collaborators

5 papers

cs.LG2025

A Weighted Gradient Tracking Privacy-Preserving Method for Distributed Optimization

Furan Xie, Bing Liu, Li Chai

This paper investigates the privacy-preserving distributed optimization problem, aiming to protect agents' private information from potential attackers during the optimization proc…

cs.LG2025

ImprovDML: Improved Trade-off in Private Byzantine-Resilient Distributed Machine Learning

Bing Liu, Chengcheng Zhao, Li Chai +2

Jointly addressing Byzantine attacks and privacy leakage in distributed machine learning (DML) has become an important issue. A common strategy involves integrating Byzantine-resil…

math.OC2025

Enhancing Accuracy in Differentially Private Distributed Optimization Through Sensitivity Reduction

Furan Xie, Bing Liu, Li Chai

In this paper, we investigate the problem of differentially private distributed optimization. Recognizing that lower sensitivity leads to higher accuracy, we analyze the key factor…

eess.SY2024

Privacy-Preserving Resilient Vector Consensus

Bing Liu, Chengcheng Zhao, Li Chai +2

This paper studies privacy-preserving resilient vector consensus in multi-agent systems against faulty agents, where normal agents can achieve consensus within the convex hull of t…

math.OC2024

Cryptography-Based Privacy-Preserving Method for Distributed Optimization over Time-Varying Directed Graphs with Enhanced Efficiency

Bing Liu, Furan Xie, Li Chai

In this paper, we study the privacy-preserving distributed optimization problem, aiming to prevent attackers from stealing the private information of agents. For this purpose, we p…