Ax Shuhe Li, Chenxu Guo, Jiachen Lian, Cheol Jun Cho, Wenshuo Zhao, Xiner Xu, Ruiyu Jin, Xiaoyu Shi, Xuanru Zhou, Dingkun Zhou, Sam Wang, Grace Wang, Jingze Yang, Jingyi Xu, Ruohan Bao, Xingrui Chen, Elise Brenner, Brandon In, Francesca Pei, Maria Luisa Gorno-Tempini, Gopala Anumanchipalli 2/25/2026

K-Function: Joint Pronunciation Transcription and Feedback for Evaluating Kids Language Function

LLM-based framework for evaluating children's language function through phonetic transcription and automated speech assessment.

Ax Jubayer Ibn Hamid, Ifdita Hasan Orney, Ellen Xu, Chelsea Finn, Dorsa Sadigh 2/25/2026

Polychromic Objectives for Reinforcement Learning

Reinforcement learning fine-tuning approach using polychromic objectives to prevent policy collapse and maintain behavioral diversity.

Ax Jianing Guo, Zhenhong Wu, Chang Tu, Yiyao Ma, Xiangqi Kong, Zhiqian Liu, Jiaming Ji, Shuning Zhang, Yuanpei Chen, Kai Chen, Qi Dou, Yaodong Yang, Xianglong Liu, Huijie Zhao, Weifeng Lv, Simin Li 2/25/2026

On Robustness of Vision-Language-Action Model against Multi-Modal Perturbations

Evaluation of Vision-Language-Action model robustness against multi-modal perturbations across 17 adversarial conditions.

Ax Dario Shariatian, Alain Durmus, Umut Simsekli, Stefano Peluchetti 2/25/2026

Latent-Augmented Discrete Diffusion Models

Latent-Augmented Discrete Diffusion model improving fast language generation by modeling cross-token dependencies.