Rchr
J-GLOBAL ID：200901014864874168
Update date: Nov. 05, 2025
UDAGAWA Seiichi
ウダガワ セイイチ | UDAGAWA Seiichi
Affiliation and department：
Job title：
Professor
Research field (4)：
Mathematical analysis
, Geometry
, Mathematical analysis
, Geometry
Research keywords (8)：
Torus
, Symmetric space
, Harmonic maps
, Minimal surface theory
, Integrable systems
, Harmonic map theory
, Global analysis
, Riemannian geometry
Research theme for competitive and other funds (18)：
- 2021 - 2025 微分幾何学に現れる可積分系とその離散化
- 2015 - 2018 The construcion of a general self study system of the basic study for the medicine and veterinary medicin by using e--Learning system
- 2012 - 2015 Designing a laboratory lesson plan for medical students based on a multidisciplinary perspective from physics, biology and mathematics
- 2008 - 2008 定曲率空間における不変な等温面と一様分離曲面
- 2005 - 2008 Research on Submanifold Theory via Infinite Dimensional Methods
- 2005 - 2007 Ruled real surfaces formed by Kaehler magnetic fields
- 2004 - 2006 Cayley algebra and Grassmann geometry
- 2003 - 2005 Various geometric structures and Grassmann Geometry
- 2002 - 2004 Comparison on bow-shapes for Kaehler magnetic fields
- 2001 - 2003 Differential geometry of harmonic maps, minimal submanifolds and Yang-Mills-Higgs equations
- 2000 - 2001 Applications of integrable systems in geometry and topology
- 1997 - 1999 Constructions of puriharmonic maps from torus into symmetric spaces and applications of theory of integrable systems
- 1997 - 1998 Geometry related to harmonic maps
- 1997 - 1998 DIFFERENTIAL GEOMETRIC RESEARCH ON SUBMANIFOLDS AND STUDY OF SYSTEMS FOR THE EFFECTIVE DISSEMINATION OF RESEARCH
- 1994 - 1996 対称空間への調和写像と可積分系理論の応用
- 1995 - 1995 部分多様体と調和写像の微分幾何学
- 1993 - 1993 複素トーラスから対称空間への調和写像の研究
- 1989 - 1991 ケーラー多様体からの多重調和写像の安定性、正則性及び、それらの構成と分解について
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Papers (56)：
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Yuki Katoh, Akiko Kubo, Nobuki Hayashi, Toshihiro Sugi, Kanoko Katoh, Seiichi Udagawa, Tadashi Ogawa, Takashi Iwata, Hiroshi Nishio, Masaki Sugawara, et al. Serum levels of stearic and dihomo-γ-linolenic acids can be used to diagnose cervical cancer and cervical intraepithelial neoplasia. Scientific Reports. 2024. 14. 1
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Shigeru Sakaguchi, Lorenzo Cavallina and Seiichi Udagawa. A characterization of a hyperplane in two-phase heat conductors. Communications in Analysis and Geometry. 2024. 31. 1867-1888
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Shun Horaguchi, Yoshiro Nakahara, Yuka Igarashi, Taku Kouro, Feifei Wei, Kenta Murotani, Seiichi Udagawa, Naoko Higashijima, Norikazu Matsuo, Shuji Murakami, et al. Prognostic Significance of Plasma Neutrophil Extracellular Trap Levels in Patients with Non-Small Cell Lung Cancer Treated with Immune Checkpoint Inhibitors. Biomedicines. 2024. 12. 8. 1831-1831
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Kenji Kajiwara, Shota Shigetomi, Seiichi Udagawa. Simple and explicit constructions of semi-discrete surfaces and discrete surfaces. arXiv. 2024
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Keiko Nezu, Shingo Hayashida, Nobuhiko Nagano, Seiichi Udagawa, Ichiro Morioka. Early Fever Resolution in Early Childhood Influenza Treated with Baloxavir Marboxil: A Retrospective Study Compared to Those with Oseltamivir. Medicina. 2023. 59. 9. 1543-1543
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MISC (1)：
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宇田川 誠一, 井ノ口 順一, 梶原 健司. Sine-Gordon方程式の解法とその離散化. 日本大学医学部一般教育研究紀要 / 日本大学医学部一般教育 編. 2022. 50. 9-26
Books (7)：
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情報科学
アイ・ケイコーポレーション 2025 ISBN:9784874923993
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Elementary Encyclopedia of Geometry
2023 ISBN:9784254111583
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数学/統計学
医歯薬出版株式会社 2019 ISBN:9784263223161
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エクセル統計学
アイ・ケイ コーポレーション 2018
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Tzitzeica 方程式の有限間隙解に付随した極小曲面の構成理論 -Tzitzeica 方程式の楕円関数解を出発点として-
Institute of Mathematics for industry 2017
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Lectures and oral presentations (20)：
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Solving the sine-Gordon equation and its descretization
(The 3rd Shot of The 13th MSJ-SI,"Differential Geometry and Integrable Systems" 2023)
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sine-Gordon方程式の解法と離散化
(ミニワークショップ「微分幾何・可積分系・形状生成」 2023)
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Spacelike CMC-surface in 3-dimensional anti-de Sitter space and Hill equation
(RIMS The 4-th International Workshop ,”Geometry of Submanifolds and Integrable Systems" 2022)
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2次元の球面, 双曲型空間または de Sitter 空間上のN個の測地線の交点定理について
(日本数学会秋季分科会 2010)
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球面内の平均曲率ベクトルが平行な等質部分多様体のある構成法
(日本数学会秋季分科会 2010)
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Education (3)：
- - 1987 Tokyo Metropolitan University Graduate School, Division of Natural Science Differential Geometry
- - 1987 Tokyo Metropolitan University Graduate School, Division of Natural Science Differential Geometry
- - 1983 Waseda University Faculty of Science and Engineering 数学
Work history (5)：
- 2012/11 - 現在 日本大学教授
- 2007/04 - 2012/10 日本大学医学部准教授
- 2004/08 - 2007/03 日本大学医学部助教授
- 1988/05 - 2004/07 日本大学医学部専任講師
- 1987/04 - 1988/04 日本大学医学部助手
Committee career (1)：
- 2001/07 - 2003/06 日本数学会 和文専門誌“数学”常任編集委員
Association Membership(s) (1)：
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