collaborators

11 papers

cs.LG2026

WS-GRPO: Weakly-Supervised Group-Relative Policy Optimization for Rollout-Efficient Reasoning

Gagan Mundada, Zihan Huang, Rohan Surana +8

Group Relative Policy Optimization (GRPO) is effective for training language models on complex reasoning. However, since the objective is defined relative to a group of sampled tra…

cs.AI2026

Precise Attribute Intensity Control in Large Language Models via Targeted Representation Editing

Rongzhi Zhang, Liqin Ye, Yuzhao Heng +5

Precise attribute intensity control--generating Large Language Model (LLM) outputs with specific, user-defined attribute intensities--is crucial for AI systems adaptable to diverse…

cs.AI2026

ThinkRouter: Efficient Reasoning via Routing Thinking between Latent and Discrete Spaces

Xin Xu, Tong Yu, Xiang Chen +3

Recent work explores latent reasoning to improve reasoning efficiency by replacing explicit reasoning trajectories with continuous representations in a latent space, yet its effect…

cs.AI2026

Skill Discovery for Software Scripting Automation via Offline Simulations with LLMs

Paiheng Xu, Gang Wu, Xiang Chen +6

Scripting interfaces enable users to automate tasks and customize software workflows, but creating scripts traditionally requires programming expertise and familiarity with specifi…

cs.CL2025

Mitigating Forgetting Between Supervised and Reinforcement Learning Yields Stronger Reasoners

Xiangchi Yuan, Xiang Chen, Tong Yu +4

Large Language Models (LLMs) show strong reasoning abilities, often amplified by Chain-of-Thought (CoT) prompting and reinforcement learning (RL). Although RL algorithms can substa…

eess.IV2025

WaterFlow: Learning Fast & Robust Watermarks using Stable Diffusion

Vinay Shukla, Prachee Sharma, Ryan Rossi +3

The ability to embed watermarks in images is a fundamental problem of interest for computer vision, and is exacerbated by the rapid rise of generated imagery in recent times. Curre…