Finding the key nodes to minimize the victims of the malicious information in complex network

M Zhou, H Liu, H Liao, G Liu, R Mao - Knowledge-Based Systems, 2024 - Elsevier
Safeguarding crucial nodes provides a direct approach to impede the dissemination of
malicious information in complex networks, such as the Internet. However, determining the …

Accelerating the decentralized federated learning via manipulating edges

M Zhou, G Liu, KZ Lu, R Mao, H Liao - Proceedings of the ACM Web …, 2024 - dl.acm.org
Federated learning enables collaborative AI training across organizations without
compromising data privacy. Decentralized federated learning (DFL) improves this by offering …

A fast algorithm for moderating critical nodes via edge removal

C Liu, X Zhou, AN Zehmakan… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Critical nodes in networks are extremely vulnerable to malicious attacks to trigger negative
cascading events such as the spread of misinformation and diseases. Therefore, effective …

Measures and optimization for robustness and vulnerability in disconnected networks

L Zhu, Q Bao, Z Zhang - IEEE Transactions on Information …, 2023 - ieeexplore.ieee.org
The function or performance of a network is strongly dependent on its robustness, which
quantifies the ability of the network to continue functioning under perturbations. While a wide …

Controlling the spread of infectious diseases by using random walk method to remove many important links

X Li, JX Yang, HY Wang, Y Tan - Communications in Nonlinear Science …, 2024 - Elsevier
Understanding the network structure is critical for controlling and mitigating the spread of
infectious diseases. Removing many important links to control the spread of infectious …

Maximizing the smallest eigenvalue of grounded Laplacian matrix

X Zhou, R Wang, W Li, Z Zhang - Journal of Global Optimization, 2025 - Springer
For a connected graph G=(V, E) with n nodes, m edges, and Laplacian matrix L, a grounded
Laplacian matrix L (S) of G is a (nk)×(nk) principal submatrix of L, obtained from L by …

A control measure for epidemic spread based on the susceptible–infectious–susceptible (SIS) model

JX Yang, H Wang, X Li, Y Tan, Y Ma, M Zeng - BioSystems, 2024 - Elsevier
When an epidemic occurs in a network, finding the important links and cutting them off is an
effective measure for preventing the spread of the epidemic. Traditional methods that …

Optimization on the smallest eigenvalue of grounded Laplacian matrix via edge addition

X Zhou, H Sun, W Li, Z Zhang - Theoretical Computer Science, 2023 - Elsevier
The grounded Laplacian matrix L− S of a graph G=(V, E) with n=| V| nodes and m=| E| edges
is a (n− s)×(n− s) submatrix of its Laplacian matrix L, obtained from L by deleting rows and …

Minimizing Polarization in Noisy Leader-Follower Opinion Dynamics

W Xu, Z Zhang - Proceedings of the 32nd ACM International …, 2023 - dl.acm.org
The operation of creating edges has been widely applied to optimize relevant quantities of
opinion dynamics. In this paper, we consider a problem of polarization optimization for the …

Highly-efficient minimization of network connectivity in large-scale graphs

M Zhou, G Liu, KZ Lu, H Liao, R Mao - THE WEB CONFERENCE 2025 - openreview.net
Network connectivity minimization is a fundamental problem in controlling the spread of
epidemics and facilitating information propagation in social networks. The problem aims to …