Hyelin Choi

Hello! Welcome to my homepage. I am a second-year mathematics master’s student at the Sungkyunkwan University(SKKU) advised by Woocheol Choi. Here is my CV.

My research interests are Optimization and its applications to Operations Research and Finance.

Education

Master’s course in Mathematics, Sungkyunkwan University, September 2023 - Present Advisor: Prof. Woocheol Choi

B.S. Magna Cum Laude in Mathematics, Sungkyunkwan University, March 2020 - August 2023 (Early Graduation) Advisor: Prof. Woocheol Choi

Papers

Preprints

[2025]

  • (with Woocheol Choi) A linear convergence result for the jacobi-proximal alternating direction method of multipliers, arXiv:2503.18601

Awards & Honors

  • 3rd Place, Project Award, Korea Institute for Advanced Study (KIAS), June 2024 link | slides | image

  • Student Success – Combined Bachelor’s and Master’s Scholarship, SKKU, Spring 2023

  • Academic Scholarship, SKKU, Spring 2023

  • Academic Scholarship, SKKU, Fall 2022

  • Academic Scholarship, SKKU, Fall 2021

  • National Scholarship, SKKU, Spring 2020

Teaching Experiences

Teaching Assistant

  • Calculus 1 (in English), Mar – Jun 2025
  • Probability (in English), Sep – Dec 2024
  • Calculus 1, Mar – Jun 2024
  • Calculus 2, Sep – Dec 2023

Tutoring

  • Graph Neural Networks — weekly tutoring sessions for SKKU undergraduates and graduate students (Feb 2024)
    Tutoring Materials
  • Linear Algebra — weekly sessions for SKKU undergraduates (Mar – May 2023)

Conferences & Workshops (Attended)

Computer Skills

  • Programming Languages: Python, R, C, C++
  • Mathematical Software: MATLAB, Mathematica