AdvantageNAS: Efficient Neural Architecture Search with Credit Assignment. - Rei Sato; Jun Sakuma; Youhei Akimoto (AAAI, 2021)

Few-Shot Image-to-Semantics Translation for Policy Transfer in Reinforcement Learning. - Rei Sato; Kazuto Fukuchi; Jun Sakuma; Youhei Akimoto (IJCNN, 2022)

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)

Explicitly Constrained Black-Box Optimization With Disconnected Feasible Domains Using Deep Generative Models. - Naoki Sakamoto; Rei Sato; Kazuto Fukuchi; Jun Sakuma; Youhei Akimoto (IEEE Access, 2022)

Embedding All Feasible Solutions of Traveling Salesman Problem by Divide-and-Conquer Quantum Search. - Rei Sato; Kazuhiro Saito; Tetsuro Nikuni; Shohei Watabe (QCE, 2023)

ATNAS: Automatic Termination for Neural Architecture Search. - Kotaro Sakamoto; Hideaki Ishibashi; Rei Sato; Shinichi Shirakawa; Youhei Akimoto; Hideitsu Hino (Neural Networks, 2023)

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

QWalkVec: Node Embedding by Quantum Walk. - Rei Sato; Shuichiro Haruta; Kazuhiro Saito; Mori Kurokawa (PAKDD (1), 2024)

Hybrid Quantum Search Algorithm for Solving the Multi-Dimensional Knapsack Problem. - Gordon Cui; Rei Sato; Kazuhiro Saito; Rodney Van Meter; Hideyuki Kawashima (QCE, 2024)

Circuit Implementation of Discrete-Time Quantum Walks on Complex Networks. - Rei Sato; Kazuhiro Saito (QCE, 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)