Author

Yuxin Zhang

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Preprint Jul 2026

Rank-Independent Spectral Hypergraph Sparsification via Global-Dictionary Chaining

The rank-independent theorem sharpens many later guarantees that inherit their sampling bounds by strengthening the independent STOC 2023 works of Lee and Jambulapati--Liu--Sidford by removing their rank dependence and answering Lee's open question on whether this loss is inherent.

Chenghua Liu, Yuxin Zhang · 0 citations

Open access Jul 2026

Semantic-guided edge enhancement for graph self-supervised learning in network intrusion detection.

To improve the discriminability of the network flow graph, a new node‑edge‑node attention algorithm is introduced for graph enhancement representation that integrates edge-aware attention and intra-edge feature self-attention collaboratively, thereby assists the model to perceive complex attack behaviors at multiple granular levels effectively.

Yuxin Zhang, Yanxiang Hu, Bo Zhang et al. · Scientific Reports · 0 citations