Rchr
J-GLOBAL ID：201901006777071959
Update date: Nov. 05, 2024
Yukita Tomoshige
ユキタ トモシゲ | Yukita Tomoshige
Affiliation and department：
Job title：
Seinior Lecturer
Homepage URL (1)：
https://sites.google.com/view/tomoshigeyukita
Research field (1)：
Geometry
Research keywords (3)：
Geometric Group Theory
, Coxeter group
, Hyperbolic geometry
Research theme for competitive and other funds (2)：
- 2020 - 2024 Study of the continuity of growth rates and spectral radii on the space of marked groups
- 2017 - 2019 Realizability of hyperbolic Coxeter polytopes and their growth rates
Papers (7)：
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Naomi Bredon, Tomoshige Yukita. Coxeter systems with 2-dimensional Davis complexes, growth rates and Perron numbers. Algebraic & Geometric Topology. 2024. 24. 3. 1787-1808
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Tomoshige Yukita. On the continuity of the growth rate on the space of Coxeter systems. Groups, Geometry, and Dynamics. 2024. 18. 1. 109-126
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Tomoshige YUKITA. Locally Rigid Right-angled Coxeter Groups with Fuchsian Ends in Dimension 5. Tokyo Journal of Mathematics. 2022. 45. 2
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Tomoshige Yukita. An infinite sequence of ideal hyperbolic Coxeter 4-polytopes and Perron numbers. Kodai Mathematical Journal. 2019. 42. 2
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Tomoshige Yukita. Growth Rates of 3-dimensional Hyperbolic Coxeter Groups are Perron Numbers. Canadian Mathematical Bulletin. 2018. 61. 2. 405-422
ｍore...
MISC (4)：
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Yukita, Tomoshige. Local rigidity of right-angled Coxeter groups in hyperbolic 5-space (Geometry of discrete groups and hyperbolic spaces). RIMS Kokyuroku. 2022. 2219. 68-75
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鷹本, 大志, 雪田, 友成. 種数2のSchottky群のJørgensen数について-On the Jørgensen Numbers of the Schottky Groups of Genus 2. 学術研究 : 自然科学編. 2021. 69. 1-18
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小森 洋平, 利根川 真隆, 雪田 友成. Construction of Polyhedra Equidecomposable with a Cube. 学術研究. 自然科学編 = Academic studies and scientific research. 2016. 65. 1-14
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小森 洋平, 雪田 友成. On the Classification of Ideal Coxeter Polytopes by Projection Method. 学術研究. 自然科学編 = Academic studies and scientific research. 2014. 63. 47-56
Lectures and oral presentations (38)：
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コクセター系の極限と増大型について
(Random topics on Teichmüller theory II 2023)
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コクセター系の増大度とナーブの位相型について
(金沢トポロジーセミナー 2023)
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コクセター群のnerveのトポロジーと増大度について
(福岡大学微分幾何セミナー 2023)
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On nerves and growth rates of 2-dimensional Coxeter systems
(日本数学会・2023年度年会 2023)
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コクセター系のnerveのオイラー標数と増大度
(2022年度「リーマン面・不連続群論」研究集会 2023)
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Education (3)：
- 2016 - 2019 Waseda University Graduate School of Education, Doctoral Program Curriculum Area Sciences major
- 2014 - 2016 Waseda University Graduate School of Education, Master's program Mathematics Education major
- 2010 - 2014 Waseda University School of Education Department of Mathematics
Professional career (1)：
Work history (5)：
- 2023/04 - 現在 Ashikaga University Liberal Arts Education Center Senior Lecturer
- 2019/04 - 2023/03 Waseda University School of Education, Faculty of Education and Integrated Arts and Sciences, Waseda University Assistant Professor
- 2020/04 - 2022/03 城西大学 理学部 数学科 非常勤講師 非常勤講師
- 2020/09 - 2021/03 東京都市大学 メディア情報学部 非常勤講師
- 2017/04 - 2019/03 Waseda University JSPS Research Fellowship for Young Scientists DC2
Awards (1)：
- 2018/03 - Waseda University Azusa On Memorial Awards Growth Rates of 3-dimensional hyperbolic Coxeter groups are Perron numbers
Association Membership(s) (1)：
THE MATHEMATICAL SOCIETY OF JAPAN
