Author

Hao-Xin Sun

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Book Open access Aug 2026

SigFJProp: Lightweight and Scalable Signed Graph Learning via Opinion Dynamics

Learning on signed graphs poses unique challenges due to the presence of both positive and negative links, which represent complex social dynamics such as trust and conflict. While existing signed graph neural networks (SGNNs) have achieved promising results, most rely on deep, multi-hop propagation architectures that...

Yubo Sun, Haoxin Sun, Zhongzhi Zhang · Proceedings of the 32nd ACM... · 0 citations

Jun 2026

Fast Estimation for Forest Matrix of Signed Graphs

A novel algorithm GSCF is proposed, built on a variant of loop-erased random walks, to generate generalized spanning converging forests in expected O(n) time and two sampling algorithms are developed, FMDE and FMDE+, for estimating the diagonal of the forest matrix.

Haoxin Sun, Zhongzhi Zhang · arXiv.org · 0 citations