Nishida Tetsushi 西田徹志

… Alternative Names

西田徹志ニシダテツシ

NISHIDA Tetsushi 西田徹志

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Researcher Number	80302751
External Links
Affiliation (Current)	2025: 一橋大学, 大学院ソーシャル・データサイエンス研究科, 特任准教授
Affiliation (based on the past Project Information) *help	2007: The University of Tokyo, 大学院・情報理工学系研究科, 助教 2006: 東京大学, 大学院情報理工学系研究科, 助手 2005: 東京大学, 大学院・情報理工学系研究科, 助手 2001 – 2002: 東京大学, 大学院・情報理工学系研究科, 助手 2001: 東京大学, 大学院・情報理工学系研究科・数理情報学専攻, 助手 … More 2001: University of Tokyo, Graduate School of Engineering, Assistant, 工学系研究科, 助手 1998 – 2001: 東京大学, 大学院・工学系研究科, 助手 1999: 東京大学, 大学院・工学系・研究科, 助手 Less
Review Section/Research Field	Principal Investigator Engineering fundamentals Except Principal Investigator Engineering fundamentals
Keywords	Principal Investigator 偏微分方程式 / 常微分方程式系 / ボロノイ図 / 微分方程式 / ロバスト計算 / マーカー粒子法 / 最小到達時間 / 最短経路 / 流れ場 / ボート航行距離 … More Except Principal Investigator … More exact computation / 遅延評価 / ボロノイ図 / 厳密計算 / convex figure / surface of revolution / polygon / hyperfigure / invertibility / slope-monotone curve / Minkowski sum / 回転曲面 / 超図解の解釈 / 超図形の解釈 / 代数系の拡大 / 回転体 / 傾き単調曲線 / 多角形 / 可逆化 / ミンコフスキー和 / source term identification / MEG / Krylov subspace iterative method / singular system / least-squares problem / system of linear equations / inverse problem / Boundary Element Method / 共役残差法 / 正則化法 / 触覚センサ / 定右波 / 自由表面 / 精度保証数値計算 / Jacobi-Davidson法 / 固有値問題 / 一般化共役残差法 / クリロフ部分空間法 / 特異 / 反復解法 / 多重極展開 / ソース項同定 / 脳磁図 / クリロフ部分空間反復法 / 特異系 / 最小二乗問題 / 連立一次方程式 / 逆問題 / 境界要素法 / collision-avoidance path / Lazy evolution / crystal Voronoi diagram / Delaunay diagram / 4-d convex hull / 記号慎動法 / 球面分割 / 四面体メッシュ / ドロネー分割 / 記号摂動法 / 整数帰着法 / 障害物回避経路 / 結晶ボロノイ図 / ドロネー図 / 4次元凸包 / lazy evaluation / area without zero points / evaluation of errors / interval algebra / Voronoi diagram / precision-guaranteed computation / robust computation / 加速 / 剰余演算 / 凸包 / 誤差吸収列 / ソリッドモデリング / 弾性変形 / 有限要素法 / 誤差の伝幡 / 多面体の表現 / 零点不在領域 / 誤差評価 / 区間代数 / 精度保証 / ロバスト計算 Less

流れ場の中の最短経路設計Principal Investigator
- Principal Investigator
  
  西田徹志
- Project Period (FY)
  2005 – 2007
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Engineering fundamentals
- Research Institution
  The University of Tokyo
Construction of Hyperfigure Theory and Its Applications
- Principal Investigator
  
  SUGIHARA Kokichi
- Project Period (FY)
  2001 – 2002
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Engineering fundamentals
- Research Institution
  The University of Tokyo
Fast Implementation of the Boundary Element Method and its Application to Inverse Problems
- Principal Investigator
  
  HAYAMI Ken
- Project Period (FY)
  2000 – 2002
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Engineering fundamentals
- Research Institution
  National Institute of Informatics
  The University of Tokyo
Design of Precision-Guaranteed Geometric Algorithms
- Principal Investigator
  
  SUGIHARA Kokichi
- Project Period (FY)
  1998 – 2000
- Research Category
  
  Grant-in-Aid for Scientific Research on Priority Areas (B)
- Research Institution
  The University of Tokyo
Robust Implementation of 4-D Geometric Algorithm and Applications
- Principal Investigator
  
  SUGIHARA Kokichi
- Project Period (FY)
  1998 – 2000
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Engineering fundamentals
- Research Institution
  The University of Tokyo

All 2008 2007 2006 2005

All Journal Article Presentation

[Journal Article] Boat-Sail Voronoi Diagram and Its Application2008
- Author(s)
  T. Nishida, K. Sugihara
- Journal Title
  
  J. of Computational Geometry and Applications (to appear)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17760064
[Journal Article] Stable marker-particle method for the Voronoi diagram in a flow field2007
- Author(s)
  Tetsushi Nishida, Kokichi Sugihara, Masato Kimura
- Journal Title
  
  Journal of computational and applied mathematics 202
  
  Pages: 377-391
- Data Source
  KAKENHI-PROJECT-17760064
[Journal Article] 流れの中の航行シミュレーションと最適経路の探索2007
- Author(s)
  西田徹志
- Journal Title
  
  シミュレーション 26・2
  
  Pages: 10-14
- NAID
  110006368727
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17760064
[Journal Article] ボート航行距離方程式とその解法2006
- Author(s)
  西田徹志
- Journal Title
  
  応用数理 16・3
  
  Pages: 31-43
- NAID
  110004833282
- Data Source
  KAKENHI-PROJECT-17760064
[Journal Article] Boat-Sail Voronoi Diagram and Its Computation Based on a Cone-Approximation Scheme2005
- Author(s)
  Tetsushi Nishida
- Journal Title
  
  The Japan Journal of Industrial and Applied Mathematics 22・3
  
  Pages: 367-383
- NAID
  10016794234
- Data Source
  KAKENHI-PROJECT-17760064
[Journal Article] Boat-Sail Voronoi Diagram on a Curved Surface2005
- Author(s)
  Tetsushi Nishida
- Journal Title
  
  The Japan Journal of Industrial and Applied Mathematics 22・2
  
  Pages: 267-278
- Data Source
  KAKENHI-PROJECT-17760064
[Presentation] Direct Diffusion Method for the Construction of Generalized Voronoi Dia grams2007
- Author(s)
  T. Nishida
- Organizer
  International Symposium on Voronoi Diagrams in Science and Engineering
- Place of Presentation
  Pontypridd, Wales
- Year and Date
  2007-07-10
- Data Source
  KAKENHI-PROJECT-17760064

1. SUGIHARA Kokichi (40144117)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
2. HAYAMI Ken (20251358)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
3. IMAI Toshiyuki (90213214)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
4. YAMAMOTO Osami (60200789)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
5. HIYOSHI Hisamoto (40323331)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
6. INAGAKI Hiroshi (40213110)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
7. NARA Takaaki (80353423)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results

Nishida Tetsushi 西田 徹志

西田 徹志 ニシダ テツシ

NISHIDA Tetsushi 西田 徹志

Research Projects

Research Products

Co-Researchers

流れ場の中の最短経路設計Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Construction of Hyperfigure Theory and Its Applications

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Fast Implementation of the Boundary Element Method and its Application to Inverse Problems

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Design of Precision-Guaranteed Geometric Algorithms

Principal Investigator

Project Period (FY)

Research Category

Research Institution

Robust Implementation of 4-D Geometric Algorithm and Applications

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

[Journal Article] Boat-Sail Voronoi Diagram and Its Application2008

Author(s)

Journal Title

Data Source

[Journal Article] Stable marker-particle method for the Voronoi diagram in a flow field2007

Author(s)

Journal Title

Data Source

[Journal Article] 流れの中の航行シミュレーションと最適経路の探索2007

Author(s)

Journal Title

NAID

Data Source

[Journal Article] ボート航行距離方程式とその解法2006

Author(s)

Journal Title

NAID

Data Source

[Journal Article] Boat-Sail Voronoi Diagram and Its Computation Based on a Cone-Approximation Scheme2005

Author(s)

Journal Title

NAID

Data Source

[Journal Article] Boat-Sail Voronoi Diagram on a Curved Surface2005

Author(s)

Journal Title

Data Source

[Presentation] Direct Diffusion Method for the Construction of Generalized Voronoi Dia grams2007

Author(s)

Organizer

Place of Presentation

Year and Date

Data Source

Nishida Tetsushi 西田徹志

西田徹志ニシダテツシ

NISHIDA Tetsushi 西田徹志