2 papers
cs.SI2026
Likelihood-based anomaly detection in preferential attachment networks
Qiu Liang, Remco van der Hofstad, Nelly Litvak
Preferential attachment (PA) network is a widely used model for capturing the growth dynamics of real-world networks, in which newly arriving vertices are more likely to connect to…
physics.soc-ph2025
Degrees in Preferential Attachment Networks with an Anomaly
Qiu Liang, Remco van der Hofstad, Nelly Litvak
We consider a preferential attachment model that incorporates an anomaly. Our goal is to understand the evolution of the network before and after the occurrence of the anomaly by s…