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cs.NE2026
Mixed-Categorical Black-Box Optimization via Information-Geometric Bilevel Decomposition
Marc Ong, Shinichi Shirakawa, Youhei Akimoto
Mixed categorical-continuous optimization arises in many practical domains, yet remains challenging. In the black-box setting, evolution strategy-based approaches have shown promis…
cs.NE2026★ 1 cited
Accelerating Black-Box Bilevel Optimization with Rank-Based Upper-Level Value Function Approximation
Marc Ong, Youhei Akimoto
Bilevel optimization is a field of significant theoretical and practical interest, yet solving such optimization problems remains challenging. Evolutionary methods have been employ…