collaborators

5 papers

cs.CV2026

Beyond SFT-to-RL: Pre-alignment via Black-Box On-Policy Distillation for Multimodal RL

Sudong Wang, Weiquan Huang, Xiaomin Yu +9

The standard post-training recipe for large multimodal models (LMMs) applies supervised fine-tuning (SFT) on curated demonstrations followed by reinforcement learning with verifiab…

cs.CL2026

BranPO: Scalable Contrastive Branch Sampling for Long-Horizon Agentic Reinforcement Learning

Yubao Zhao, Weiquan Huang, Sudong Wang +4

Agentic reinforcement learning enables large language models to perform multi-turn planning and tool use, but long-horizon training remains challenging under sparse trajectory-leve…

cs.AI2026

AMA: Adaptive Memory via Multi-Agent Collaboration

Weiquan Huang, Zixuan Wang, Hehai Lin +6

The rapid evolution of Large Language Model (LLM) agents has necessitated robust memory systems to support cohesive long-term interaction and complex reasoning. Benefiting from the…

cs.CL2026

ACE-Merging: Data-Free Model Merging with Adaptive Covariance Estimation

Bo Xu, Haotian Wu, Hehai Lin +4

Model merging aims to combine multiple task-specific expert models into a single model while preserving generalization across diverse tasks. However, interference among experts, es…

cs.AI2026

Unified-MAS: Universally Generating Domain-Specific Nodes for Empowering Automatic Multi-Agent Systems

Hehai Lin, Yu Yan, Zixuan Wang +6

Automatic Multi-Agent Systems (MAS) generation has emerged as a promising paradigm for solving complex reasoning tasks. However, existing frameworks are fundamentally bottlenecked…