Keunyoung Jeong, 정근영

Keunyoung Jeong

E-mail: kyjeongg (at) gmail (dot) com, or keunyoung (at) jnu (dot) ac (dot) kr.

I am a co-organizer of the Number Theory Seminar at Chonnam National University and co-investigator of LFANT, supported by the National Research Foundation (Basic Research Lab, RS-2024-00415601).

Upcoming events

Lecture series on certain Trace Formulae
Arithmetic and Analytic Properties of Automorphic Forms, in honor of Professor Henry Kim
A special session "Number Theory with Analytic Flavor" of the International Conference for the 80th Anniversary of the Korean Mathematical Society
AI and Mathematics
International Conference on Analytic Number Theory in Incheon 2026

Gwangju Family Land, Oct. 2023

Education and Employment

Associate professor, Mathematics Education, Chonnam National University, March 2026-present.
- Chair (March 2026-present)
Assistant professor, Mathematics Education, Chonnam National University, March 2022-February 2026.
BRL postdoctorial researcher, Ulsan National Institute of Science and Technology, September 2020-February 2022.
Research Fellow (URS), Ulsan National Institute of Science and Technology, August 2018-August 2020.
Research Associate, Seoul National University, March 2018-July 2018.
Ph.D., Seoul National University, March 2012-February 2018. (Advisor : Dongho Byeon)
BS, Seoul National University, March 2008-February 2012.

Research

Goldfeld conjecture for non-hyperelliptic direction (with Junyeong Park), 33 pp., submitted. (arxiv)
A study on undergraduate students' understanding of the concept of matrix rank (with Yunjeong Oh, in Korean)
- Communications of Mathematical Education, 39(3), pp.475-493.
Decomposition of the Jacobian of some twists of a genus 2 curve (with Yeong-Wook Kwon and Junyeong Park).
- Bull. Aust. Math. Soc. 111 (2025), no. 3. pp.445-459
The average analytic ranks of elliptic curves with prescribed level structure (with Peter J. Cho and Junyeong Park), 72 pp., submitted. (arxiv)
Nonvanishing of L-function of some Hecke characters on cyclotomic fields (with Yeong-Wook Kwon and Junyeong Park). (arxiv, Weilindex11)
- J. Number Theory 265 (2024), pp. 48-75.
On the Jacobian of a family of hyperelliptic curves (with Junyeong Park and Donggeon Yhee). (arxiv)
- Osaka J. Math. 60 (1) (2023), pp. 43-60.
The average analytic rank of elliptic curves with prescribed torsion, (with Peter J. Cho). (arxiv, Corrigendum)
- J. Lond. Math. Soc. (2) 107 (2023), pp.616-657.
Distribution of root numbers of Hecke characters attached to some elliptic curves (with Jigu Kim and Taekyung Kim). (arxiv)
- Forum Math. 33 (2021), no. 3, pp. 653-668.
Counting the number of twists of certain polarized abelian varieties (with WonTae Hwang). (arxiv, errata)
- Finite Fields Appl. 83 (2022), Paper No. 102091, 18 pp.
Restriction of scalars and cubic twists of elliptic curves (with Dongho Byeon and Nayoung Kim).
- J. Korean Math. Soc. Vol. 58 (2021), no. 1, pp. 123-132.
On the distribution of analytic ranks of elliptic curves (with Peter J. Cho). (arxiv)
- Math. Z. 305, 42 (2023).
Infinitely many elliptic curves of rank exactly two II. (arxiv)
- Proc. Japan Acad. Ser. A Math. Sci. 95 (2019), no. 6, pp. 53-57.
Sums of two rational cubes with many prime factors (with Dongho Byeon). (An arxiv article is absorbed in this paper.)
- J. Number Theory 179 (2017), pp. 240-255.
Infinitely many elliptic curves of rank exactly two (with Dongho Byeon).
- Proc. Japan Acad. Ser. A Math. Sci. 92 (2016), no. 5, pp. 64-66.

Grants and Awards

Basic Research Lab(글로벌 기초연구실), co-I, RS-2024-00415601, August 2024-April 2027, National Research Foundation of Korea.
Research Grant(우수신진연구), PI, RS-2024-00341372, April 2024-March 2029, National Research Foundation of Korea.
Research Grant(신진연구, 연구기획지원사업), 2022-2642, 2022-4099, 2023-0538, March 2022-February 2024, Chonnam National University.
Research Grant(우수신진연구), PI, 2019R1C1C1004264, March 2019-August 2022, National Research Foundation of Korea.
Outstanding Teaching Assistant Award, 2014, Seoul National University.
Global Ph.D. Fellowship, NRF-2012H1A2A1012642, March 2012-February 2013, National Research Foundation of Korea.

Activity

A special session of The 2025 International Conference of the Honam Mathematical Society, June 19-21, 2025
Annual Number Theory Workshop 2025, Feb. 6-7, 2025
KIAS-LFANT winter school on number theory, Jan. 7-10, 2025
Automorphic forms and q-series, Special Session of 2024 KMS Annual Meeting, Oct. 25, 2024

Links

KANTs

KIAS Number Theory Seminar

Number Theory Seminar at Chonnam National University

Postech-PMI Number Theory Seminar

SNU Number Theory Group

UNIST Number Theory Group