Rei Higuchi

According to our database, Rei Higuchi authored at least 9 papers between 2006 and 2026.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2026

How Neural Reward Models Learn Features for Policy Optimization: A Single-Index Analysis.

Rei Higuchi, Ryotaro Kawata, Akifumi Wachi, Shokichi Takakura, Kohei Miyaguchi, Taiji Suzuki

CoRR, May, 2026

Inference-Aware Meta-Alignment of LLMs via Non-Linear GRPO.

Shokichi Takakura, Akifumi Wachi, Rei Higuchi, Kohei Miyaguchi, Taiji Suzuki

CoRR, February, 2026

A Relative-Budget Theory for Reinforcement Learning with Verifiable Rewards in Large Language Model Reasoning.

Akifumi Wachi, Hirota Kinoshita, Shokichi Takakura, Rei Higuchi, Taiji Suzuki

CoRR, February, 2026

2025

When Does Metadata Conditioning (NOT) Work for Language Model Pre-Training? A Study with Context-Free Grammars.

Rei Higuchi, Ryotaro Kawata, Naoki Nishikawa, Kazusato Oko, Shoichiro Yamaguchi, Sosuke Kobayashi, Seiya Tokui, Kohei Hayashi, Daisuke Okanohara, Taiji Suzuki

CoRR, April, 2025

Degrees of Freedom for Linear Attention: Distilling Softmax Attention with Optimal Feature Efficiency.

Naoki Nishikawa, Rei Higuchi, Taiji Suzuki

Proceedings of the Advances in Neural Information Processing Systems 38: Annual Conference on Neural Information Processing Systems 2025, 2025

A SAT-based Method for Counting All Singleton Attractors in Boolean Networks.

Rei Higuchi, Takehide Soh, Daniel Le Berre, Morgan Magnin, Mutsunori Banbara, Naoyuki Tamura

Proceedings of the Thirty-Fourth International Joint Conference on Artificial Intelligence, 2025

Direct Density Ratio Optimization: A Statistically Consistent Approach to Aligning Large Language Models.

Rei Higuchi, Taiji Suzuki

Proceedings of the Forty-second International Conference on Machine Learning, 2025

Improving Convergence Guarantees of Random Subspace Second-order Algorithm for Nonconvex Optimization.

Rei Higuchi, Pierre-Louis Poirion, Akiko Takeda

Proceedings of the Thirteenth International Conference on Learning Representations, 2025

2006

Thermal Analysis of Joule Heat Generated on Metal Thin Film by Microwave Irradiation.

Rei Higuchi, Hideaki Takashima, Hatsuhiro Kato, Yoshinori Kanno

Proceedings of the IEEE International Conference on Systems, 2006