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math.ST2023
Detecting a late changepoint in the preferential attachment model
Gianmarco Bet, Kay Bogerd, Rui M. Castro +1
Motivated by the problem of detecting a change in the evolution of a network, we consider the preferential attachment random graph model with a time-dependent attachment function.…
math.ST2023
Localized geometry detection in scale-free random graphs
Gianmarco Bet, Riccardo Michielan, Clara Stegehuis
We consider the problem of detecting whether a power-law inhomogeneous random graph contains a geometric community, and we frame this as an hypothesis testing problem. More precise…