collaborators

6 papers

cs.CL2026

R2-Router: A New Paradigm for LLM Routing with Reasoning

Jiaqi Xue, Qian Lou, Jiarong Xing +1

As LLMs proliferate with diverse capabilities and costs, LLM routing has emerged by learning to predict each LLM's quality and cost for a given query, then selecting the one with h…

cs.CL2026

Learning from Self-Debate: Preparing Reasoning Models for Multi-Agent Debate

Chenxi Liu, Yanshuo Chen, Ruibo Chen +3

The reasoning abilities of large language models (LLMs) have been substantially improved by reinforcement learning with verifiable rewards (RLVR). At test time, collaborative reaso…

cs.CV2026

PhyCritic: Multimodal Critic Models for Physical AI

Tianyi Xiong, Shihao Wang, Guilin Liu +5

With the rapid development of large multimodal models, reliable judge and critic models have become essential for open-ended evaluation and preference alignment, providing pairwise…

cs.AI2026

Are We Evaluating the Edit Locality of LLM Model Editing Properly?

Wei Liu, Haomei Xu, Hongkai Liu +5

Model editing has recently emerged as a popular paradigm for efficiently updating knowledge in LLMs. A central desideratum of updating knowledge is to balance editing efficacy, i.e…

cs.CL2025

Explore Data Left Behind in Reinforcement Learning for Reasoning Language Models

Chenxi Liu, Junjie Liang, Yuqi Jia +4

Reinforcement Learning with Verifiable Rewards (RLVR) has emerged as an effective approach for improving the reasoning abilities of large language models (LLMs). The Group Relative…

cs.RO2025

GenFlowRL: Shaping Rewards with Generative Object-Centric Flow in Visual Reinforcement Learning

Kelin Yu, Sheng Zhang, Harshit Soora +4

Recent advances have shown that video generation models can enhance robot learning by deriving effective robot actions through inverse dynamics. However, these methods heavily depe…