collaborators

7 papers

cs.CL2026

Proof-RM: A Scalable and Generalizable Reward Model for Math Proof

Haotong Yang, Zitong Wang, Shijia Kang +7

While Large Language Models (LLMs) have demonstrated strong math reasoning abilities through Reinforcement Learning with *Verifiable Rewards* (RLVR), many advanced mathematical pro…

cs.LG2026

GREPO: A Benchmark for Graph Neural Networks on Repository-Level Bug Localization

Juntong Wang, Libin Chen, Xiyuan Wang +4

Repository-level bug localization-the task of identifying where code must be modified to fix a bug-is a critical software engineering challenge. Standard Large Language Modles (LLM…

cs.LG2025

The Road Less Traveled: Enhancing Exploration in LLMs via Sequential Sampling

Shijia Kang, Muhan Zhang

Reinforcement learning (RL) has been pivotal in enhancing the reasoning capabilities of large language models (LLMs), but it often suffers from limited exploration and entropy coll…

cs.LG2025

On the Completeness of Invariant Geometric Deep Learning Models

Zian Li, Xiyuan Wang, Shijia Kang +1

Invariant models, one important class of geometric deep learning models, are capable of generating meaningful geometric representations by leveraging informative geometric features…

cs.CL2025

Beyond Single-Task: Robust Multi-Task Length Generalization for LLMs

Yi Hu, Shijia Kang, Haotong Yang +2

Length generalization, the ability to solve problems longer than those seen during training, remains a critical challenge for large language models (LLMs). Previous work modifies p…

cs.CL2025

Number Cookbook: Number Understanding of Language Models and How to Improve It

Haotong Yang, Yi Hu, Shijia Kang +2

Large language models (LLMs) can solve an increasing number of complex reasoning tasks while making surprising mistakes in basic numerical understanding and processing (such as 9.1…