Rchr
J-GLOBAL ID：200901072678826650
Update date: Jan. 30, 2024
Saji Kentaro
サジ ケンタロウ | Saji Kentaro
Affiliation and department：
Job title：
Associate Professor
Research field (1)：
Geometry
Research keywords (5)：
differential geometry Voronoi diagrams
, singularity
, ボロノイ図
, 微分幾何
, 特異点
Research theme for competitive and other funds (13)：
- 2022 - 2026 Characterization of singular points and study of surface singularities
- 2021 - 2026 Differential geometrey of singularities and its applications
- 2018 - 2022 曲面にあらわれる特異性の特異点論的研究
- 2015 - 2020 離散化された曲面の微分幾何学的様相
- 2015 - 2019 Developments and applications of geometric singularity theory
- 2015 - 2018 Algebro-geometric method for singularity criteria in kinematics
- 2014 - 2018 Geometric studies on singularity of non-linear phenomena
- 2014 - 2018 特異点論の深化と低次元幾何学
- 2010 - 2015 Geometry of curves, surfaces and hypersurfaces with singularities
- 2011 - 2015 特異点論を使った曲面論・低次元トポロジーの研究
- 2008 - 2010 Differential geometric study of surfaces with singularities
- 2007 - 2008 特異点理論とその曲面論、低次元トポロジーへの応用
- 2004 - 2006 特異点理論による幾何学の新展開
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Papers (53)：
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A. Honda, K. Naokawa, K. Saji, M. Umehara, K. Yamada. On the existence of four or more curved foldings with common creases and crease patterns. Beiträge zur Algebra und Geometrie / Contributions to Algebra and Geometry. 2022. 63. 4. 723-761
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Kentaro Saji, Keisuke Teramoto. Behavior of principal curvatures of frontals near non-front singular points and their applications. Journal of Geometry. 2021. 112. 3
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Atsufumi Honda, Shyuichi Izumiya, Kentaro Saji, Keisuke Teramoto. Geometry of lightlike locus on mixed type surfaces in Lorentz-Minkowski 3-space from a contact viewpoint. Tsukuba Journal of Mathematics. 2021. 45. 1
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Yutaro Kabata, Kentaro Saji. Criteria for sharksfin and deltoid singularities from the plane into the plane and their applications. Beitrage zur Algebra und Geometrie. 2021
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Masaru Hasegawa, Yutaro Kabata, Kentaro Saji. Capturing information on curves and surfaces from their projected images. International Journal of Mathematics for Industry. 2020. 2050004-2050004
ｍore...
MISC (5)：
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Atsufumi Honda, Kosuke Naokawa, Kentaro Saji, Masaaki Umehara, Kotaro Yamada. On the existence of four or more curved foldings with common creases and crease patterns. 2019
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Atsufumi Honda, Kosuke Naokawa, Kentaro Saji, Masaaki Umehara, Kotaro Yamada. Duality on generalized cuspidal edges preserving singular set images and first fundamental forms. 2019
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Saji Kentaro. Criteria for Morin singularities into higher dimensions (Theory of singularities of smooth mappings and around it). RIMS Kokyuroku Bessatsu. 2016. 55. 205-224
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Saji Kentaro, Umehara Masaaki, Yamada Kotaro. The duality between singular points and inflection points on wave fronts. Osaka Journal of Mathematics. 2010. 47. 2. 591-607
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Kentaro SAJI. Singularities of non-degenerate 2-ruled hypersurfaces in 4-space. Hiroshima mathematical journal. 2002. 32. 2. 309-323
Books (1)：
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特異点をもつ曲線と曲面の微分幾何学
丸善出版 2017
Lectures and oral presentations (36)：
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特異点をもつ曲面とカスプ辺との接触
(日本数学会トポロジー分科会 2019)
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Singularities of wave fronts and curvatures
(幾何学的視点からの形状形成 2018)
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SO(3) normal forms and differential geometric invariants of singular surfaces
(15th edition of the International Workshop on Real and Complex Singularities, Instituto de Ciências Matemáticas e de Computacão 2018)
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Singular surfaces with prescribed unbounded mean curvature
(微分幾何学・微分式系・特異点論の応用 2018)
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与えられた非有界平均曲率をもつ特異点付き回転面
(幾何学と特異点2018 2018)
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Professional career (1)：
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