Level generation for angry birds with sequential VAE and latent variable evolution. - Takumi Tanabe; Kazuto Fukuchi; Jun Sakuma; Youhei Akimoto (GECCO, 2021)

Max-Min Off-Policy Actor-Critic Method Focusing on Worst-Case Robustness to Model Misspecification. - Takumi Tanabe; Rei Sato; Kazuto Fukuchi; Jun Sakuma; Youhei Akimoto (NeurIPS, 2022)

Stepwise Alignment for Constrained Language Model Policy Optimization. - Akifumi Wachi; Thien Q. Tran; Rei Sato; Takumi Tanabe; Youhei Akimoto (NeurIPS, 2024)

Stepwise Alignment for Constrained Language Model Policy Optimization. - Akifumi Wachi; Thien Q. Tran; Rei Sato; Takumi Tanabe; Yohei Akimoto (CoRR, 2024)

Vulnerability Mitigation for Safety-Aligned Language Models via Debiasing. - Thien Q. Tran; Akifumi Wachi; Rei Sato; Takumi Tanabe; Youhei Akimoto (CoRR, 2025)

A Provable Approach for End-to-End Safe Reinforcement Learning. - Akifumi Wachi; Kohei Miyaguchi; Takumi Tanabe; Rei Sato; Youhei Akimoto (CoRR, 2025)