Authors

Yuhang Liu

Publications 2

Preprint Open access

SMAT: Simple and Efficient Merge-Aware Training

Yanggan Gu, Yuanyi Wang, Zhen Li et al. · 2026

Model merging integrates the capabilities of multiple experts without joint retraining, but standard expert training optimizes task loss alone and does not guarantee good performance after merging. Merge-aware training (MAT) aims to improve merged performance, but existing methods do not fully account for common mergin …

Preprint Open access

From Parameters to Behaviors: A Survey of Model Fusion for Large Language Models

Shuo Cai, Yanggan Gu, Zihao Wang et al. · 2026

Model fusion integrates the capabilities from source models into a single target model. As of June 2026, Hugging Face hosts more than 2M models. This growing pool provides a rich base for model reuse and capability integration. Yet existing surveys often cover only separate parts of this space, and they do not provide …

Co-authors

Yanggan Gu Hongxia Yang Zhen Li Zihao Wang Shuo Cai Yuanyi Wang Junzhuo Li Wenjun Wang Ming Li Guanghao Zhu Yibo Yan Sirui Huang