collaborators

9 papers

cs.CL2026

DEEPRUBRIC: Evidence-Tree Rubric Supervision for Efficient Reinforcement Learning of Deep Research Agents

Minghang Zhu, Chuyang Wei, Junhao Xu +3

Deep research agents synthesize long-form reports by searching and reasoning over retrieved evidence. Reinforcement learning with rubric-based rewards improves these agents by opti…

cs.SE2026

One Tool Is Enough: Reinforcement Learning for Repository-Level LLM Agents

Zhaoxi Zhang, Yitong Duan, Yanzhi Zhang +9

Locating files and functions requiring modification in large software repositories is challenging due to their scale and structural complexity. Existing LLM-based methods typically…

cs.AI2026

FutureWorld: A Live Reinforcement Learning Environment for Predictive Agents with Real-World Outcome Rewards

Zhixin Han, Yanzhi Zhang, Chuyang Wei +11

Live future prediction refers to the task of making predictions about real-world events before they unfold. This task is increasingly studied using large language model-based agent…

cs.AI2026

Harnessing Pre-Resolution Signals for Future Prediction Agents

Chuyang Wei, Maohang Gao, Zhixin Han +12

Many high-stakes decisions depend on forecasts made before outcomes are known. In this future prediction setting, the central challenge is that public evidence evolves over time, w…

cs.AI2026

Can a Lightweight Automated AI Pipeline Solve Research-Level Mathematical Problems?

Lve Meng, Weilong Zhao, Yanzhi Zhang +2

Large language models (LLMs) have recently achieved remarkable success in generating rigorous mathematical proofs, with "AI for Math" emerging as a vibrant field of research (Ju et…

cs.AI2025

Population-Evolve: a Parallel Sampling and Evolutionary Method for LLM Math Reasoning

Yanzhi Zhang, Yitong Duan, Zhaoxi Zhang +2

Test-time scaling has emerged as a promising direction for enhancing the reasoning capabilities of Large Language Models in last few years. In this work, we propose Population-Evol…