Saji Kentaro 佐治健太郎

… Alternative Names

SAJI Kentaro 佐治健太郎

Less

Researcher Number	70451432
Other IDs
Affiliation (Current)	2025: 神戸大学, 理学研究科, 教授
Affiliation (based on the past Project Information) *help	2020 – 2025: 神戸大学, 理学研究科, 教授 2016 – 2020: 神戸大学, 理学研究科, 准教授 2017: 神戸大学, 大学院理学研究科, 准教授 2012 – 2016: 神戸大学, 理学(系)研究科(研究院), 准教授 2014: 神戸大学, 大学院理学研究科, 准教授 … More 2008 – 2011: Gifu University, 教育学部, 准教授 2008: 北大, 理学(系)研究科(研究院) 2007: Hokkaido University, 大学院・理学研究院, 学術研究員 Less
Review Section/Research Field	Principal Investigator Geometry / Basic Section 11020:Geometry-related / Medium-sized Section 11:Algebra, geometry, and related fields Except Principal Investigator Geometry / Basic Section 11020:Geometry-related / Foundations of mathematics/Applied mathematics
Keywords	Principal Investigator 波面 / 特異点 / 曲率 / カスプ辺 / 線織面 / 特異点の認識問題 / 特異点判定法 / 特性線 / 漸近線 / 曲面論 … More / 接触構造 / ジェネリック微分幾何学 / ミンコフスキ空間 / 平行曲面 / 認識問題 / 特異曲率 / 判定法 / 曲面 / 特異性 / 可展面 / ダルブー枠 / 余階数2特異点 / 螺旋曲面 / D4型特異点 / 特異点の標準形 / 等長標準形 / 輪郭線 / 特異点論 / ツバメの尾 / 曲率線 / リボクール変換 / 型変化曲面 / 特異点の微分幾何 / 型変化 / コースティック / 平均曲率 / 束準同型 / 特異点の曲率 / 特異点の判定法 / フロンタル / スワローテイル / モラン特異点 / カスプ的交差帽子 / 表現公式 / ルジャンドル特異点論 / 単純特異点 / モラン写像 / ガウス写像 / 臍点 / ウルフ図形 / 擬球面 / 写像の図式 / ルジャンドル特異点 / 微分方程式 / 位相不変量 / トポロジー / 特異点理論 … More Except Principal Investigator 特異点 / Darboux変換 / 離散的微分幾何学 / transformation theory / differential geometry / カスプ辺 / 双対性 / 波面 / 超曲面 / 曲面 / 半正定値計量 / 微分幾何学 / global behavior / integrable structure / discrete surface theory / 可積分系 / 曲面理論 / 交叉帽子 / 曲率 / 実解析写像の特異点 / 曲面の臍点 / ３次元球面の平坦トーラス / ツバメの尾 / 部分多様体 / 同変コホモロジー / アフィン代数幾何 / 特異点の判定法 / 射影微分幾何学 / 局所射影微分幾何 / 特異点判定の応用 / 特性類 / コンピュータ・ヴィジョン / 実代数幾何 / 幾何的代数 / 射影微分幾何 / 特異点判定法 / 写像の特異点論 / 特異制御 / 幾何学的解 / ニュートラル計量 / 拘束ハミルトン系 / 幾何構造 / 接触構造 / ジェネリック幾何 / 特異点の実形 / 錐構造 / 幾何学的制御理論 / 写像の特異点 / フロンタル安定性 / 特異点の認識問題 / G2接触構造 / コフロンタル / (2,3,5)分布 / 分岐加群 / 開化 / 特異点のロバスト性 / 特異点の安定性 / 接線曲面 / ラグランジュ錐構造 / フロンタル / Moebius geometry / integrable systems / semi-discrete surfaces / Guichard surfaces / orthogonal systems / channel surfaces / Omega surface / minimal surface / discrete geometry / 半離散曲面 / 離散曲線 / 離散曲面 / Darboux transformations / Omega surfaces / Lorentzian spaces / Discrete Surface Theory / Differential Geometry / discrete surfaces / Lie sphere geometry / surface representations / surface theory / 世界面 / Darboux枠 / グラフ型波面 / バンド交差理論 / 焦点集合 / グラフ型大波面 / 垂足曲線 / ツバメの尾曲面 / バンド交差 / バルクエッジ対応 / ホログラフィー原理 / 光化学反応 / トポロジカル絶縁体 / 垂足部分集合 / 双曲空間 / スピントロニクス / ルジャンドル特異点 / ラグランジュ特異点 / 幾何学 / 特異性 / 非線形現象 / 4頂点定理 / 変曲点 / ガウス・ボンネの定理 / ガウス写像 / 極大曲面 / ４頂点定理 / 曲線 / ガウス曲率 Less

特異点判定法を用いた曲面の特異性の類似性・相違性の研究Principal Investigator
- Principal Investigator
  
  佐治健太郎
- Project Period (FY)
  2025 – 2027
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 11020:Geometry-related
- Research Institution
  Kobe University
Global behavior of discrete surfaces via integrability
- Principal Investigator
  
  Rossman W.F
- Project Period (FY)
  2023 – 2027
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 11020:Geometry-related
- Research Institution
  Kobe University
Characterization of singular points and study of surface singularitiesPrincipal Investigator
- Principal Investigator
  
  佐治健太郎
- Project Period (FY)
  2022 – 2025
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 11020:Geometry-related
- Research Institution
  Kobe University
Cross-disciplinary fusion of singular phenomena by singularity theoryPrincipal Investigator
- Principal Investigator
  
  佐治健太郎
- Project Period (FY)
  2022 – 2027
- Research Category
  
  Fund for the Promotion of Joint International Research (Fostering Joint International Research (B))
- Review Section
  
  Medium-sized Section 11:Algebra, geometry, and related fields
- Research Institution
  Kobe University
Differential geometrey of singularities and its applications
- Principal Investigator
  
  梅原雅顕
- Project Period (FY)
  2021 – 2025
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 11020:Geometry-related
- Research Institution
  Institute of Science Tokyo
Singularity theoretic study of surface singularitiesPrincipal Investigator
- Principal Investigator
  
  Saji Kentaro
- Project Period (FY)
  2018 – 2023
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 11020:Geometry-related
- Research Institution
  Kobe University
Differential geometric approach to discrete surfaces
- Principal Investigator
  
  ROSSMAN W. F
- Project Period (FY)
  2015 – 2022
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  Kobe University
Developments and applications of geometric singularity theory
- Principal Investigator
  
  Goo Ishikawa
- Project Period (FY)
  2015 – 2018
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Geometry
- Research Institution
  Hokkaido University
Algebro-geometric method for singularity criteria in kinematics
- Principal Investigator
  
  Ohmoto Toru
- Project Period (FY)
  2015 – 2017
- Research Category
  
  Grant-in-Aid for Challenging Exploratory Research
- Research Field
  
  Foundations of mathematics/Applied mathematics
- Research Institution
  Hokkaido University
Geometric studies on singularity of non-linear phenomena
- Principal Investigator
  
  Izumiya Shyuichi
- Project Period (FY)
  2014 – 2017
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Geometry
- Research Institution
  Hokkaido University
Deepening singularity theory and low dimensional geometryPrincipal Investigator
- Principal Investigator
  
  Saji Kentaro
- Project Period (FY)
  2014 – 2017
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  Kobe University
Surface theory and low-dimensional topology by using singularity theoryPrincipal Investigator
- Principal Investigator
  
  SAJI Kentaro
- Project Period (FY)
  2011 – 2014
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Geometry
- Research Institution
  Kobe University
  Gifu University
Geometry of curves, surfaces and hypersurfaces with singularities
- Principal Investigator
  
  UMEHARA Masaaki
- Project Period (FY)
  2010 – 2014
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Research Field
  
  Geometry
- Research Institution
  Tokyo Institute of Technology
  Osaka University
Differential geometric study of surfaces with singularitiesPrincipal Investigator
- Principal Investigator
  
  SAJI Kentaro
- Project Period (FY)
  2008 – 2010
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Geometry
- Research Institution
  Gifu University
特異点理論とその曲面論、低次元トポロジーへの応用Principal Investigator
- Principal Investigator
  
  佐治健太郎
- Project Period (FY)
  2007 – 2008
- Research Category
  
  Grant-in-Aid for Young Scientists (Start-up)
- Research Field
  
  Geometry
- Research Institution
  Hokkaido University

[Book] Differential Geometry of Curves and Surfaces with Singularities2021
- Author(s)
  K. Saji, M. Umehara, K. Yamda (translator: W. Rossman)
- Total Pages
  300
- Publisher
  Wold Scientific Publishing, "Series in Algebraic and Differential Geometry"
- Data Source
  KAKENHI-PROJECT-15K04845
[Journal Article] Deformations of cuspidal edges in a 3-dimensional space form2024
- Author(s)
  K. Saji, M. Umehara and K. Yamada
- Journal Title
  
  Kodai Mathematical Journal
  
  Volume: 47 Issue: 1 Pages: 67-89
- DOI
  10.2996/kmj47105
- ISSN
  0386-5991, 1881-5472
- Year and Date
  2024-03-11
- Language
  English
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23K20794
[Journal Article] Symmetries of cross caps2023
- Author(s)
  A. Honda, K. Naokawa, K. Saji, M. Umehara, K. Yamada
- Journal Title
  
  Tohoku Mathematical Journal
  
  Volume: 75 Issue: 1 Pages: 131-141
- DOI
  10.2748/tmj.20211203
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-17K14197, KAKENHI-PROJECT-19K14526, KAKENHI-PROJECT-22KK0034, KAKENHI-PROJECT-22K03312, KAKENHI-PROJECT-18K03301, KAKENHI-PROJECT-23K20794, KAKENHI-PROJECT-23K22392
[Journal Article] The axial curvature for corank 1 singular surfaces2022
- Author(s)
  Oset Sinha Raul、Saji Kentaro
- Journal Title
  
  Tohoku Mathematical Journal
  
  Volume: 74 Issue: 3 Pages: 365-388
- DOI
  10.2748/tmj.20210322
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K03301, KAKENHI-PROJECT-22K03312, KAKENHI-PROJECT-22KK0034
[Journal Article] Flat surfaces along swallowtails2022
- Author(s)
  Shyuichi Izumiya, Kentaro Saji, Keisuke Teramoto
- Journal Title
  
  Kobe Journal of Mathematics
  
  Volume: 39 Pages: 63-80
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22KK0034
[Journal Article] Flat surfaces along swallowtails2022
- Author(s)
  Shyuichi Izumiya, Kentaro Saji, Keisuke Teramoto
- Journal Title
  
  Kobe Journal of Mathematics
  
  Volume: 39 Pages: 63-80
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18K03301
[Journal Article] A generalization of Zakalyukin's lemma, and symmetries of surface singularities2022
- Author(s)
  Honda Atsufumi、Naokawa Kosuke、Saji Kentaro、Umehara Masaaki、Yamada Kotaro
- Journal Title
  
  Journal of Singularities
  
  Volume: 25 Pages: 299-324
- DOI
  10.5427/jsing.2022.25m
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-18K03301, KAKENHI-PROJECT-17K14197, KAKENHI-PROJECT-19K14526, KAKENHI-PROJECT-23K20794, KAKENHI-PROJECT-23K22392
[Journal Article] Flat surfaces along swallowtails2022
- Author(s)
  Shyuichi Izumiya, Kentaro Saji, Keisuke Teramoto
- Journal Title
  
  Kobe Journal of Mathematics
  
  Volume: 39 Pages: 63-80
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22K03312
[Journal Article] Legendrian dual surfaces of a spacelike curve in the 3-dimensional lightcone2022
- Author(s)
  Saji Kentaro、Yildirim Handan
- Journal Title
  
  Journal of Geometry and Physics
  
  Volume: 179 Pages: 104593-104593
- DOI
  10.1016/j.geomphys.2022.104593
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K03301, KAKENHI-PROJECT-22K03312, KAKENHI-PROJECT-22KK0034
[Journal Article] Behavior of principal curvatures of frontals near non-front singular points and their applications2021
- Author(s)
  Saji Kentaro、Teramoto Keisuke
- Journal Title
  
  Journal of Geometry
  
  Volume: 112 Issue: 3
- DOI
  10.1007/s00022-021-00605-3
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18K03301, KAKENHI-PROJECT-19K14533
[Journal Article] Geometry of bifurcation sets of generic unfoldings of corank two functions2021
- Author(s)
  Saji Kentaro、dos Santos Samuel Paulino
- Journal Title
  
  Monatshefte fur Mathematik
  
  Volume: 196 Issue: 3 Pages: 553-575
- DOI
  10.1007/s00605-021-01607-8
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K03301
[Journal Article] Geometry of lightlike locus on mixed type surfaces in Lorentz-Minkowski 3-space from a contact viewpoint2021
- Author(s)
  Honda Atsufumi、Izumiya Shyuichi、Saji Kentaro、Teramoto Keisuke
- Journal Title
  
  Tsukuba Journal of Mathematics
  
  Volume: 45 Issue: 1 Pages: 51-68
- DOI
  10.21099/tkbjm/20214501051
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18K03301, KAKENHI-PROJECT-19K14526, KAKENHI-PROJECT-19K14533
[Journal Article] Differential Geometry of Curves and Surfaces with Singularities2021
- Author(s)
  K. Saji, M. Umehara, K. Yamada (translator: W. Rossman)
- Journal Title
  
  World Scientific Publishing, "Series in Algebraic and Differential Geometry"
  
  Volume: to appear
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K04845
[Journal Article] Curved foldings with common creases and crease patterns2020
- Author(s)
  Honda Atsufumi、Naokawa Kosuke、Saji Kentaro、Umehara Masaaki、Yamada Kotaro
- Journal Title
  
  Advances in Applied Mathematics
  
  Volume: 121 Pages: 102083-102083
- DOI
  10.1016/j.aam.2020.102083
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18K03301, KAKENHI-PROJECT-17K14197, KAKENHI-PROJECT-19K14526, KAKENHI-PROJECT-17H02839
[Journal Article] Mixed type surfaces with bounded Gaussian curvature in three-dimensional Lorentzian manifolds2020
- Author(s)
  Honda Atsufumi、Saji Kentaro、Teramoto Keisuke
- Journal Title
  
  Advances in Mathematics
  
  Volume: 365 Pages: 107036-107036
- DOI
  10.1016/j.aim.2020.107036
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18K03301, KAKENHI-PROJECT-19K14526
[Journal Article] Dualities of Differential Geometric Invariants on Cuspidal Edges on Flat Fronts in the Hyperbolic Space and the de Sitter Space2020
- Author(s)
  Saji, Kentaro; Teramoto, Keisuke
- Journal Title
  
  Mediterr. J. Math.
  
  Volume: 17 Issue: 2
- DOI
  10.1007/s00009-020-1474-z
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18K03301
[Journal Article] Cuspidal edges with the same first fundamental forms along a knot2020
- Author(s)
  Honda Atsufumi、Naokawa Kosuke、Saji Kentaro、Umehara Masaaki、Yamada Kotaro
- Journal Title
  
  Journal of Knot Theory and Its Ramifications
  
  Volume: 29 Issue: 07 Pages: 2050047-2050047
- DOI
  10.1142/s0218216520500479
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18K03301, KAKENHI-PROJECT-17K14197, KAKENHI-PROJECT-19K14526
[Journal Article] Horo-flat surfaces along cuspidal edges in the hyperbolic space2020
- Author(s)
  Izumiya Shyuichi、Romero-Fuster Maria Carmen、Saji Kentaro、Takahashi Masatomo
- Journal Title
  
  Journal of Singularities
  
  Volume: 22 Pages: 40-58
- DOI
  10.5427/jsing.2020.22d
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K03301, KAKENHI-PROJECT-20K03573
[Journal Article] Capturing information on curves and surfaces from their projected images2020
- Author(s)
  Hasegawa Masaru、Kabata Yutaro、Saji Kentaro
- Journal Title
  
  International Journal of Mathematics for Industry
  
  Volume: 12 Issue: 01 Pages: 2050004-2050004
- DOI
  10.1142/s2661335220500045
- NAID
  120006993629
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-18K03301
[Journal Article] Duality on generalized cuspidal edges preserving singular set images and first fundamental forms2020
- Author(s)
  Honda Atsufumi、Naokawa Kosuke、Saji Kentaro、Umehara Masaaki、Yamada Kotaro
- Journal Title
  
  Journal of Singularities
  
  Volume: 22 Pages: 59-91
- DOI
  10.5427/jsing.2020.22e
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-18K03301, KAKENHI-PROJECT-17K14197, KAKENHI-PROJECT-19K14526
[Journal Article] Singular surfaces of revolution with prescribed unbounded mean curvature2019
- Author(s)
  Martins, Luciana F.; Saji, Kentaro; Santos, Samuel P. Dos; Teramoto, Keisuke
- Journal Title
  
  An. Acad. Brasil. Cienc.
  
  Volume: 91 Issue: 3
- DOI
  10.1590/0001-3765201920170865
- NAID
  120007017122
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K03301
[Journal Article] On pairs of geometric foliations on a cuspidal edge2019
- Author(s)
  Kentaro Saji
- Journal Title
  
  Adv. Stud. Pure Math
  
  Volume: 印刷中
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-26400087
[Journal Article] MR4025586 Pending Martins, Luciana F.; Saji, Kentaro; Teramoto, Keisuke Singularities of a surface given by Kenmotsu-type formula in Euclidean three-space2019
- Author(s)
  Martins, Luciana F.; Saji, Kentaro; Teramoto, Keisuke
- Journal Title
  
  Sao Paulo J. Math. Sci.
  
  Volume: 13 Issue: 2 Pages: 663-677
- DOI
  10.1007/s40863-019-00138-3
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K03301
[Journal Article] Geometric invariants of 5/2-cuspidal edges2019
- Author(s)
  Honda, Atsufumi; Saji, Kentaro
- Journal Title
  
  Kodai Mathematical Journal
  
  Volume: 42 Issue: 3 Pages: 496-525
- DOI
  10.2996/kmj/1572487230
- NAID
  130007742214
- ISSN
  0386-5991, 1881-5472
- Year and Date
  2019-10-31
- Language
  English
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18K03301, KAKENHI-PROJECT-19K14526
[Journal Article] Characterizing singularities of a surface in Lie sphere geometry2019
- Author(s)
  M. Pember, W. Rossman, K. Saji, K. Teramoto
- Journal Title
  
  Hokkaido Mathematical Journal
  
  Volume: 48 Pages: 281-308
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K04845
[Journal Article] A note on singular points of bundle homomorphisms from a tangent distribution into a vector bundle of the same rank2019
- Author(s)
  K. Saji and A. Tsuchida
- Journal Title
  
  Rocky Mountain J. Math.
  
  Volume: 49 Issue: 1 Pages: 335-354
- DOI
  10.1216/rmj-2019-49-1-335
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18K03301
[Journal Article] On the geometry of folded cuspidal edges2018
- Author(s)
  Oset Sinha Raul、Saji Kentaro
- Journal Title
  
  Revista Matematica Complutense
  
  Volume: - Issue: 3 Pages: 627-650
- DOI
  10.1007/s13163-018-0257-6
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26400087, KAKENHI-PROJECT-18K03301, KAKENHI-PROJECT-18K18714
[Journal Article] Addendum: singularities of flat fronts in hyperbolic space2018
- Author(s)
  Kokubu, M., Rossman, W., Saji, K., Umehara, M. and Yamada, K.
- Journal Title
  
  Pacific J. Math., to appear
  
  Volume: --
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K04845
[Journal Article] Addendum: singularities of flat fronts in hyperbolic space2018
- Author(s)
  M. Kokubu, W. Rossman, K. Saji, M. Umehara, K. Yamada
- Journal Title
  
  Pacific J. Math
  
  Volume: 294 Pages: 505-509
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-15K04845
[Journal Article] Geometry of cuspidal edges with boundary2018
- Author(s)
  Martins Luciana F.、Saji Kentaro
- Journal Title
  
  Topology and its Applications
  
  Volume: 234 Pages: 209-219
- DOI
  10.1016/j.topol.2017.11.024
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26287009, KAKENHI-PROJECT-26400087, KAKENHI-PROJECT-18K03301
[Journal Article] Thom polynomials in A-classification I: counting singular projections of a surface2018
- Author(s)
  T. Sasajima and T. Ohmoto
- Journal Title
  
  EMS Series of Congress Reports
  
  Volume: - Pages: 237-260
- DOI
  10.4171/182-1/11
- ISBN
  9783037191828, 9783037196823
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-15K13452, KAKENHI-PROJECT-17H02838
[Journal Article] Characterizing singularities of a surface in Lie sphere geometry2018
- Author(s)
  M. Pember, W. Rossman, K. Saji, K. Teramoto
- Journal Title
  
  Hokkaido Math. J
  
  Volume: to appear
- Data Source
  KAKENHI-PROJECT-15K04845
[Journal Article] Normal form of the swallowtail and its applications2018
- Author(s)
  Kentaro Saji
- Journal Title
  
  International J. Math.
  
  Volume: 印刷中
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-26400087
[Journal Article] Addendum: Singularities of flat fronts in hyperbolic space2018
- Author(s)
  Kokubu Masatoshi、Rossman Wayne、Saji Kentaro、Umehara Masaaki、Yamada Kotaro
- Journal Title
  
  Pacific Journal of Mathematics
  
  Volume: 294 Issue: 2 Pages: 505-509
- DOI
  10.2140/pjm.2018.294.505
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-17K05227, KAKENHI-PROJECT-17H06127, KAKENHI-PROJECT-26400087
[Journal Article] Fold singularities on spacelike CMC surfaces in Lorentz-Minkowski space2018
- Author(s)
  A. Honda, M. Koiso and K. Saji
- Journal Title
  
  Hokkaido Math. J.
  
  Volume: 47 Pages: 245-267
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18K03301
[Journal Article] Normal form of the swallowtail and its applications2018
- Author(s)
  K. Saji
- Journal Title
  
  Internat. J. Math.
  
  Volume: 29 Issue: 07 Pages: 1850046-1850046
- DOI
  10.1142/s0129167x18500465
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18K03301, KAKENHI-PROJECT-18K18714
[Journal Article] Classical formulae on projective characters of surfaces and 3-folds, revisited2017
- Author(s)
  T. Sasajima and T. Ohmoto
- Journal Title
  
  Saitama Math. Journal
  
  Volume: 31
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-15K13452
[Journal Article] An index formula for a bundle homomorphism of the tangent bundle into a vector bundle of the same rank, and its applications2017
- Author(s)
  Saji Kentaro、Umehara Masaaki、Yamada Kotaro
- Journal Title
  
  J. Math. Soc. Japan
  
  Volume: 69 Pages: 417-457
- NAID
  130005310476
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-26400087
[Journal Article] Classicalformulaeonprojectivecharactersofsurfacesand3- folds, revisited2017
- Author(s)
  T.Sasajima, T.Ohmoto
- Journal Title
  
  Saitama J. Math.
  
  Volume: 31 Pages: 1-19
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-15K13452
[Journal Article] Flat surfaces along cuspidal edges2017
- Author(s)
  Izumiya Shyuichi、Saji Kentaro、Takeuchi Nobuko
- Journal Title
  
  Journal of Singularity
  
  Volume: 16 Pages: 73-100
- DOI
  10.5427/jsing.2017.16c
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-26287009
[Journal Article] Flat surfaces along cuspidal edges2017
- Author(s)
  Shyuichi Izumiya, Kentaro Saji, N. Takeuchi
- Journal Title
  
  Journal of Singularities
  
  Volume: 16 Pages: 73-100
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-26400087
[Journal Article] Thom polynomials in A-classification I: counting singular projections of a surface2017
- Author(s)
  T. Sasajima, T. Ohmoto
- Journal Title
  
  IMPANGA Lecture Notes ‘Vector bundles, Schubert varieties, and equivariant cohomology’
  
  Volume: 印刷中
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-15K13452
[Journal Article] Behavior of Gaussian Curvature and Mean Curvature Near Non-degenerate Singular Points on Wave Fronts2016
- Author(s)
  Luciana F, Martins, Kentaro Saji, Masaaki Umehara and Kotaro Yamada
- Journal Title
  
  Springer Proceedings in Mathematics & Statistics
  
  Volume: 154 Pages: 1-39
- DOI
  10.1007/978-4-431-56021-0_14
- ISBN
  9784431560197, 9784431560210
- Peer Reviewed / Acknowledgement Compliant / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26400066, KAKENHI-PROJECT-26400087
[Journal Article] Fold singularities on spacelike CMC surfaces in Lorentz-Minkowski space2016
- Author(s)
  Honda, Atsufumi; Koiso, Miyuki; Saji, Kentaro
- Journal Title
  
  Hokkaido Math. J.
  
  Volume: 未定
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-26400087
[Journal Article] Criteria for Morin singularities into higher dimensions2016
- Author(s)
  Saji, Kentaro
- Journal Title
  
  RIMS Kokyuroku Bessatsu
  
  Volume: 55
- Data Source
  KAKENHI-PROJECT-26400087
[Journal Article] Isotopy of Morin singularities2016
- Author(s)
  Saji, Kentaro
- Journal Title
  
  Houston J. Math.
  
  Volume: 未定
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-26400087
[Journal Article] Extensions of Koenderink's formula2016
- Author(s)
  Fukui, Toshizumi; Hasegawa, Masaru; Saji, Kentaro
- Journal Title
  
  J. Gokova Geom. Topol. GGT
  
  Volume: 10 Pages: 42-59
- Peer Reviewed / Acknowledgement Compliant / Open Access
- Data Source
  KAKENHI-PROJECT-26400087
[Journal Article] An index formula for a bundle homomorphism of the tangent bundle into a vector bundle of the same rank, and its applications2016
- Author(s)
  Saji, Kentaro; Umehara, Masaaki; Yamada, Kotaro
- Journal Title
  
  J. Math. Soc. Japan.
  
  Volume: 未定
- NAID
  130005310476
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-26400087
[Journal Article] Extensions of Koenderink's formula2016
- Author(s)
  Toshizumi Fukui, Masaru Hasegawa and Kentaro Saji
- Journal Title
  
  J. Gokova Geom.
  
  Volume: 10 Pages: 42-59
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-26287009
[Journal Article] Criteria for Morin singularities for maps into lower dimensions, and applications2016
- Author(s)
  Saji, Kentaro
- Journal Title
  
  Contemporary Math.
  
  Volume: 未定
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-26400087
[Journal Article] Legendrian dual surfaces in hyperbolic 3-space2015
- Author(s)
  K. Saji and H. Yildirim
- Journal Title
  
  Annales Polonici Matematici
  
  Volume: 未定
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-26400087
[Journal Article] Intrinsic properties of surfaces with singularities2015
- Author(s)
  M. Hasegawa, A. Honda, K. Naokawa, K. Saji, M. Umehara, K. Yamada
- Journal Title
  
  International Journal of Mathatematics
  
  Volume: 26 Issue: 04 Pages: 1-34
- DOI
  10.1142/s0129167x1540008x
- Peer Reviewed / Acknowledgement Compliant / Open Access
- Data Source
  KAKENHI-PROJECT-14J00101, KAKENHI-PROJECT-26400066, KAKENHI-PROJECT-26400087, KAKENHI-PROJECT-26247005, KAKENHI-PROJECT-24340013
[Journal Article] Geometric invariants of cuspidal edges2015
- Author(s)
  L. Martins and K. Saji
- Journal Title
  
  Canadian Journal of Mathematics
  
  Volume: 未定
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-26400087
[Journal Article] Legendrian dual surfaces in hyperbolic 3-space2015
- Author(s)
  Kentaro Saji and Handan Yildirim
- Journal Title
  
  Ann. Polon. Math.
  
  Volume: 115 Issue: 3 Pages: 241-261
- DOI
  10.4064/ap115-3-4
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-26287009
[Journal Article] Schwarz maps for the hypergeometric differential equation2015
- Author(s)
  Fujimori, Shoichi; Noro, Masayuki; Saji, Kentaro; Sasaki, Takeshi; Yoshida, Masaaki.
- Journal Title
  
  Internat. J. Math.
  
  Volume: 26 Issue: 06 Pages: 1541002-1541002
- DOI
  10.1142/s0129167x15410025
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-26400087, KAKENHI-PROJECT-25800047, KAKENHI-PROJECT-24224001
[Journal Article] Geometric invariants of cuspidal edges2015
- Author(s)
  Martins Luciana; Saji, Kentaro
- Journal Title
  
  Canadian J. Math.
  
  Volume: 68 Issue: 2 Pages: 445-462
- DOI
  10.4153/cjm-2015-011-5
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26400087
[Journal Article] Koenderink type theorems for fronts2014
- Author(s)
  Kentaro Saji
- Journal Title
  
  Journal of Singularities
  
  Volume: 10 Pages: 264-270
- DOI
  10.5427/jsing.2014.10r
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-26287009
[Journal Article] Koenderink type theorems for fronts2014
- Author(s)
  K. Saji
- Journal Title
  
  Sci. China Math.
  
  Volume: 57 Pages: 1841-1866
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-26400087
[Journal Article] Coherent tangent bundles and Gauss-Bonnet formulas for wave fronts2012
- Author(s)
  Kentaro Saji, Masaaki Umehara and Kotaro Yamada
- Journal Title
  
  Journal of Geometric Analysis
  
  Volume: vol.22 Issue: 2 Pages: 383-409
- DOI
  10.1007/s12220-010-9193-5
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21340016, KAKENHI-PROJECT-22244006, KAKENHI-PROJECT-23740045, KAKENHI-PROJECT-24340013
[Journal Article] Great circular surfaces in the three-sphere2011
- Author(s)
  Izumiya, Shyuichi; Nagai, Takayuki; Saji, Kentaro
- Journal Title
  
  Differential Geom. Appl.
  
  Volume: 29 Pages: 409-425
- NAID
  120006459655
- Data Source
  KAKENHI-PROJECT-23740045
[Journal Article] Criteria for D4 singularities of wave fronts2011
- Author(s)
  Saji, Kentaro
- Journal Title
  
  Tohoku Math. J.
  
  Volume: 63 Pages: 137-147
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23740045
[Journal Article] A2-singularities of hypersurfaces with non-negative sectional curvature in Euclidean space2011
- Author(s)
  Saji, Kentaro; Umehara, Masaaki; Yamada, Kotaro
- Journal Title
  
  Kodai Math. J.
  
  Volume: 34 Pages: 390-409
- NAID
  130004687956
- Data Source
  KAKENHI-PROJECT-23740045
[Journal Article] <i>A</i><sub>2</sub>-singularities of hypersurfaces with non-negative sectional curvature in Euclidean space2011
- Author(s)
  K.Saji, M.Umehara, K.Yamada
- Journal Title
  
  Kodai Mathematical Journal
  
  Volume: 34 Issue: 3 Pages: 390-409
- DOI
  10.2996/kmj/1320935549
- NAID
  130004687956
- ISSN
  0386-5991, 1881-5472
- Language
  English
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22244006
[Journal Article] Criteria for D4 singularities of fronts2011
- Author(s)
  Kentaro Saji
- Journal Title
  
  Tohoku Math.J. 63
  
  Pages: 137-147
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20740028
[Journal Article] A2-singularities of hypersurfaces with non-negative sectional curvature in Euclidean space2011
- Author(s)
  Kentaro Saji, Masaaki Umehara, Kotaro Yamada
- Journal Title
  
  Kodai Math.J. (to appear)
- NAID
  130004687956
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20740028
[Journal Article] Criteria for D4 singualrities of fronts2011
- Author(s)
  Kentaro Saji
- Journal Title
  
  Tohoku Math.J.
  
  Volume: 63 Pages: 137-147
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20740028
[Journal Article] Criteria for singularities of smooth maps from the plane into the plane and their applications2010
- Author(s)
  Kentaro Saji
- Journal Title
  
  Hiroshima Math.J. 40
  
  Pages: 229-239
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20740028
[Journal Article] The duality between singular points and inflection points on wave fronts2010
- Author(s)
  Kentaro Saji, Masaaki Umehara, Kotaro Yamada
- Journal Title
  
  Osaka J.Math. 47
  
  Pages: 591-607
- NAID
  120004844268
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20740028
[Journal Article] The duality between singular points and inflection points on wave fronts2010
- Author(s)
  K.Saji, M.Umehara, K.Yamada
- Journal Title
  
  Osaka J.Math.
  
  Volume: 47 Pages: 591-607
- NAID
  120004844268
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22244006
[Journal Article] The mandala of Legendrian dualities for pseudo-spheres of Lorentz-Min kowski space and "flat" spacelike surfaces2010
- Author(s)
  Shyuichi Izumiya, Kentaro Saji
- Journal Title
  
  J.Singularity
  
  Volume: 2 Pages: 97-127
- NAID
  120006459641
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20740028
[Journal Article] The mandala of Legendrian dualities for pseudo-spheres of Lorentz-Minkowski space and "flat" spacelike surfaces2010
- Author(s)
  Shyuichi Izumiya, Kentaro Saji
- Journal Title
  
  J.Singularity 2
  
  Pages: 97-127
- NAID
  120006459641
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20740028
[Journal Article] Criteria for singularities of smooth maps from the plane into the plane and their applications2010
- Author(s)
  K.Saji
- Journal Title
  
  Hiroshima Math. J. 40(予定)(出版受理)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20740028
[Journal Article] Criteria for cuspidal Sk singularities and their applications2010
- Author(s)
  Kentaro Saji
- Journal Title
  
  J.Gokova Geom.Topol.
  
  Volume: 4 Pages: 67-81
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20740028
[Journal Article] Criteria for cuspidal Sk singularities and their applications2010
- Author(s)
  Kentaro Saji
- Journal Title
  
  J.Gokova Geom.Topol. 4
  
  Pages: 67-81
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20740028
[Journal Article] Coherent tangent bundles and Gauss-Bonnet formulas for wave fronts2010
- Author(s)
  Kentaro Saji, Masaaki Umehara, Kotaro Yamada
- Journal Title
  
  J.Geometric Analysis. Online First (to appear)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20740028
[Journal Article] The duality between singular points and inflection points on wave fronts2010
- Author(s)
  Kentaro Saji, Masaaki Umehara, Kotaro Yamada
- Journal Title
  
  Osaka J.Math.
  
  Volume: 47 Pages: 591-607
- NAID
  120004844268
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20740028
[Journal Article] Singularities of Blaschke normal maps of convex surfaces2010
- Author(s)
  Kentaro Saji, Masaaki Umehara, Kotaro Yamada
- Journal Title
  
  C.R.Math.Acad.Sci.Paris 348
  
  Pages: 665-668
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20740028
[Journal Article] Singularities of Blaschke normal maps of convex surfaces2010
- Author(s)
  K.Saji, M.Umehara, K.Yamada
- Journal Title
  
  C.R.Acad.Sci.Paris.Ser.I
  
  Volume: 348 Pages: 665-668
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22244006
[Journal Article] Horospherical flat surfaces in hyperbolic 3-space2010
- Author(s)
  Shyuichi Izumiya, Kentaro Saji, Masatomo Takahashi
- Journal Title
  
  J.Math.Soc.Japan 62
  
  Pages: 789-849
- NAID
  10027870826
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20740028
[Journal Article] Singularities of Blaschke normal maps of convex surfaces2010
- Author(s)
  Kentaro Saji, Masaaki Umehara, Kotaro Yamada
- Journal Title
  
  C.R.Math.Acad.Sci.Paris
  
  Volume: 348 Pages: 665-668
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20740028
[Journal Article] Horospherical flat surfaces in hyperbolic 3-space2010
- Author(s)
  Shyuichi Izumiya, Kentaro Saji, Masatomo Takahashi
- Journal Title
  
  J.Math.Soc.Japan
  
  Volume: 62 Pages: 789-849
- NAID
  10027870826
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20740028
[Journal Article] Criteria for singularities of smooth maps from the plane into the plane and their applications2010
- Author(s)
  Kentaro Saji
- Journal Title
  
  Hiroshima Math.J.
  
  Volume: 40 Pages: 229-239
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20740028
[Journal Article] Hyperbolic Schwarz map of the confluent hypergeometric differential equation2009
- Author(s)
  K.Saji, T.Sasaki, M.Yoshida
- Journal Title
  
  J.Math. Soc. Japan 61
  
  Pages: 559-578
- NAID
  10024905825
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20740028
[Journal Article] Flat lightlike hypersurfaces in Lorentz Minkowski 4-space2009
- Author(s)
  Shyuichi Izumiya, Marila del Carmen Romero Fuster, Kentaro Saji
- Journal Title
  
  J.Geom.Phys. 59
  
  Pages: 1528-1546
- NAID
  120001672718
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20740028
[Journal Article] Ak singularities of wave fronts2009
- Author(s)
  Kentaro Saji, Masaaki Umehara, Kotaro Yamada
- Journal Title
  
  Math.Proc.Cambridge Philos.Soc. 146
  
  Pages: 731-746
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20740028
[Journal Article] A_k-singularities of wave fronts2009
- Author(s)
  K. Saji, M. Umahara, K. Yamada
- Journal Title
  
  Math. Proc. Camb. Philos. Soc (掲載決定)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20740028
[Journal Article] Hyperbolic Schwarz map of the confluent hypergeometric differential equation2009
- Author(s)
  Kentaro Saji, Takeshi Sasaki, Masaaki Yoshida
- Journal Title
  
  J.Math.Soc.Japan 61
  
  Pages: 559-578
- NAID
  10024905825
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20740028
[Journal Article] The geometry of fronts2009
- Author(s)
  Kentaro Saji, Masaaki Umehara, Kotaro Yamada
- Journal Title
  
  Ann.of Math. 169
  
  Pages: 491-529
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20740028
[Journal Article] A_k singularities of wave fronts2009
- Author(s)
  K.Saji, M.Umehara, K.Yamada
- Journal Title
  
  Math. Proc. Camb. Philos. Soc. 146
  
  Pages: 731-746
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20740028
[Journal Article] Cuspidal cross caps and singularities of maximal surfaces2008
- Author(s)
  S. Fujimori, K. Saji, M. Umehara, K. Yamada
- Journal Title
  
  Math. Z 259
  
  Pages: 827-848
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20740028
[Journal Article] Behavior of corank one singular points on wave fronts2008
- Author(s)
  佐治健太郎
- Journal Title
  
  Kyushu J. Math.(to appear) 未定
- NAID
  110006648027
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19840001
[Journal Article] Great circular surfaces in the three-sphere
- Author(s)
  Shyuichi Izumiya, Takayuki Nagai, Kentaro Saji
- Journal Title
  
  Differential Geom.appl. (to appear)
- NAID
  120006459655
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20740028
[Journal Article] Coherent tangent bundles and Gauss-Bonnet formulas for wave fronts
- Author(s)
  Kentaro Saji, Masaaki Umehara, Kotaro Yamada
- Journal Title
  
  J.Geometric Analysis
  
  Volume: (掲載決定未定)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20740028
[Journal Article] Great circular surfaces in the three-sphere
- Author(s)
  Shyuichi Izumiya, Takayuki Nagai, Kentaro Saji
- Journal Title
  
  Differential Geom.appl.
  
  Volume: (掲載決定未定)
- NAID
  120006459655
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20740028
[Journal Article] A2-singularities of hypersurfaces with non-negative sectional curvature in Euclidean space
- Author(s)
  Kentaro Saji, Masaaki Umehara, Kotaro Yamada
- Journal Title
  
  Kodai Math.J.
  
  Volume: (掲載決定未定)
- NAID
  130004687956
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20740028
[Presentation] Geometry of singular surfaces and curves 32024
- Author(s)
  Kentaro Saji
- Organizer
  WORKSHOP on Algebraic and Analytic Singularities
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22KK0034
[Presentation] 波面のD4特異点の幾何2024
- Author(s)
  佐治健太郎
- Organizer
  特異点論及びその周辺分野の深化と異分野への応用
- Data Source
  KAKENHI-PROJECT-22K03312
[Presentation] Geometry of singular surfaces and curves 32024
- Author(s)
  Kentaro Saji
- Organizer
  WORKSHOP on Algebraic and Analytic Singularities
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K03301
[Presentation] Geometry of D4 singularities of fronts2024
- Author(s)
  Kentaro Saji
- Organizer
  WORKSHOP on Algebraic and Analytic Singularities
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22KK0034
[Presentation] Geometry of singular surfaces and curves 12024
- Author(s)
  Kentaro Saji
- Organizer
  WORKSHOP on Algebraic and Analytic Singularities
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22KK0034
[Presentation] Geometry of central singular point of D4-plus bifurcation of fronts2024
- Author(s)
  Kentaro Saji
- Organizer
  International Workshop on Singularities in Geometry and applications
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K03301
[Presentation] Geometry of singular surfaces and curves 12024
- Author(s)
  Kentaro Saji
- Organizer
  WORKSHOP on Algebraic and Analytic Singularities
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K03301
[Presentation] Geometry of singular surfaces and curves 32024
- Author(s)
  Kentaro Saji
- Organizer
  WORKSHOP on Algebraic and Analytic Singularities
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K03312
[Presentation] Geometry of central singular point of D4-plus bifurcation of fronts2024
- Author(s)
  Kentaro Saji
- Organizer
  International Workshop on Singularities in Geometry and Applications
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K03312
[Presentation] Geometry of D4 singularities of fronts2024
- Author(s)
  Kentaro Saji
- Organizer
  WORKSHOP on Algebraic and Analytic Singularities
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K03312
[Presentation] Geometry of singular surfaces and curves 12024
- Author(s)
  Kentaro Saji
- Organizer
  WORKSHOP on Algebraic and Analytic Singularities
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K03312
[Presentation] Geometry of D4 singularities of fronts2024
- Author(s)
  Kentaro Saji
- Organizer
  WORKSHOP on Algebraic and Analytic Singularities
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K03301
[Presentation] Geometry of singular surfaces and curves 22024
- Author(s)
  Kentaro Saji
- Organizer
  WORKSHOP on Algebraic and Analytic Singularities
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K03301
[Presentation] Geometry of singular surfaces and curves 22024
- Author(s)
  Kentaro Saji
- Organizer
  WORKSHOP on Algebraic and Analytic Singularities
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K03312
[Presentation] 波面のD4特異点の幾何2024
- Author(s)
  佐治健太郎
- Organizer
  特異点論及びその周辺分野の深化と異分野への応用
- Data Source
  KAKENHI-PROJECT-18K03301
[Presentation] Geometry of central singular point of D4-plus bifurcation of fronts2024
- Author(s)
  Kentaro Saji
- Organizer
  International Workshop on Singularities in Geometry and Applications
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22KK0034
[Presentation] Geometry of singular surfaces and curves 22024
- Author(s)
  Kentaro Saji
- Organizer
  WORKSHOP on Algebraic and Analytic Singularities
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22KK0034
[Presentation] 波面のD4特異点の幾何2024
- Author(s)
  佐治健太郎
- Organizer
  特異点論及びその周辺分野の深化と異分野への応用
- Data Source
  KAKENHI-PROJECT-22KK0034
[Presentation] Criteria for sharksfin and deltoid singularities from the plane into the plane and their applications2023
- Author(s)
  佐治健太郎
- Organizer
  位相幾何・微分幾何及びその周辺分野への特異点論の応用
- Data Source
  KAKENHI-PROJECT-22K03312
[Presentation] Geometry of D4 singularities of fronts2023
- Author(s)
  佐治健太郎
- Organizer
  Singularities of Differentiable Maps and Its applications
- Data Source
  KAKENHI-PROJECT-22KK0034
[Presentation] Criteria for sharksfin and deltoid singularities from the plane into the plane and their applications2022
- Author(s)
  佐治健太郎
- Organizer
  位相幾何・微分幾何及びその周辺分野への特異点論の応用
- Data Source
  KAKENHI-PROJECT-22KK0034
[Presentation] Criteria for sharksfin and deltoid singularities from the plane into the plane and their applications2022
- Author(s)
  佐治健太郎
- Organizer
  位相幾何・微分幾何及びその周辺分野への特異点論の応用
- Data Source
  KAKENHI-PROJECT-18K03301
[Presentation] Geometry of D4 singularities of fronts2022
- Author(s)
  佐治健太郎
- Organizer
  Singularities of Differentiable Maps and Its applications
- Data Source
  KAKENHI-PROJECT-18K03301
[Presentation] Geometry of D4 singularities of fronts2022
- Author(s)
  佐治健太郎
- Organizer
  Singularities of Differentiable Maps and Its applications
- Data Source
  KAKENHI-PROJECT-22K03312
[Presentation] D_4 関数の分岐集合の幾何2021
- Author(s)
  佐治健太郎
- Organizer
  日本数学会秋季総合分科会
- Data Source
  KAKENHI-PROJECT-18K03301
[Presentation] D_4 関数の分岐集合の幾何2021
- Author(s)
  佐治健太郎
- Organizer
  幾何や自然科学に現れる特異点
- Data Source
  KAKENHI-PROJECT-18K03301
[Presentation] 特異点をもつ曲面とカスプ辺との接触2019
- Author(s)
  佐治健太郎
- Organizer
  日本数学会トポロジー分科会
- Data Source
  KAKENHI-PROJECT-18K03301
[Presentation] Geometric invariants of lightlike points of surfaces in 3-dimensional Lorentzian manifolds2019
- Author(s)
  Kentaro Saji
- Organizer
  6th International Workshop on Singularities in Generic Geometry and its Applications
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K03301
[Presentation] Contact-like relation of vector fields and functions and its applications2019
- Author(s)
  Kentaro Saji
- Organizer
  Hyperplane arrangements and Japanese Australian workshop on Real and Complex Singularities
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K03301
[Presentation] スワローテイルの SO (3)- 標準形と幾何的模様2018
- Author(s)
  佐治健太郎
- Organizer
  日本数学会春季年会
- Data Source
  KAKENHI-PROJECT-26400087
[Presentation] 与えられた発散する平均曲率をもつ特異点付き曲面2018
- Author(s)
  佐治健太郎
- Organizer
  微分幾何学・微分式系・特異点論の応用
- Data Source
  KAKENHI-PROJECT-18K03301
[Presentation] Singular surfaces of revolution with prescribed unbounded mean curvature2018
- Author(s)
  Kentaro Saji
- Organizer
  第７回神戸特異点研究会
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26400087
[Presentation] Singularities of wave fronts and curvatures2018
- Author(s)
  佐治健太郎
- Organizer
  幾何学的視点からの形状形成
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K03301
[Presentation] ベクトル場と関数の接触とその応用2018
- Author(s)
  佐治健太郎
- Organizer
  特異点論とその応用
- Data Source
  KAKENHI-PROJECT-26400087
[Presentation] SO(3) normal forms and differential geometric invariants of singular surfaces2018
- Author(s)
  Kentaro Saji
- Organizer
  5th edition of the International Workshop on Real and Complex Singularities
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K03301
[Presentation] 非有界平均曲率をもつ特異点付き回転面2018
- Author(s)
  佐治健太郎
- Organizer
  幾何学と特異点
- Data Source
  KAKENHI-PROJECT-26400087
[Presentation] ランフォイドカスプの不変量とその応用2017
- Author(s)
  佐治健太郎
- Organizer
  山口佳三先生退職記念研究集会
- Data Source
  KAKENHI-PROJECT-26400087
[Presentation] Geometric foliations of fronts2017
- Author(s)
  Kentaro Saji
- Organizer
  The 2nd OCAMI-KOBE-WASEDA Joint International Workshop on Differential Geometry and Integrable Systems
- Place of Presentation
  大阪市立大学
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26400087
[Presentation] スワローテイルのノーマルフォームとその応用2017
- Author(s)
  佐治健太郎
- Organizer
  微分幾何学と特異点論の応用
- Data Source
  KAKENHI-PROJECT-26400087
[Presentation] Normal form of swallowtail and its applications2017
- Author(s)
  Kentaro Saji
- Organizer
  Geometric and Algebraic Singularity Theory
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26400087
[Presentation] 誰にでもできる特異点の判定法2016
- Author(s)
  佐治健太郎
- Organizer
  Encounter with Mathematics
- Place of Presentation
  中央大学(東京都・文京区)
- Year and Date
  2016-03-12
- Invited
- Data Source
  KAKENHI-PROJECT-26400087
[Presentation] Geometry of singular surfaces2016
- Author(s)
  Kentaro Saji
- Organizer
  School on Singularity Theory
- Place of Presentation
  Sao Paulo University, Sao Carlos, Brazil
- Year and Date
  2016-07-19
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26400087
[Presentation] Invariants of cuspidal edges and flat surface2016
- Author(s)
  Kentaro Saji
- Organizer
  International Workshop on Real and Complex Singularities
- Place of Presentation
  Sao Paulo University, Sao Carlos, Brazil
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26400087
[Presentation] 可微分写像の特異点の判定法とその応用2015
- Author(s)
  佐治健太郎
- Organizer
  トポロジーシンポジウム
- Place of Presentation
  名古屋工業大学(愛知県・名古屋市)
- Year and Date
  2015-08-09
- Invited
- Data Source
  KAKENHI-PROJECT-26400087
[Presentation] カスプ辺の幾何的模様2015
- Author(s)
  佐治健太郎
- Organizer
  日本数学会春季年会トポロジー分科会
- Place of Presentation
  明治大学駿河台キャンパスリバティタワー
- Year and Date
  2015-03-21
- Data Source
  KAKENHI-PROJECT-26400087
[Presentation] ４次元トポロジー2015
- Author(s)
  佐治健太郎
- Organizer
  ファイバー型モラン特異点の判定法とその応用
- Place of Presentation
  大阪市立大学(大阪府・大阪市)
- Year and Date
  2015-11-20
- Data Source
  KAKENHI-PROJECT-26400087
[Presentation] On pairs of geometric foliations on a cuspidal edge2015
- Author(s)
  Kentaro Saji
- Organizer
  Geometric Singularity Theory
- Place of Presentation
  ワルシャワ(ポーランド)
- Year and Date
  2015-09-10
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26400087
[Presentation] Geometry of singularities of fronts2014
- Author(s)
  Kentaro Saji
- Organizer
  The 2nd Franco-Japanese-Vietnamese symposium on singularities
- Place of Presentation
  北海道大学理学部7-310
- Year and Date
  2014-08-29
- Invited
- Data Source
  KAKENHI-PROJECT-26400087
[Presentation] Geometric invariants of non-degenerate singular points on wave fronts2014
- Author(s)
  Kentaro Saji
- Organizer
  The second Japanese-Spanish workshop on Diﬀerential Geometry
- Place of Presentation
  東京工業大学
- Data Source
  KAKENHI-PROJECT-23740045
[Presentation] モラン特異点のイソトピー2014
- Author(s)
  佐治健太郎
- Organizer
  日本数学会春季年会トポロジー分科会
- Place of Presentation
  学習院大学目白キャンパス
- Data Source
  KAKENHI-PROJECT-23740045
[Presentation] Isotopy of map-germs and Morin singularities2014
- Author(s)
  Kentaro Saji
- Organizer
  Transformations and singularities
- Place of Presentation
  DA09 E10 Konferenzraum, Technische Universitat Wien
- Year and Date
  2014-09-17
- Invited
- Data Source
  KAKENHI-PROJECT-26400087
[Presentation] Criteria and geometries of Morin singularities2014
- Author(s)
  Kentaro Saji
- Organizer
  13th International Workshop on Real and Complex Singularities
- Place of Presentation
  Instituto de Ciencias Mateaticas e de Computacao Universidade de Sao Paulo, Campus Sao Carlos
- Year and Date
  2014-07-29
- Data Source
  KAKENHI-PROJECT-26400087
[Presentation] 異次元モラン特異点の判定法とその応用2014
- Author(s)
  佐治健太郎
- Organizer
  写像の特異点論及び関連する科学の諸問題
- Place of Presentation
  都城工業高等専門学校多目的ホール
- Year and Date
  2014-06-07
- Data Source
  KAKENHI-PROJECT-26400087
[Presentation] 可微分写像の特異点判定法とその応用I, II2013
- Author(s)
  佐治健太郎
- Organizer
  第7回札幌・福岡幾何学セミナー
- Place of Presentation
  北海道大学理学部
- Invited
- Data Source
  KAKENHI-PROJECT-23740045
[Presentation] Isotopy of Morin singularities2013
- Author(s)
  Kentaro Saji
- Organizer
  Japanese-Brazilian Singularity Days
- Place of Presentation
  Sao Paulo 大学, Sao Carlos キャンパス
- Data Source
  KAKENHI-PROJECT-23740045
[Presentation] モラン写像芽のトポロジー2013
- Author(s)
  佐治健太郎
- Organizer
  位相幾何・微分幾何と特異点論の関わり
- Place of Presentation
  弘前大学
- Data Source
  KAKENHI-PROJECT-23740045
[Presentation] Geometric invariants of cuspidal edges2013
- Author(s)
  Kentaro Saji
- Organizer
  「Geometric Singularity Theory Polish- Japanese Singularity Theory Working Days
- Place of Presentation
  Warsaw Center of Mathematics and Computer Science, Warsaw, Poland
- Data Source
  KAKENHI-PROJECT-23740045
[Presentation] Geometric invariants of cuspidal edges2013
- Author(s)
  Kentaro Saji
- Organizer
  Theory of singularities of smooth mappings and around it
- Place of Presentation
  数理解析研究所
- Data Source
  KAKENHI-PROJECT-23740045
[Presentation] 双曲空間内の定曲率線織面とその特異点2012
- Author(s)
  佐治健太郎
- Organizer
  特異点論と幾何構造
- Place of Presentation
  長野市生涯学習センター
- Data Source
  KAKENHI-PROJECT-23740045
[Presentation] 4次元多様体間の写像の臍特異点の判定法2012
- Author(s)
  佐治健太郎
- Organizer
  日本数学会2012年春期年会
- Place of Presentation
  東京理科大学神楽坂キャンパス
- Data Source
  KAKENHI-PROJECT-23740045
[Presentation] Singularities of surfaces swept by constant curvature curves2012
- Author(s)
  Kentaro Saji
- Organizer
  12th International Workshop on Real and Complex singularities
- Place of Presentation
  Sao Paulo 大学, Sao Carlos キャンパス
- Data Source
  KAKENHI-PROJECT-23740045
[Presentation] Applications of criteria for singularities -Singularities of ruling maps in the plane-2011
- Author(s)
  佐治健太郎
- Organizer
  研究集会「札幌・長春特異点論セミナー」
- Place of Presentation
  北海道大学
- Year and Date
  2011-02-18
- Data Source
  KAKENHI-PROJECT-20740028
[Presentation] Geometry of wavefronts2011
- Author(s)
  佐治健太郎
- Organizer
  Singularities in geometry and applications(招待講演)
- Place of Presentation
  ポーランド、ベンドレヴォ
- Data Source
  KAKENHI-PROJECT-23740045
[Presentation] 3次元球面内の大円織面の特異点2011
- Author(s)
  佐治健太郎
- Organizer
  部分多様体幾何とリー群作用2011/9(招待講演)
- Place of Presentation
  東京理科大学森戸記念館
- Data Source
  KAKENHI-PROJECT-23740045
[Presentation] Applications of criteria for singularities-Singularities of ruling maps in the plane-2011
- Author(s)
  佐治健太郎
- Organizer
  札幌・長春特異点論セミナー
- Place of Presentation
  北海道大学
- Year and Date
  2011-02-18
- Data Source
  KAKENHI-PROJECT-20740028
[Presentation] D4特異点の判定法とその応用2011
- Author(s)
  佐治健太郎
- Organizer
  第58回幾何学シンポジウム
- Place of Presentation
  山口大学吉田キャンパス
- Data Source
  KAKENHI-PROJECT-23740045
[Presentation] Fronts to be graphs of continuous functions2010
- Author(s)
  佐治健太郎
- Organizer
  研究集会「空間認識のための特異点論」
- Place of Presentation
  伊勢市観光文化会館
- Year and Date
  2010-06-02
- Data Source
  KAKENHI-PROJECT-20740028
[Presentation] Geometry of cuspidal edges2010
- Author(s)
  佐治健太郎
- Organizer
  The 11th Workshop on Singularities
- Place of Presentation
  ブラジル・サンカルロス
- Year and Date
  2010-07-26
- Data Source
  KAKENHI-PROJECT-20740028
[Presentation] Geometry of cuspidal edges2010
- Author(s)
  佐治健太郎
- Organizer
  研究集会「The 11th Workshop on Singularities」
- Place of Presentation
  ブラジル・サンカルロス
- Year and Date
  2010-07-26
- Data Source
  KAKENHI-PROJECT-20740028
[Presentation] Fronts to be graphs of continuous functions2010
- Author(s)
  佐治健太郎
- Organizer
  空間認識のための特異点論
- Place of Presentation
  伊勢市観光文化会館
- Year and Date
  2010-06-02
- Data Source
  KAKENHI-PROJECT-20740028
[Presentation] モンド特異点の判定とその応用2009
- Author(s)
  佐治健太郎
- Organizer
  トポロジーと写像の特異点
- Place of Presentation
  信州大学理学部
- Year and Date
  2009-06-05
- Data Source
  KAKENHI-PROJECT-20740028
[Presentation] 波面のD型特異点とその判定法2009
- Author(s)
  佐治健太郎
- Organizer
  幾何セミナー
- Place of Presentation
  大阪大学理学部
- Year and Date
  2009-07-27
- Data Source
  KAKENHI-PROJECT-20740028
[Presentation] Recognition criteria for cuspidal Mond singularities and their applications2009
- Author(s)
  佐治健太郎
- Organizer
  Third Japanese Australian workshop on real and complex singularities
- Place of Presentation
  オーストラリア(シドニー)
- Year and Date
  2009-09-16
- Data Source
  KAKENHI-PROJECT-20740028
[Presentation] Recognition criteria for cuspidal Mond singularities and their applications2009
- Author(s)
  佐治健太郎
- Organizer
  研究集会「Third Japanese/Australian Workshop on Real and Complex Singularities」
- Place of Presentation
  オーストラリア・シドニー
- Year and Date
  2009-09-16
- Data Source
  KAKENHI-PROJECT-20740028
[Presentation] 可微分写像にあらわれる特異点の認識について2009
- Author(s)
  佐治健太郎
- Organizer
  応用特異点論の現状と展望
- Place of Presentation
  北海道大学数学連携研究センター
- Year and Date
  2009-03-16
- Data Source
  KAKENHI-PROJECT-20740028
[Presentation] Criteria for singualrities of fronts and its applications2009
- Author(s)
  佐治健太郎
- Organizer
  研究集会「International Conference on Mathematical Control Theory and Mechanics」
- Place of Presentation
  ロシア・スズダリ
- Year and Date
  2009-07-04
- Data Source
  KAKENHI-PROJECT-20740028
[Presentation] モンド特異点の判定とその応用2009
- Author(s)
  佐治健太郎
- Organizer
  研究集会「トポロジーと写像の特異点」
- Place of Presentation
  信州大学
- Year and Date
  2009-06-05
- Data Source
  KAKENHI-PROJECT-20740028
[Presentation] Criteria for singularities of fronts and its applications2009
- Author(s)
  佐治健太郎
- Organizer
  Mathematical control theory and mechanics
- Place of Presentation
  ロシア(スーズダリ)
- Year and Date
  2009-07-04
- Data Source
  KAKENHI-PROJECT-20740028
[Presentation] Criteria for singularities of the maps from the plane into the plane and their applications2008
- Author(s)
  佐治健太郎
- Organizer
  幾何学的視点からの特異点論
- Place of Presentation
  九州大学理学部
- Year and Date
  2008-06-04
- Data Source
  KAKENHI-PROJECT-20740028
[Presentation] Shapes of swallowtail as discriminant sets2008
- Author(s)
  佐治健太郎
- Organizer
  International workshop on Real and Complex singularities
- Place of Presentation
  サンカルロス(ブラジル)
- Year and Date
  2008-07-31
- Data Source
  KAKENHI-PROJECT-20740028

1. ROSSMAN Wayne (50284485)

# of Collaborated Projects: 4 results

# of Collaborated Products: 6 results
2. UMEHARA Masaaki (90193945)

# of Collaborated Projects: 3 results

# of Collaborated Products: 4 results
3. ISHIKAWA Goo (50176161)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
4. Ohmoto Toru (20264400)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
5. 高橋雅朋 (80431302)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
6. YAMADA Kotaro (10221657)

# of Collaborated Projects: 2 results

# of Collaborated Products: 4 results
7. IZUMIYA Shyuichi (80127422)

# of Collaborated Projects: 2 results

# of Collaborated Products: 1 results
8. MABUCHI Toshiki (80116102)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
9. OHNITA Yoshihiro (90183764)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
10. MASHIMO Katsuya (50157187)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
11. HASHIMOTO Hideya (60218419)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
12. KOISO Norihito (70116028)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
13. GOTO Ryushi (30252571)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
14. KOKUBU Masatoshi (50287439)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
15. FUJIMORI Syoichi (00452706)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
16. MIYAOKA Reiko (70108182)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
17. KAWAKAMI Yu (60532356)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
18. AGAOKA Yoshio (50192894)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
19. KITAGAWA Yoshihisa (20144917)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
20. TONEGAWA Yoshihiro (80296748)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
21. ONO Kaoru (20204232)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
22. KOIKE Shigeaki (90205295)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
23. 寺尾宏明 (90119058)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
24. 直川耕祐 (60740826)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
25. 澁谷一博 (00569832)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
26. 齋藤幸子 (40260400)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
27. 三松佳彦 (70190725)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
28. 寺本圭佑 (10830002)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
29. Machida Yoshinori

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
30. Kitagawa Yumiko

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
31. Kabata Yutaro

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
32. Janeczko Stanislaw

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
33. 大本享

# of Collaborated Projects: 0 results

# of Collaborated Products: 4 results

Saji Kentaro 佐治 健太郎

SAJI Kentaro 佐治 健太郎

Research Projects

Research Products

Co-Researchers

特異点判定法を用いた曲面の特異性の類似性・相違性の研究Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Global behavior of discrete surfaces via integrability

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Characterization of singular points and study of surface singularitiesPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Cross-disciplinary fusion of singular phenomena by singularity theoryPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Differential geometrey of singularities and its applications

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Singularity theoretic study of surface singularitiesPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Differential geometric approach to discrete surfaces

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Developments and applications of geometric singularity theory

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Algebro-geometric method for singularity criteria in kinematics

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Geometric studies on singularity of non-linear phenomena

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Deepening singularity theory and low dimensional geometryPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Surface theory and low-dimensional topology by using singularity theoryPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Geometry of curves, surfaces and hypersurfaces with singularities

Principal Investigator

Project Period (FY)

Saji Kentaro 佐治健太郎

SAJI Kentaro 佐治健太郎