Naganori Yamaguchi
日本語: URL
Position: Tokyo Denki University, School of Engineering, Department of Mathematics and Data Science, Lecturer
Expertise: Arithmetic Geometry, Anabelian Geometry
Degree: Ph.D. in Science, Kyoto University, March 2023
Email: n.yamaguchi(at)mail.dendai.ac.jp / yamaguchi.n.ac(at)m.titech.ac.jp
researchmap: R000054174 / ORCID: 0000-0002-0347-2746 / ArXiv / My bookshelf
Yamaguchi Lean 4 Library: URL
Papers
- Refereed Journal Articles:
- The geometrically m-step solvable Grothendieck conjecture for affine hyperbolic curves over finitely generated fields
- The geometrically m-step solvable Grothendieck conjecture for genus 0 curves over finitely generated fields
- Refereed Proceedings:
- Preprints:
- Triviality of Étale Fundamental groups of arithmetic varieties (with Ryoji Shimizu)
- In preparation
- Anabelian geometry for Deligne-Mumford curves (with Benjamin Collas and Séverin Philip)
- arXiv: 2605.02577 (URL)
- Étale fundamental groups of smooth arithmetic surfaces and the Grothendieck conjecture (with Ryoji Shimizu)
- arXiv: 2511.06725 (URL)
- Symmetries of spaces and numbers -- anabelian geometry (with Benjamin Collas and Takahiro Murotani)
- arXiv: 2508.01588 (URL)
- The metabelian Grothendieck conjecture for genus zero curves over finitely generated fields
- arXiv: 2407.09906 (URL)
- Triviality of Étale Fundamental groups of arithmetic varieties (with Ryoji Shimizu)
Other PDFs
Talks
- 2025
- Nov 26KAIST Number Theory Seminar (URL), KAIST, The anabelian geometry of arithmetic surfaces (Joint work with R. Shimizu)
- Nov 22東京科学大学整数論研究集会 (Prof. Yuichiro Taguchi's 60th birthday), Institute of Science Tokyo, ノイキルヒ・内田の定理から見る遠アーベル幾何学
- Sep 3Anabelian Geometry in Yokohama 2025 (URL), Kanagawa University, The anabelian geometry of arithmetic surfaces (Joint work with R. Shimizu)
- Mar 31Spring seminar on Arithmetic Galois theory in Toyonaka 2025 (URL), Osaka University, Finite Step Solvable Aspects of Anabelian Geometry
- 2024
- Nov 23北大数論セミナー (URL), Hokkaido University, The Finite-Step Solvability of Anabelian Geometry
- Oct 25九州代数学セミナー (URL), Kyushu University, Anabelian geometry and m-step solvable reconstruction
- Mar 12Anabelian Geometry in Tokyo 2024 (URL), Tokyo Institute of Technology, The m-step solvable reconstruction for the Grothendieck conjecture in Anabelian Geometry
- Feb 15MathSci Freshman Seminar 2024 (URL), Nagoya University, Recent developments for m-step solvable Anabelian Geometry
- 2023
- Jul 1422nd Hiroshima-Sendai Workshop on Number Theory (URL), Hiroshima University, New developments in anabelian geometry by using m-step reconstruction
- Apr 17Arithmetic & Homotopic Galois Theory seminar of the International Research Network (URL), RIMS, Kyoto University (Invited Talk), Anabelian geometry and m-step reconstruction
- Mar 28Low Dimensional Topology and Number Theory XIV (URL), Kyushu University (Invited Talk), On the development of anabelian geometry using the maximal geometrically m-step solvable quotient of arithmetic fundamental groups
- Mar 8The 19th Mathematics Conference for Young Researchers (URL), Hokkaido University (Technical Report: URL), 遠アーベル幾何学におけるm階可解グロタンディーク予想について
- 2021
- Dec 7The Japan Europe Number Theory Exchange Seminar (URL), Online (Invited Talk), The m-step solvable anabelian geometry for hyperbolic curves over finitely generated fields
- 2020
- Dec 2Algebraic Number Theory and Related Topics 2020 (URL), RIMS, Kyoto University, 種数0の曲線における導来商版Grothendieck予想について
- Sep 919th Sendai-Hiroshima Number Theory Conference (URL), Tohoku University, The m-step solvable Grothendieck conjecture for genus 0 curves over finitely generated fields
- Aug 192nd Kyoto-Hefei Workshop on Arithmetic Geometry 2020 (URL), Online (Invited Talk), The m-step solvable Grothendieck conjecture for genus 0 curves over finitely generated fields
- Aug 11Kyushu Algebraic Number Theory 2020 (URL), Kyushu University, The m-step solvable Grothendieck conjecture for genus 0 curves over finitely generated fields
Career
- Apr. 2026 -Tokyo Denki University, School of Engineering, Department of Mathematics and Data Science, Lecturer (URL)
- Sep. 2024 - Mar. 2025Tokyo Denki University Part-time Lecturer "Calculus II (1EJ・EH・ES)"
- Sep. 2023 - Mar. 2024Tokyo Denki University Part-time Lecturer "Calculus II (1EJ・EH・ES)"
- Apr. 2023 - Mar. 2026Japan Society for the Promotion of Science Research Fellow PD (URL)
- Apr. 2021 - Mar. 2023Japan Society for the Promotion of Science Research Fellow DC2 (URL)
Education
- Apr. 2020 - Mar. 2023Kyoto University, Graduate School of Science, Division of Mathematics and Mathematical Sciences, Doctoral Program (Completed) [Doctoral thesis]
- Apr. 2018 - Mar. 2020Kyoto University, Graduate School of Science, Division of Mathematics and Mathematical Sciences, Master's Program (Completed)
- Apr. 2014 - Mar. 2018Tokyo Institute of Technology, Department of Mathematics, Bachelor's Program (Graduated)
Research funds
Organize
- Atelier de Géométrie Arithmétique - 数論幾何学のアトリエ:
- Sep. 26, 2025Summer 2025 "Étale homotopy theory and application" (URL), RIMS, Kyoto University and Paris
- Jul. 19, 2024Summer 2024 "Spaces and perfectoids towards a perfectoid Siegel modular space" (URL), RIMS, Kyoto University and Paris
- Feb. 24, 2024Winter 2024 "Around the Grothendieck-Teichmüller group" (URL), RIMS, Kyoto University and Paris
- Jun. 27, 2023Summer 2023 "Local-global principles and the patching method" (URL), RIMS, Kyoto University and Paris
- Anabelian Geometry Everywhere:
- Ookayama Youth Seminar in Algebra (URL), Institute of Science Tokyo
Affiliations, Memberships
Research Visits
- Nov. 25-28, 2025Visiting researcher, Department of Mathematical Sciences, Korea Advanced Institute of Science and Technology (KAIST) (Host: Prof. Wansu Kim)
- Sep. 16-29, 2024Participant, France-Japan international scientific exchange “Autumn in Paris 2024”, Paris, France (Host: Dr. Benjamin Collas; AHGT RIMS-CNRS IRN)