activity
20242026
most citedModel Merging in LLMs, MLLMs, and Beyond: Methods, Theories, Applications and Opportunities

7 citations · 7 across the 11 of their papers we have counts for

collaborators

15 papers

cs.LG2026

Provable Sparse Inversion and Token Relabel Enhanced One-shot Federated Learning with ViTs

Li Shen, Xiaolei Hao, Qinglun Li +3

One-Shot Federated Learning, where a central server learns a global model in a single communication round, has emerged as a promising paradigm. However, under extremely non-IID set…

cs.LG2026

Stability and Generalization of Push-Sum Based Decentralized Optimization over Directed Graphs

Yifei Liang, Yan Sun, Xiaochun Cao +1

Push-Sum-based decentralized learning enables optimization over directed communication networks, where information exchange may be asymmetric. While convergence properties of such…

cs.LG2026

Sparse Layer Sharpness-Aware Minimization for Efficient Fine-Tuning

Yifei Cheng, Xianglin Yang, Guoxia Wang +5

Sharpness-aware minimization (SAM) seeks the minima with a flat loss landscape to improve the generalization performance in machine learning tasks, including fine-tuning. However,…

cs.AI2026

Mitigating Safety Tax via Distribution-Grounded Refinement in Large Reasoning Models

Yingsha Xie, Tiansheng Huang, Enneng Yang +5

Safety alignment incurs safety tax that perturbs a large reasoning model's (LRM) general reasoning ability. Existing datasets used for safety alignment for an LRM are usually const…

cs.CV2026

Towards Explainable Industrial Anomaly Detection via Knowledge-Guided Latent Reasoning

Peng Chen, Chao Huang, Yunkang Cao +7

Industrial anomaly detection demands precise reasoning over fine-grained defect patterns. However, existing multimodal large language models (MLLMs), pretrained on general-domain d…

cs.LG2025

Unveiling the Power of Multiple Gossip Steps: A Stability-Based Generalization Analysis in Decentralized Training

Qinglun Li, Yingqi Liu, Miao Zhang +3

Decentralized training removes the centralized server, making it a communication-efficient approach that can significantly improve training efficiency, but it often suffers from de…

cs.LG2025

TrojanTO: Action-Level Backdoor Attacks against Trajectory Optimization Models

Yang Dai, Oubo Ma, Longfei Zhang +6

Recent advances in Trajectory Optimization (TO) models have achieved remarkable success in offline reinforcement learning. However, their vulnerabilities against backdoor attacks a…

cs.LG2025

LightSAM: Parameter-Agnostic Sharpness-Aware Minimization

Yifei Cheng, Li Shen, Hao Sun +3

Sharpness-Aware Minimization (SAM) optimizer enhances the generalization ability of the machine learning model by exploring the flat minima landscape through weight perturbations.…

cs.CV2025

Vad-R1: Towards Video Anomaly Reasoning via Perception-to-Cognition Chain-of-Thought

Chao Huang, Benfeng Wang, Jie Wen +4

Recent advancements in reasoning capability of Multimodal Large Language Models (MLLMs) demonstrate its effectiveness in tackling complex visual tasks. However, existing MLLM-based…

cs.AI2025

Ada-R1: Hybrid-CoT via Bi-Level Adaptive Reasoning Optimization

Haotian Luo, Haiying He, Yibo Wang +6

Recently, long-thought reasoning models achieve strong performance on complex reasoning tasks, but often incur substantial inference overhead, making efficiency a critical concern.…

cs.AI2025

OptMerge: Unifying Multimodal LLM Capabilities and Modalities via Model Merging

Yongxian Wei, Runxi Cheng, Weike Jin +7

Foundation models update slowly due to resource-intensive training, whereas domain-specific models evolve rapidly between releases. Model merging seeks to combine multiple expert m…

cs.LG2025

Modeling Multi-Task Model Merging as Adaptive Projective Gradient Descent

Yongxian Wei, Anke Tang, Li Shen +3

Merging multiple expert models offers a promising approach for performing multi-task learning without accessing their original data. Existing methods attempt to alleviate task conf…

cs.LG2024

Efficient and Effective Weight-Ensembling Mixture of Experts for Multi-Task Model Merging

Li Shen, Anke Tang, Enneng Yang +6

Multi-task learning (MTL) leverages a shared model to accomplish multiple tasks and facilitate knowledge transfer. Recent research on task arithmetic-based MTL demonstrates that me…

cs.LG2024

Boosting the Performance of Decentralized Federated Learning via Catalyst Acceleration

Qinglun Li, Miao Zhang, Yingqi Liu +3

Decentralized Federated Learning has emerged as an alternative to centralized architectures due to its faster training, privacy preservation, and reduced communication overhead. In…

cs.LG2024★ 7 cited

Model Merging in LLMs, MLLMs, and Beyond: Methods, Theories, Applications and Opportunities

Enneng Yang, Li Shen, Guibing Guo +4

Model merging is an efficient empowerment technique in the machine learning community that does not require the collection of raw training data and does not require expensive compu…