Hyeon, Seung-HyeonHanja: 玄承賢, Hangul: 현승현

Date of birth: November 19, 1999
Nationality: Republic of Korea
Email: 0stellensatz@gmail.com
Homepage: nullstellensatz.org
ORCID: 0009-0006-9079-7077
zbMATH: hyeon.seung-hyeon
Research interests: algebraic number theory, anabelian geometry, …

Education

April 2025 —, Doctoral Degree Program, Department of Mathematics, School of Science, Institute of Science Tokyo (formerly Tokyo Institute of Technology). (Supervisor: Yuichiro Taguchi)

April 2023 — March 2025, M. Sc. in Mathematics, Department of Mathematics, School of Science, Institute of Science Tokyo (formerly Tokyo Institute of Technology). (Supervisor: Yuichiro Taguchi)

April 2019 — March 2023, B. Sc. in Mathematics, Department of Mathematics, School of Science, Tokyo Institute of Technology, valedictorian. (Supervisor: Yuichiro Taguchi)

Employment

April 2027 —, JSPS Research Fellow, Department of Mathematics, Institute of Science Tokyo. (Category: DC2, Supervisor: Yuichiro Taguchi)

April 2026 —, JST FOREST Research Assistant, Department of Mathematical and Computing Science, School of Computing, Institute of Science Tokyo. (Supervisor: Shunsuke Tsuchioka)

Papers

  1. Seung-Hyeon Hyeon, “The m-step solvable anabelian geometry of mixed-characteristic local fields”, Journal of the London Mathematical Society, 112.6 (2025), e70402. (DOI: 10.1112/jlms.70402, Zbl: 08140815, arXiv: 2405.16950)

Talks

2025

  1. KANTs — KAIST Number Theory seminar, 2025 Autumn Semester, Two seminar talks on anabelian geometry, “The m-step solvable anabelian geometry of mixed-characteristic local fields”. (Invited talk, Korea Advanced Institute of Science and Technology (KAIST), November 25, 2025)
  2. Anabelian Geometry in Yokohama 2025, “The m-step solvable anabelian geometry of mixed-characteristic local fields”. (Invited talk, Kanagawa University, September 2, 2025)
  3. The 24th Hiroshima-Sendai Workshop on Number Theory, “The m-step solvable anabelian geometry of mixed-characteristic local fields”. (Tohoku University, July 11, 2025)
  4. Kyushu Algebraic Number Theory 2025, “The m-step solvable anabelian geometry of mixed-characteristic local fields”. (Kyushu University, March 5, 2025)
  5. Algebraic Number Theory and Related Topics 2024, “The m-step solvable anabelian geometry of mixed-characteristic local fields”. (Research Institute for Mathematical Sciences (RIMS), Kyoto University, January 7, 2025. See also: RIMS Kôkyûroku No.2332)

2024

  1. Ôokayama Youth Seminar in Algebra (Ôokayama Daisûkei Wakate Seminar), “The m-step solvable anabelian geometry of mixed-characteristic local fields”. (Institute of Science Tokyo, November 29, 2024)

Honors

March 2023, Tokyo Institute of Technology, Excellent Student Award for Outstanding Academic Achievement.

External Fundings / Grants

April 2027 —, Grant-in-Aid for JSPS Fellows, TBA. (Project number: TBA)

April 2024 — March 2026, Hasegawa International Scholarship Foundation.

April 2024 — December 2024, Japan-Korea Joint Scholarship Program for Science and Engineering Students, Postgraduate.

March 2018 — March 2023, Japan-Korea Joint Scholarship Program for Science and Engineering Students, Undergraduate.

Research Visits

2025

  1. Visiting researcher, Department of Mathematical Sciences, Korea Advanced Institute of Science and Technology (KAIST). (Host: Wansu Kim, Duration: November 25, 2025 — November 28, 2025)

Professional Service

N/A.

Memberships

Research fellow (core member) of the Arithmetic and Homotopic Galois Theory project, an International Research Network between CNRS, RIMS, Lille and ENS PSL.

Member of Korean Scientists and Engineers Association in Japan (KSEAJ).