita
- Organizer
  The 16^<th> International conference on finite or infinite dimensional complexanalysis and applications
- Place of Presentation
  Dongguk University, Gyeongju, Korea
- Year and Date
  2008-07-28
- Data Source
  KAKENHI-PROJECT-18540186
[Presentation] Integral representations for holomorphic functions on some balls2008
- Author(s)
  K. Fujita
- Organizer
  The 16^th International conference on finite or infinite dimensional complex analysis and applications, Dongguk University
- Place of Presentation
  Gyeongju, Korea
- Year and Date
  2008-07-28
- Data Source
  KAKENHI-PROJECT-18540186
[Presentation] Integral representations on some balls related to the Lie ball2008
- Author(s)
  K. Fujita
- Organizer
  International symposium on new development of geometric function theory and its applications, Social Security Training Institute (ESSET)
- Place of Presentation
  Selangor Malaysia
- Year and Date
  2008-11-11
- Data Source
  KAKENHI-PROJECT-18540186
[Presentation] Reproducing kernels for harmonic functions on some balls2007
- Author(s)
  Keiko Fujita
- Organizer
  6th ISAAC Congress
- Place of Presentation
  Middle east technical university, Ankara Turkey
- Year and Date
  2007-08-15
- Data Source
  KAKENHI-PROJECT-18540186
[Presentation] Remark on the Fourier-Borel transformation on some varieties2007
- Author(s)
  Keiko Fujita
- Organizer
  15^th International conference on finite or infinited dimensional complex analysis and applications
- Place of Presentation
  Osaka City University,Osaka
- Year and Date
  2007-07-31
- Data Source
  KAKENHI-PROJECT-18540186
[Presentation] Reproducing kernels for harmonic functions on some balls2007
- Author(s)
  K. Fujita
- Organizer
  6th ISAAC Congress, Middle east technical university
- Place of Presentation
  Ankara Turkey
- Year and Date
  2007-08-15
- Data Source
  KAKENHI-PROJECT-18540186
[Presentation] Bergman kernels and Szego kernels for some balls related to the Lie ball2006
- Author(s)
  K. Fujita
- Organizer
  The 14-th International conference on finite or infinite dimensional complex analysis and applications, Hue University
- Place of Presentation
  Vietnam
- Year and Date
  2006-08-01
- Data Source
  KAKENHI-PROJECT-18540186
[Presentation] Reproducing kernels for holomorphic functions on some balls related to the Lie ball2006
- Author(s)
  K. Fujita
- Organizer
  International Summer School in Several Complex Variables
- Place of Presentation
  Szczyrk, Poland
- Year and Date
  2006-06-20
- Data Source
  KAKENHI-PROJECT-18540186
[Presentation] Holomorphic functions on some balls related to the Lie ball2006
- Author(s)
  K. Fujita
- Organizer
  The International Symposium on Complex Function Theory and Applications, Transilvania University
- Place of Presentation
  Brasov, Romania
- Year and Date
  2006-09-05
- Data Source
  KAKENHI-PROJECT-18540186
[Presentation] Gabor transformation on the sphere
- Author(s)
  Keiko Fujita
- Organizer
  The Sixth International Conference on Information
- Place of Presentation
  Hotel Arcadia Ichigaya, Tokyo, Japan
- Data Source
  KAKENHI-PROJECT-23540146
[Presentation] Gabor transform of analytic functional on the sphere
- Author(s)
  Keiko Fujita
- Organizer
  ISAAC 2013
- Place of Presentation
  Pedagogical University, Krakow, Poland
- Data Source
  KAKENHI-PROJECT-23540146
[Presentation] Complex Analysis related to the blind source separation problem
- Author(s)
  Keiko Fujita
- Organizer
  Geometric Complex Analysis Tokyo 2012
- Place of Presentation
  University of Tokyo
- Data Source
  KAKENHI-PROJECT-23540146
[Presentation] Remarks on a method to estimate the number of sources in blind source separation
- Author(s)
  Keiko Fujita
- Organizer
  International Conference on Wavelet Analysis and Pattern Recognition 2012
- Place of Presentation
  Xian, Shaanxi, China
- Data Source
  KAKENHI-PROJECT-23540146

1. 河合茂生 (30186043)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
2. 町頭義朗 (00253584)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
3. 広瀬進 (10264144)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
4. 亀谷幸生 (70253581)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
5. 牧春夫 (60031788)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
6. INOUE Masachika (00404111)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
7. 西晃央 (60022274)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
8. MORIMOTO Akira (50239688)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results

Fujita Keiko 藤田 景子

FUJITA KEIKO 藤田 景子

FUJITA Keiko 藤田 景子

藤田 景子 フジタ ケイコ

Research Projects

Research Products

Co-Researchers

Wavelet analysis and its application to the blind source separation problemPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Some formulas induced by calculations of reproducing kernels and its applkicationsPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

A Fundamental Study for Connections between Arithmetics at Elementary School and Mathmatics at Junior High School

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

リー球上のラプラス作用素の固有空間と複素球面上の関数空間Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

複素球面、複素光錐上の解析汎関数の研究Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

リーマン多様体の共形変形とスカラー曲率

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

[Journal Article] Gabor transform of analytic functional on the sphere2015

Author(s)

Journal Title

DOI

ISBN

Data Source

[Journal Article] Gabor transformation on the circle2014

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Gabor transformation on the sphere2013

Author(s)

Journal Title

Data Source

[Journal Article] On Blind Source Separation Problrm in Time-Frequency Space2012

Author(s)

Journal Title

Data Source

[Journal Article] Remarks on a method to estimate the number of sources on blind source separation2012

Author(s)

Journal Title

Data Source

[Journal Article] Reproducing kernels for holomorphic functions on some balls related to the Lie ball2009

Author(s)

Journal Title

Data Source

[Journal Article] Integral representations for holomorphic functions on some balls2009

Author(s)

Journal Title

Data Source

[Journal Article] Integral representations on some balls related to the Lie ball2008

Author(s)

Journal Title

Data Source

[Journal Article] Topics on the Bergman kernel for some balls2008

Author(s)

Fujita Keiko 藤田景子

FUJITA KEIKO 藤田景子

FUJITA Keiko 藤田景子

藤田景子フジタケイコ