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
- Contributed talk at 2025 KMS Spring Meeting, KAIST, April 2025 | slides | conference link
- Seminar talk at SKKU, April 2025 | slides | video
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)
- Workshop: Workshop on Mathematical Finance at Jeju (May 31 – Jun 3, 2024)
- School: 15th KIAS CAC Summer School on Artificial Intelligence & Parallel Computing (Jun 24–28, 2024)
- Conference: 15th KSIAM Spring Conference, Alpensia, PyeongChang (May 19–21, 2023)
Computer Skills
- Programming Languages: Python, R, C, C++
- Mathematical Software: MATLAB, Mathematica