| 2026 | GECCO | Convergence Analysis of Evolution Strategies for Mixed-Integer Optimization. | Ryoki Hamano, Kento Uchida, Shinichi Shirakawa |
| 2026 | GECCO | Diversified Residual Symbolic Regression. | Koki Ikeda, Masahiro Nomura, Ryoki Hamano |
| 2026 | GECCO | Adaptive Stochastic Natural Gradient Method for Safe Optimization on Binary Space. | Kento Uchida, Ryoki Hamano, Masahiro Nomura, Shinichi Shirakawa |
| 2026 | PPSN | On the Generalization Bounds of Symbolic Regression with Genetic Programming. | Masahiro Nomura, Ryoki Hamano, Isao Ono |
| 2025 | GECCO | CatCMA with Margin: Stochastic Optimization for Continuous, Integer, and Categorical Variables. | Ryoki Hamano, Masahiro Nomura, Shota Saito, Kento Uchida, Shinichi Shirakawa |
| 2025 | GECCO | Search Space Selection Using Constrained Mixed-Integer Optimization Method. | Kento Uchida, Yohei Watanabe, Ryoki Hamano, Shinichi Shirakawa |
| 2024 | GECCO | CatCMA : Stochastic Optimization for Mixed-Category Problems. | Ryoki Hamano, Shota Saito, Masahiro Nomura, Kento Uchida, Shinichi Shirakawa |
| 2024 | GECCO | CMA-ES for Safe Optimization. | Kento Uchida, Ryoki Hamano, Masahiro Nomura, Shota Saito, Shinichi Shirakawa |
| 2024 | PPSN | Natural Gradient Interpretation of Rank-One Update in CMA-ES. | Ryoki Hamano, Shinichi Shirakawa, Masahiro Nomura |
| 2024 | PPSN | CMA-ES for Discrete and Mixed-Variable Optimization on Sets of Points. | Kento Uchida, Ryoki Hamano, Masahiro Nomura, Shota Saito, Shinichi Shirakawa |
| 2023 | GECCO | (1+1)-CMA-ES with Margin for Discrete and Mixed-Integer Problems. | Yohei Watanabe, Kento Uchida, Ryoki Hamano, Shota Saito, Masahiro Nomura, Shinichi Shirakawa |
| 2022 | GECCO | Reduction of genetic drift in population-based incremental learning via entropy regularization. | Ryoki Hamano, Shinichi Shirakawa |
| 2022 | GECCO | CMA-ES with margin: lower-bounding marginal probability for mixed-integer black-box optimization. | Ryoki Hamano, Shota Saito, Masahiro Nomura, Shinichi Shirakawa |
| 2022 | GECCO | Benchmarking CMA-ES with margin on the bbob-mixint testbed. | Ryoki Hamano, Shota Saito, Masahiro Nomura, Shinichi Shirakawa |