3 papers
stat.ME2026
Efficient Topic Model Estimation under Heavy-Tailed Document Lengths
Daniel Cirkovic, Tiandong Wang
Early inquiries into the statistical properties of natural language found that words tend to occur with power-law frequencies. This observation, closely associated with Zipf's law,…
stat.ME2026
Spatial Dependence in Directed Preferential-Attachment Networks
Zihan Li, Tiandong Wang
Spatially embedded directed networks, such as airline networks, often exhibit simultaneous high activity at nearby nodes. Preferential attachment (PA) explains hub dominance. We ex…
math.ST2024
On tail inference in scale-free inhomogeneous random graphs
Daniel Cirkovic, Tiandong Wang, Daren B. H. Cline
Both empirical and theoretical investigations of scale-free network models have found that large degrees in a network exert an outsized impact on its structure. However, the tools…