The collaborative paper with Prof. Akimoto’s group has been accepted to the 19th International Conference on Parallel Problem Solving From Nature (PPSN 2026). This paper proposes a bilevel optimization framework for mixed categorical-continuous black-box optimization.
- Marc Ong, Shinichi Shirakawa, Youhei Akimoto, Mixed-Categorical Black-Box Optimization via Information-Geometric Bilevel Decomposition, 19th International Conference on Parallel Problem Solving From Nature (PPSN 2026),Trento, Italy, August 29 - September 2, 2026. (Accepted) [arXiv]