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physics.soc-ph2025
An iterative spectral algorithm for digraph clustering
James Martin, Tim Rogers, Luca Zanetti
Graph clustering is a fundamental technique in data analysis with applications in many different fields. While there is a large body of work on clustering undirected graphs, the pr…
physics.soc-ph2025
Percolation and localisation: Sub-leading eigenvalues of the nonbacktracking matrix
James Martin, Tim Rogers, Luca Zanetti
The spectrum of the nonbacktracking matrix associated to a network is known to contain fundamental information regarding percolation properties of the network. Indeed, the inverse…