Ryotaro Kawata

According to our database, Ryotaro Kawata authored at least 6 papers between 2025 and 2026.

Collaborative distances:

• Dijkstra number of four.
• 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

Transformers as Measure-Theoretic Associative Memory: A Statistical Perspective and Minimax Optimality.

Ryotaro Kawata, Taiji Suzuki

CoRR, February, 2026

2025

From Shortcut to Induction Head: How Data Diversity Shapes Algorithm Selection in Transformers.

Ryotaro Kawata, Yujin Song, Alberto Bietti, Naoki Nishikawa, Taiji Suzuki, Samuel Vaiter, Denny Wu

CoRR, December, 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

Mixture of Experts Provably Detect and Learn the Latent Cluster Structure in Gradient-Based Learning.

Ryotaro Kawata, Kohsei Matsutani, Yuri Kinoshita, Naoki Nishikawa, Taiji Suzuki

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

Direct Distributional Optimization for Provable Alignment of Diffusion Models.

Ryotaro Kawata, Kazusato Oko, Atsushi Nitanda, Taiji Suzuki

Proceedings of the Thirteenth International Conference on Learning Representations, 2025