I’m currently a postdoctoral researcher at Chonnam National University.

Here is my CV.

Office: Room 302, Building D14 (College of Natural Sciences Building 1), 77 Yongbong-ro, buk-gu, Gwangju, South Korea

Email:

Research Interests

Number Theory

I’m studying the algebraic structures of the multiple zeta values (MZVs) in positive characteristics. I’m also working on the nature of certain period polynomials, with a focus on their unimodularity properties.

Education

  • Ph.D. in Mathematical Sciences, KAIST, 2025 (Advised by Bo-Hae Im)
    • Leave of absence for alternative civilian service in AI research, TmaxData & TmaxAI, Sep. 2018 - Aug. 2020
  • M.S. in Mathematical Sciences, KAIST, 2016
  • B.S. in Mathematical Sciences, KAIST, 2014

Employment

Publications

Preprints

  • The threshold for linear independence of multiple zeta values in positive characteristic (with Bo-Hae Im, Tuan Ngo Dac), submitted, 2026. [preprint]
  • Zagier-Hoffman’s conjectures in positive characteristic II (with Bo-Hae Im, Khac Nhuan Le, Tuan Ngo Dac, Lan Huong Pham), submitted, 2024. [preprint]
  • Hopf algebras and alternating multiple zeta values in positive characteristic (with Bo-Hae Im, Khac Nhuan Le, Tuan Ngo Dac, Lan Huong Pham), submitted, 2023. [preprint]
  • Hopf algebras and multiple zeta values in positive characteristic (with Bo-Hae Im, Khac Nhuan Le, Tuan Ngo Dac, Lan Huong Pham), submitted, 2023. [preprint]

Accepted and Published Papers

  • Zagier-Hoffman’s conjectures in positive characteristic (with Bo-Hae Im, Khac Nhuan Le, Tuan Ngo Dac, Lan Huong Pham), Forum Math. Pi, 12 (2024), Paper No. e18. [journal link]
  • On the common zeros of quasi-modular forms for $\Gamma_0^+(N)$ of level $N=1,2,3$ (with Bo-Hae Im, Wonwoong Lee), Open Math. 22 (2024), no. 1, Paper No. 20240065. [journal link]
  • Note on the linear independence of alternating multiple zeta values in positive characteristic (with Bo-Hae Im, Khac Nhuan Le, Tuan Ngo Dac, Lan Huong Pham), Acta Math Vietnam 49, 485–521 (2024). [journal link]
  • Riemann hypothesis for period polynomials attached to the derivatives of $L$-functions of cusp forms for $\Gamma_0(N)$ (with Bo-Hae Im), J. Math. Anal. Appl. 509 (2022), no. 2, Paper No. 125971. [journal link]

Paper-coworker graph

You can see the bipartite paper-coworker graph below.

Talks

Other Invited Talks

  • “On the Disproof of the Unit Distance Conjecture”, GIST seminar, given at the invitation of Prof. Minki Kim. (June 19, 2026. Gwangju, Korea)
    • This was an expository talk on the recent result in discrete geometry produced by an OpenAI LLM, in which the algebraic number theory of number fields plays the central role; the talk was based on arXiv:2605.20695.

Teaching experience

I have experience as a teaching assistant in the following courses at KAIST:

  • Calculus 1 (2015F, 2021S, 2022S, 2023S)
  • Calculus 2 (2014S, 2016F, 2017F, 2020F, 2021F, 2022F)
  • Differential Equations and Applications (2016S, 2017S)
  • Logic and Set Theory (2014F, 2016F)
  • Introduction to Linear Algebra (2021S)
  • Linear Algebra (2017S, 2017F, 2020F, 2021F, 2022F)
  • Introduction to Number Theory (2015S, 2016S, 2022S, 2023S)

I received the Teaching Assistant Excellence Awards in 2021 Spring, 2022 Spring, and 2023 Spring.

Languages

I speak

  • Korean (native),
  • English (fluent), and
  • French and Spanish (basic).

I can code in

  • Python,
  • Java,
  • Mathematica,
  • SageMath, and
  • LaTeX.

(for personal reference)

Research tools and Readings