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Weixi Zhang

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Jul 2026

Revisiting Degree-Corrected Spectral Clustering: a Condition-Free Spectral Analysis and Extension

This study explores an alternative condition-free analysis for the clustering quality of DCSC from a pure spectral view, without any random graph models, and proposes ASCENT (Adaptive Spectral Clustering with Node-wise correcTion), a simple yet effective extension of DCSC.

Wei Li, Xiao-Jian Li, Meng Qin et al. · 0 citations
Preprint Aug 2026

FlatLand: Personalized Graph Federated Learning via Tailored Lorentz Space

This work proposes FlatLand, a novel personalized federated learning method that embeds different clients'data in tailored Lorentz space of hyperbolic geometry, and develops a parameter decoupling strategy that separates heterogeneous information from common knowledge, enabling direct aggregation without requiring clie...

Jia-Hong Liu, B. RamSamarthB, Xinyu Fu et al. · 2 citations

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