Rchr
J-GLOBAL ID:200901068608565487
Update date: Aug. 16, 2024
Nikkuni Ryo
ニックニ リョウ | Nikkuni Ryo
Affiliation and department:
Job title:
Professor
Homepage URL (2):
http://www.lab.twcu.ac.jp/~nick/
,
http://www.lab.twcu.ac.jp/~nick/index-e.html
Research field (1):
Geometry
Research keywords (3):
Low-dimensioal topology
, Knot theory
, Spatial graph theory
Research theme for competitive and other funds (10):
- 2022 - 2025 Topology of spatial graphs and their intrinsic properties
- 2019 - 2023 Hierarchy structures of spatial graphs and algebraic invariants
- 2015 - 2020 Geometric structures and combinaorial structures of 3-manifolds
- 2015 - 2019 Algebraic invariants for spatial graphs and its applications
- 2010 - 2015 Geometric structure and combinatorial structure of 3-dimensional manifolds
- 2012 - 2015 Topology of spatial graphs and the algebraic invariants
- 2010 - 2014 Study of invariants and geometric structures by local moves in Knot Theory
- 2009 - 2012 Invariants of spatial graphs coming from algebraic topology
- 2006 - 2009 Invariants and regular projections on spatial graphs
- 2003 - 2005 Invariants and local moves on spatial graphs
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Papers (38):
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Ryo Nikkuni. Converses to generalized Conway-Gordon type congruences. Tokyo Journal of Mathematics. 2024. 47. 2. to appear
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Ayumu Inoue, Naoki Kimura, Ryo Nikkuni, Kouki Taniyama. Crossing numbers and rotation numbers of cycles in a plane immersed graph. Journal of Knot Theory and Its Ramifications. 2022. 31. 11. 2250076
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R. Nikkuni. Capturing links in spatial complete graphs. Journal of Knot Theory and Its Ramifications. 2022. 31. 03. 2250022
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Hiroko Morishita, Ryo Nikkuni. Generalization of the Conway-Gordon theorem and intrinsic linking on complete graphs. Annals of Combinatorics. 2021. 25. 2. 439-470
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Erica Flapan, Kenji Kozai, Ryo Nikkuni. Stick number of non-paneled knotless spatial graphs. New York Journal of Mathematics. 2020. 26. 836-852
more...
MISC (2):
Books (1):
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空間グラフのトポロジー : Conway-Gordonの定理をめぐって
サイエンス社 2022 ISBN:9784781915487
Lectures and oral presentations (56):
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Conway-Gordon type theorems and its applications
(Joint meeting of the NZMS, AustMS and AMS 2024)
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Capturing knots and links in spatial graphs
(Knots and Spatial Graphs 2024 2024)
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Conway--Gordon の空間7頂点完全グラフをめぐって
(研究集会「結び目理論」 2024)
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空間グラフの内在的性質に関する最近の話題
(ミニシンポジウム「グラフ理論とその関連分野」,Japanese Conference on Combinatorics and its Applications 2023 2023)
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Converses to generalized Conway-Gordon type congruences
(Knots and Spatial Graphs 2023 2023)
more...
Education (3):
- 1999 - 2002 Tohoku University Graduate School of Information Sciences Division of Mathematics, Doctral Program
- 1997 - 1999 Tohoku University Graduate School of Information Sciences Division of Mathematics, Master Program
- 1993 - 1997 Rikkyo University College of Science Department of Mathematics
Professional career (1):
- Doctral degree in Information Sciences (Tohoku University)
Work history (6):
- 2017/04 - 現在 Tokyo Woman's Christian University School of Arts and Sciences Professor
- 2009/04 - 2017/03 Tokyo Woman's Christian University School of Arts and Sciences Associate professor
- 2008/04 - 2009/03 Kanazawa University Faculty of Teacher Education, Institute of Human and Social Sciences Associate professor
- 2007/04 - 2008/03 Kanazawa University Faculty of Education Associate professor
- 2005/04 - 2007/03 Kanazawa University Faculty of Education Associate professor
- 2003/04 - 2005/03 Waseda University School of Education Research Fellow (PD) of the Japan Society for the Promotion of Science
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Committee career (10):
- 2022/07 - 2024/06 日本学術振興会 国際事業委員会書面審査員・書面評価員
- 2022/07 - 2024/06 日本学術振興会 卓越研究員候補者選考委員会書面審査員
- 2022/07 - 2024/06 日本学術振興会 特別研究員等審査会専門委員
- 2023/03 - 2023/11 公益財団法人 数学オリンピック財団 国際数学オリンピック(IMO)2023 実行委員
- 2018/12 - 2021/11 日本学術振興会 科学研究費委員会専門委員
- 2017/05 - 2018/07 日本学術振興会 卓越研究員候補者選考委員会書面審査員
- 2016/08 - 2018/07 日本学術振興会 国際事業委員会書面審査員・書面評価員
- 2016/08 - 2018/07 日本学術振興会 特別研究員等審査会専門委員
- 2005/04 - 2009/03 金沢子ども科学財団 算数・数学チャレンジクラブ指導員 (委嘱)
- 2005/04 - 2007/03 石川県教育センター 教授 (嘱託)
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Awards (2):
- 2024/02 - 東京女子大学 2023年度エクセレント・ファカルティー
- 2018/07 - 日本学術振興会 平成29年度特別研究員等審査会専門委員(書面担当)表彰
Association Membership(s) (1):
Mathematical Society of Japan
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