collaborators

9 papers

q-fin.CP2026

M3: A State-Event Generative Foundation Model for Market Microstructure Dynamics

Yanzhi Zhang, Yu Ma, Yilin Cheng +2

Market microstructure simulation aims to model how liquidity, prices, and order flow evolve in electronic financial markets. Since market data reveal only one realized trajectory,…

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

Targeted Exploration via Unified Entropy Control for Reinforcement Learning

Chen Wang, Lai Wei, Yanzhi Zhang +5

Recent advances in reinforcement learning (RL) have improved the reasoning capabilities of large language models (LLMs) and vision-language models (VLMs). However, the widely used…

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…

cs.SE2025

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.LG2025

No Free Lunch: Rethinking Internal Feedback for LLM Reasoning

Yanzhi Zhang, Zhaoxi Zhang, Haoxiang Guan +6

Reinforcement learning has emerged as a powerful paradigm for post-training large language models (LLMs) to improve reasoning. Approaches like Reinforcement Learning from Human Fee…

cs.LG2025

EFRame: Deeper Reasoning via Exploration-Filter-Replay Reinforcement Learning Framework

Chen Wang, Lai Wei, Yanzhi Zhang +5

Recent advances in reinforcement learning (RL) have significantly enhanced the reasoning capabilities of large language models (LLMs). Group Relative Policy Optimization (GRPO), a…