Tianxiao Cao 曹天笑

I am a graduate student in informatics at the Graduate School of Informatics, Kyoto University. I study and do research in machine learning, especially tensor methods and model compression, in Kashima Lab. Previously, I worked in RIKEN AIP, Tensor Learning Team as a part-time worker.

Publications

1. Shared Low-rank Basis Factorization for Data-free Mixture-of-Experts Compression
   Tianxiao Cao, Jiahe Shao, Yuning Qiu, Kyohei Atarashi, Hisashi Kashima, Qibin Zhao
   EMNLP 2026 Findings
   [paper] [arXiv] [code]
2. Unpacking the Implicit Norm Dynamics of Sharpness-Aware Minimization in Tensorized Models
   Tianxiao Cao, Kyohei Atarashi, Hisashi Kashima
   AAAI 2026
   [paper] [arXiv] [code]
3. Learning Low-Rank Tensor Cores with Probabilistic ℓ0-Regularized Rank Selection for Model Compression
   Tianxiao Cao, Lu Sun, Canh Hao Nguyen, Hiroshi Mamitsuka
   IJCAI 2024
   [paper] [code]

Experience

• 2025/10 – 2026/03 Research Part-time Worker, RIKEN AIP
• 2024/10 – Present Research Assistant, Kyoto University

Education

• 2026/10 – Present Ph.D. in Informatics, Kyoto University
• 2024/10 – 2026/09 M.S. in Informatics, Kyoto University
• 2020/09 – 2024/06 B.E. in Comp. Sci., ShanghaiTech University

Service

• Reviewer WSDM 2027