I am a second-year M.S.–Ph.D. integrated student in Artificial Intelligence at Korea University, advised by Prof. Sejun Park.

My research studies how finite numerical precision and finite randomness affect the theoretical behavior of machine learning algorithms. I am particularly interested in generalization, expressivity, and differential privacy.

Education

Korea University

Sep. 2025 – Present

M.S.–Ph.D. Integrated Program in Artificial Intelligence

Korea University

Mar. 2019 – Aug. 2025

B.S. in Mathematics Education & Statistics (Double Major)

Gyeongnam Science High School

Mar. 2017 – Dec. 2019

News

Publications

  1. Uniform Stability and Generalization Error of GD and SGD on Fixed-Point Parameters

    Jonghyun Shin, Sejun Park

  2. Minimum Width for Universal Approximation using Squashable Activation Functions

    Jonghyun Shin, Namjun Kim, Geonho Hwang, Sejun Park

Services

Reviewing
NeurIPS 2026
Teaching
Teaching Assistant, Korea University
  • Discrete Mathematics, Spring 2025
  • Calculus, Fall 2025 & Fall 2026
Practicum
Daeshin High School, Seoul (Apr. 2025)