Papers
1. Convexification of multi-period quadratic programs with indicators [link]
Jisun Lee, Andrés Gómez, and Alper Atamtürk, Mathematical Programming, 2026.
2. Forbidden vertices for graphs of treewidth 3
Jisun Lee, Santanu S. Dey, and Oktay Günlük. (working paper)
3. Multi-period quadratic programs with multiple switches
Jisun Lee, Andrés Gómez, and Alper Atamtürk. (working paper)
4. Finding diverse sets of ε-suboptimal solutions for mixed-integer programs
Jisun Lee, Ignacio Aravena Solís, Alper Atamtürk, and Jean-Paul Watson. (working paper)
5. Strong formulations for hybrid affine system control [link]
Jisun Lee, Hyungki Im, and Alper Atamtürk. (under review)
6. A fully polynomial time approximation scheme for the probability maximizing shortest path problem [link]
Jisun Lee, Seulgi Joung, and Kyungsik Lee. European Journal of Operational Research, 2022.
Presentations
1. Toward the forbidden vertices with treewidth 3.
- 2026 INFORMS Optimization Society Conference, Atlanta, USA.
2. Multi-period quadratic programs with indicators.
- 2025 INFORMS Annual Meeting}, Atlanta, USA.
3. Convexification of multi-period mixed-integer quadratic optimization.
- 2024 INFORMS Annual Meeting, Seattle, USA. [slides]
4. Convexification of multi-period quadratic programs with indicators.
- 2024 KAIST ISE Winter Symposium, Daejeon, South Korea. [slides]
5. Strong formulation of hybrid control problem with tridiagonal inverse matrix.
- 2024 Mixed Integer Programming Workshop, Kentucky, USA. [poster]
6. A fully polynomial time approximation scheme for the probability maximizing shortest path problem.
- 2019 European Conference on Operational Research, Dublin, Ireland. [slides]
- 2019 Spring & Fall Conference of Korean Institute of Industrial Engineers, Seoul, South Korea.