Rchr
J-GLOBAL ID：200901034002812991
Update date: Nov. 23, 2024
Nishimura Takashi
ニシムラ タカシ | Nishimura Takashi
Affiliation and department：
Job title：
Adjunct Professor
Research field (3)：
Geometry
, Applied mathematics and statistics
, Basic mathematics
Research keywords (3)：
Envelope
, Singularity theory of smooth mappings
, Catastroph theory
Research theme for competitive and other funds (19)：
- 2023 - 2027 包絡超曲面の研究
- 2022 - 2023 Singular Differential Geometry Properties of submanifolds
- 2022 - 2023 Study on singularities of submanifolds in various spaces
- 2022 - 2022 Deepening and Evolution of Applied Singularity Theory
- 2017 - 2020 特異点論の新展開
- 2019 - 2020 ウルフ図形と双対ウルフ図形の研究
- 2016 - 2017 特異点論におけるワルシャワ工科大学との共同研究の推進
- 2016 - 2017 「特異点論の新展開」に関する共同研究
- 2014 - 2016 特異点論による結晶理論と視覚理論の幾何学的融合
- 2014 - 2016 Singularity Theory and its Applications--Sustainable fostering project for Japan and Brazil young researchers on singularity theory--
- 2014 - 2015 Visiting Professor Scholarship
- 2013 - 2014 国際共著論文のための出張支援事業
- 2012 - 2014 Singularity theory of differentiable maps and its applications
- 2012 - Distance-squared mappings and their related topics
- 2010 - Study on liftable vector fields
- 2002 - 2003 Recognition Problem in Singularity Theory of Differentiable Mappings
- 1992 - 1992 可微分写像芽の位相的研究
- 1989 - Application of Singularity theory to bifurcation problems
- 1987 - 1987 写像の特異点の位相的研究
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Papers (60)：
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Takashi Nishimura. Envelopes of straight line families in the plane. To appear in Hokkaido Mathematical Journal. 2025
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Huhe Han, Takashi Nishimura. Corrigendum: The spherical dual transform is an isometry for spherical Wulff shapes. Studia Mathematica. 2024. 277. 2. 191-193
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Takashi Nishimura. On envelopes created by circle families in the plane. MI Lecture Note. 2024. 95. 323-331
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Yongqiao Wang, Takashi Nishimura. Envelopes created by circle families in the plane. Journal of Geometry. 2024. 115. 7
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Takashi Nishimura. Hyperplane families creating envelopes. Nonlinearity. 2022. 35. 2588
ｍore...
MISC (6)：
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西村尚史. 包絡線や包絡面の創造的条件に関連する問題について. 数理解析研究所講究録. 2024. 2281. 120-135
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西村尚史. 平面内の直線族が創造する包絡線について. 数理解析研究所講究録. 2022. 2226. 37-68
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Ichiki Shunsuke, Nishimura Takashi. AROUND DISTANCE-SQUARED MAPPINGS (Singularity theory of differential maps and its applications). RIMS Kokyuroku. 2015. 1948. 28-37
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西村 尚史. ホイットニーの傘とスワローテイル. 第59回トポロジーシンポジウム講演集. 2012. 49-60
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西村 尚史. 有限確定多重芽上持ち上げ可能なベクトル場がなす加群の生成元について. 数理解析研究所講究録. 2011. 1764. 126-138
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Books (3)：
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School on Real and Complex Singularities in São Carlos, 2012
日本数学会 2016 ISBN:9784864970303
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The 12th International Workshop on Real and Complex Singularities, 22-27th July, 2012, Celebrating the 60th birthday of Prof. Shyuichi Izumiya, ICMC-USP, São Carlos, Brazil
Journal of Singularities 2014
-
特異点と分岐、特異点の数理2
共立出版 2002
Lectures and oral presentations (61)：
-
A characterization of the Legendre involution on the class of generic frontals
(Singularity seminar, University of Valencia (Valencia, Spain) 2024)
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A siimple question arising from creative line families in the plane
(Polish-Japanese Singularity Theory Working Days, Warsaw University of Technology (Poland) 2024)
-
On envelopes created by families of straight lines in R^2 (online talk)
(2024 Workshop on Geometry, Topology of Singular Submanifolds and Related Topics, Northeast Normal University (Changchun, China) 2024)
-
Straight line families in the plane and their envelopes
(18th International Workshop on Real and Complex Singularities, University of Valencia (Spain) 2024)
-
On envelopes created by straight line families in the plane
(Singularity days at ICMC, University of Sao Paulo at Sao Carlos (Brazil) 2024)
ｍore...
Education (2)：
- - 1987 Waseda University Graduate School, Division of Science and Engineering Mathematics
- - 1981 Waseda University Faculty of Science and Engineering
Professional career (2)：
- Master of Science (Waseda University)
- Doctor of Science (Waseda University)
Work history (11)：
- 2023/05 - 現在 Yokohama National University, Faculty of Environment and Information Sciences Adjunct Professor
- 2023/04 - 現在 Yokohama National University Professor Emeritus
- 2018/04 - 2023/03 Yokohama National University Graduate School of Environment and Information Sciences Department of Information Environment Professor
- 2011/04 - 2023/03 Yokohama National University Faculty of Environment and Information Sciences Division of Social Environment and Information Professor
- 2011/04 - 2023/03 Yokohama National University College of Engineering Science Department of Mathematics, Physics, Electrical Engineering and Computer Science Professor
- 2011/04 - 2023/03 Yokohama National University Graduate School of Environment and Information Sciences Department of Information Media and Environment Sciences Professor
- 2006/04/01 - 2011/03/31 Yokohama National University College of Education and Human Sciences Professor
- 1997/10/01 - 2006/03/31 Yokohama National University College of Education and Human Sciences Associate Professor
- 1993/04/01 - 1997/09/30 Yokohama National University College of Education Associate Professor
- 1988/04/01 - 1993/03/31 Yokohama National University College of Education Research Associate
- 1986/04 - 1988/03 Waseda University FAculty of Science and Engineering Research Assistant
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