2 papers
cs.SI2026
A two-steps tensor eigenvector centrality for nodes and hyperedges in hypergraphs
Qing Xu, Chunmeng Liu, Changjiang Bu +1
Hypergraphs have been a powerful tool to represent higher-order interactions, where hyperedges can connect an arbitrary number of nodes. Quantifying the relative importance of node…
math.CO2025
The -core of a graph and its high-order spectra
Chunmeng Liu, Qing Xu, Changjiang Bu
The -core of a graph is its largest subgraph with minimum degree at least , a fundamental concept for uncovering hierarchical structures. In this paper, we establish a connec…