Fujisawa Taro 藤澤太郎

… Alternative Names

FUJISAWA Taro 藤澤太郎

藤沢太郎フジサワタロウ

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Researcher Number	60280385
Affiliation (Current)	2025: 東京電機大学, 工学部, 教授
Affiliation (based on the past Project Information) *help	2020 – 2023: 東京電機大学, 工学部, 教授 2016 – 2018: 東京電機大学, 工学部, 教授 2011 – 2013: 東京電機大学, 工学部, 教授 2008 – 2010: Tokyo Denki University, 工学部, 准教授 2007: Nagano National College of Technology, dep. of general education, associate prof. … More 2007: Nagano National College of Technology, 機械工学科, 准教授 2003 – 2006: 長野工業高等専門学校, 機械工学科, 助教授 2002: 長野工業高等専門学校, 機会工学科, 助教授 2000 – 2001: 長野工業高等専門学校, 助教授 2000 – 2001: 長野工業高等専門学校, 一般科, 助教授 1999: 長野工業高等専門学校, 一般科, 講師 Less
Review Section/Research Field	Principal Investigator Algebra / Algebra / Basic Section 11010:Algebra-related Except Principal Investigator Algebra
Keywords	Principal Investigator 混合ホッジ構造 / 対数構造 / 対数幾何学 / 混合ホッヂ構造 / 対数幾何 / mixed Hodge structure / ウェイトフィルトレーション / ウェイト・フィルトレーション / ウエイト・フィルトレーション / log geometry … More / logarithmic structures / weight filtrations / リーマン・ヒルベルト対応 / モノドロミーウェイトフィルトレーション / 対数的スムース退化 / 対数的ホッジ構造 / 偏極混合ホッジ構造 / トレース射 / ギシン射 / 対数的ドラームコホモロジー / 混合ホッジ構 / 偏極 / ログ・デフォメーション / スペクトル系列 / ドラームコホモロジー群 / 多様化の退化 / 多様体の退化 / ウェイト・スペクトル列 / ウエイト・スペクトル列 … More Except Principal Investigator Castelnuovo / algebraic curve / syzygy / free resolition / 代数曲線 / シジジー / 自由分解 Less

Mixed Hodge theory on non-reduced log smooth degenerationsPrincipal Investigator
- Principal Investigator
  
  Fujisawa Taro
- Project Period (FY)
  2020 – 2023
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 11010:Algebra-related
- Research Institution
  Tokyo Denki University
A study of mixed Hodge structures for semisatable log smooth degenerationsPrincipal Investigator
- Principal Investigator
  
  Fujisawa Taro
- Project Period (FY)
  2016 – 2018
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Tokyo Denki University
Degeneration of log Hodge-de Rham spectral sequences and mixed Hodge structuresPrincipal Investigator
- Principal Investigator
  
  FUJISAWA Taro
- Project Period (FY)
  2011 – 2013
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Tokyo Denki University
Mixed Hodge structures on log smooth degenerationsPrincipal Investigator
- Principal Investigator
  
  FUJISAWA Taro
- Project Period (FY)
  2008 – 2010
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Tokyo Denki University
A study on mixed Hodge structures on the relative log de Rham cohomology groups of log smooth degenerationsPrincipal Investigator
- Principal Investigator
  
  FUJISAWA Taro
- Project Period (FY)
  2006 – 2007
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Nagano National College of Technology
ホッヂ構造の退化と対数的ホッヂ構造の変動を係数とするコホモロジー群の研究Principal Investigator
- Principal Investigator
  
  藤澤太郎
- Project Period (FY)
  2003 – 2005
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Algebra
- Research Institution
  Nagano National College of Technology
ホッヂ構造の退化の研究 -退化した多様体の幾何との関連-Principal Investigator
- Principal Investigator
  
  藤澤太郎
- Project Period (FY)
  2001 – 2002
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Algebra
- Research Institution
  Nagano National College of Technology
ホッヂ構造の退化の研究Principal Investigator
- Principal Investigator
  
  藤澤太郎
- Project Period (FY)
  1999 – 2000
- Research Category
  
  Grant-in-Aid for Encouragement of Young Scientists (A)
- Research Field
  
  Algebra
- Research Institution
  Nagano National College of Technology
Syzygies for the defining ideal of projective varieties
- Principal Investigator
  
  MIYAZAKI Chikashi
- Project Period (FY)
  1999 – 2001
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  University of the Ryukyus

All 2023 2021 2018 2016 2014 2013 2012 2011 2009 2008 2006 Other

All Journal Article Presentation

[Journal Article] Limiting mixed Hodge structures on the relative log de Rham cohomology groups of a projective semistable log smooth degeneration2023
- Author(s)
  Taro Fujisawa
- Journal Title
  
  Kyoto Journal of Mathematics
  
  Volume: 63 Issue: 3 Pages: 517-577
- DOI
  10.1215/21562261-10607345
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K03542
[Journal Article] A remark on the decomposition theorem for direct images of canonical sheaves tensorized with semipositive vector bundles2016
- Author(s)
  Taro Fujisawa
- Journal Title
  
  Proceedings of the Japan Academy, Series A
  
  Volume: 92 Issue: 7 Pages: 84-85
- DOI
  10.3792/pjaa.92.84
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-16K05107
[Journal Article] Some Remarks on the Semipositivity Theorems2014
- Author(s)
  Osamu Fujino, Taro Fujisawa, Morihiko Saito
- Journal Title
  
  Publications of the Research Institute for Mathmatical Sciences
  
  Volume: 50 Issue: 1 Pages: 85-112
- DOI
  10.4171/prims/125
- NAID
  110009751446
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540058, KAKENHI-PROJECT-24224001, KAKENHI-PROJECT-24684002
[Journal Article] Polarization on limiting mixed Hodge structures (announcement)2011
- Author(s)
  藤澤太郎
- Journal Title
  
  RIMS Kokyuroku Bessatsu B24
  
  Pages: 47-66
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20540054
[Journal Article] Mixed Hodge structures on log smooth degenerations2008
- Author(s)
  Taro Fujisawa
- Journal Title
  
  Tohoku Mathematical Journal 60
  
  Pages: 71-100
- NAID
  110006602741
- Description
  「研究成果報告書概要(和文)」より
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18540060
[Journal Article] Mixed Hodge structures on log smooth degenerations2008
- Author(s)
  Taro Fujisawa
- Journal Title
  
  Tohoku Mathematical Journal(refereed) Vol.60
  
  Pages: 71-100
- NAID
  110006602741
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-18540060
[Presentation] Geometric polarized log Hodge structures on the standard log point2021
- Author(s)
  Taro Fujisawa
- Organizer
  Emmy-Noether-Seminar
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K03542
[Presentation] Weight filtrations on the log de Rham cohomology groups of a semistable log smooth degeneration2018
- Author(s)
  藤澤太郎
- Organizer
  Workshop: Log geometry, degenerations and related topics
- Invited
- Data Source
  KAKENHI-PROJECT-16K05107
[Presentation] Mixed Hodge structures on semistable log smooth degenerations2016
- Author(s)
  藤澤太郎
- Organizer
  Kinosaki algebraic geometry symposium 2016
- Place of Presentation
  兵庫県豊岡市城崎町　城崎国際アートセンター
- Year and Date
  2016-10-18
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K05107
[Presentation] Geometric log Hodge structures on the standard log point, II2013
- Author(s)
  藤澤太郎
- Organizer
  ワークショップ「ホッジ理論と代数幾何学」
- Place of Presentation
  東京電機大学
- Year and Date
  2013-08-05
- Data Source
  KAKENHI-PROJECT-23540058
[Presentation] Variations of mixed Hodge structures and semi-positivity theorems2012
- Author(s)
  藤澤太郎
- Organizer
  ワークショップ「ホッジ理論と代数幾何学」
- Place of Presentation
  東京電機大学
- Year and Date
  2012-08-01
- Data Source
  KAKENHI-PROJECT-23540058
[Presentation] Variations of mixed Hodge structure and semi-positivity theorems2012
- Author(s)
  藤澤太郎
- Organizer
  The 7th Kagoshima Algebra-Analysis-Geometry Seminar
- Place of Presentation
  鹿児島大学（鹿児島県）
- Data Source
  KAKENHI-PROJECT-23540058
[Presentation] Variations of mixed Hodge structures and semi-positivity theorems2012
- Author(s)
  藤澤太郎
- Organizer
  第7回鹿児島代数・解析・幾何セミナー
- Place of Presentation
  鹿児島大学
- Year and Date
  2012-02-17
- Data Source
  KAKENHI-PROJECT-23540058
[Presentation] Polarization on the limiting mixed Hodge structure2009
- Author(s)
  藤澤太郎
- Organizer
  京大数理解析研究所研究集会「高次元代数幾何の周辺」
- Place of Presentation
  京都大学理学部
- Year and Date
  2009-12-14
- Data Source
  KAKENHI-PROJECT-20540054
[Presentation] Polarization on the limiting mixed Hodge structure2009
- Author(s)
  藤澤太郎
- Organizer
  京都大学数理解析研究所研究集会「高次元代数幾何の周辺」
- Place of Presentation
  京都大学理学部
- Year and Date
  2009-12-14
- Data Source
  KAKENHI-PROJECT-20540054
[Presentation] Mixed Hodge structures on log smooth degenerations2008
- Author(s)
  藤澤太郎
- Organizer
  特異点と多様体の幾何-草津2008-
- Place of Presentation
  草津セミナーハウス
- Year and Date
  2008-09-15
- Data Source
  KAKENHI-PROJECT-20540054
[Presentation] Weight filtrations on limits of Hodge structures2006
- Author(s)
  藤澤太郎
- Organizer
  Log mixed Hodge theory and its geometric applications
- Place of Presentation
  大阪大学理学部
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-18540060
[Presentation] Weight filtrations on limits of Hodge structures2006
- Author(s)
  Taro Fujisawa
- Organizer
  Log mixed Hodge theory and its geometric applications
- Place of Presentation
  Osaka University
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-18540060
[Presentation] Variations of mixed Hodge structure and semi-positivity theorems
- Author(s)
  藤澤太郎
- Organizer
  ホッジ理論と代数幾何学
- Place of Presentation
  東京電機大学
- Data Source
  KAKENHI-PROJECT-23540058

1. MIYAZAKI Chikashi (90229831)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
2. SUGA Shuichi (30206388)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
3. MAEDA Takashi (30229306)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results

Fujisawa Taro 藤澤 太郎

FUJISAWA Taro 藤澤 太郎

藤沢 太郎 フジサワ タロウ

Research Projects

Research Products

Co-Researchers

Mixed Hodge theory on non-reduced log smooth degenerationsPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

A study of mixed Hodge structures for semisatable log smooth degenerationsPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Degeneration of log Hodge-de Rham spectral sequences and mixed Hodge structuresPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Mixed Hodge structures on log smooth degenerationsPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

A study on mixed Hodge structures on the relative log de Rham cohomology groups of log smooth degenerationsPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

ホッヂ構造の退化と対数的ホッヂ構造の変動を係数とするコホモロジー群の研究Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

ホッヂ構造の退化の研究 -退化した多様体の幾何との関連-Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

ホッヂ構造の退化の研究Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Syzygies for the defining ideal of projective varieties

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

[Journal Article] Limiting mixed Hodge structures on the relative log de Rham cohomology groups of a projective semistable log smooth degeneration2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] A remark on the decomposition theorem for direct images of canonical sheaves tensorized with semipositive vector bundles2016

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Some Remarks on the Semipositivity Theorems2014

Author(s)

Journal Title

DOI

NAID

Data Source

[Journal Article] Polarization on limiting mixed Hodge structures (announcement)2011

Author(s)

Journal Title

Data Source

Fujisawa Taro 藤澤太郎

FUJISAWA Taro 藤澤太郎

藤沢太郎フジサワタロウ