Department of Mathematics · Hanyang University
Intro
I am a mathematician working in graph theory and combinatorics.
Current Position and Address
Associate Professor, Department of Mathematics, Hanyang University (한양대학교)
Joint appointment with the Department of Computer Science.
222, Wangsimni-ro, Seongdong-gu, Seoul 04763, Korea
Visiting Research Fellow, Discrete Mathematics Group, Institute for Basic Science.
Email: ojoungkwon (at) hanyang.ac.kr · ojoungkwon (at) gmail.com
CV: Download PDF (the current site lists it as updated Aug. 2025)
Research Interests
Graph theory, combinatorial optimization, structural graph theory, and parameterized complexity.
Tree-width · Rank-width · Mim-width · Vertex-minors · Minors · Erdős–Pósa · Graph coloring · χ-boundedness · Dense graph classes · Induced subdivisions · Polynomial kernelization · Holes · Intersection graphs
Grants
- “Packing-covering duality on group-labelled graphs,” National Research Foundation of Korea, Excellent Young Researchers Program (2023–2028).
- “Algebraic and structural problems of graphs on surfaces,” National Research Foundation of Korea, Korea–China Joint Research Project (2021–2024).
- “Tight polynomial kernelizations for various graph modification problems,” National Research Foundation of Korea, Basic Research Program (2018–2022).
Activity
- Program committees: SODA 2025, WG 2024, STACS 2023, WG 2021, ISAAC 2020, and IPEC 2019.
- Editor: Communications of the Korean Mathematical Society; The Korean Journal of Mathematics; Journal of the Korean Society of Mathematical Education Series B.
- Organizer and co-organizer of workshops and seminars in structural graph theory and discrete mathematics.
Previous Positions
- Assistant Professor, Department of Mathematics, Hanyang University (Mar. 2022–Feb. 2024)
- Assistant Professor, Department of Mathematics, Incheon National University (Mar. 2018–Feb. 2022)
- Postdoctoral Researcher, Technische Universität Berlin (Jul. 2016–Feb. 2018)
- Researcher, Institute for Computer Science and Control (MTA SZTAKI), Budapest (Jul. 2015–Jun. 2016)
Education
- Ph.D. in Mathematical Sciences, KAIST (2012–2015)
- M.S. in Mathematical Sciences, KAIST (2010–2012)
- B.S. in Mathematics, Hanyang University (2003–2010)