activity
20242026
collaborators

10 papers

cs.CL2026

Critique-GRPO: Advancing LLM Reasoning with Natural Language and Numerical Feedback

Xiaoying Zhang, Yipeng Zhang, Hao Sun +4

Recent advances in reinforcement learning (RL) using numerical rewards have significantly enhanced the complex reasoning capabilities of large language models (LLMs). However, we i…

cs.LG2026

Training Large Reasoning Models Efficiently via Progressive Thought Encoding

Zeliang Zhang, Xiaodong Liu, Hao Cheng +3

Large reasoning models (LRMs) excel on complex problems but face a critical barrier to efficiency: reinforcement learning (RL) training requires long rollouts for outcome-based rew…

cs.AI2026

Improving Interactive In-Context Learning from Natural Language Feedback

Martin Klissarov, Jonathan Cook, Diego Antognini +5

Adapting one's thought process based on corrective feedback is an essential ability in human learning, particularly in collaborative settings. In contrast, the current large langua…

cs.LG2025

Why mask diffusion does not work

Haocheng Sun, Cynthia Xin Wen, Edward Hong Wang

The main advantages of diffusion language models over autoregressive (AR) models lie in their ability to support parallel generation and bidirectional attention, enabling a more co…

cs.CV2025

ViSS-R1: Self-Supervised Reinforcement Video Reasoning

Bo Fang, Yuxin Song, Qiangqiang Wu +3

Complex video reasoning remains a significant challenge for Multimodal Large Language Models (MLLMs), as current R1-based methodologies often prioritize text-centric reasoning deri…

cs.LG2025

Inverse Reinforcement Learning Meets Large Language Model Post-Training: Basics, Advances, and Opportunities

Hao Sun, Mihaela van der Schaar

In the era of Large Language Models (LLMs), alignment has emerged as a fundamental yet challenging problem in the pursuit of more reliable, controllable, and capable machine intell…