activity
20242026
collaborators

7 papers

math.PR2026

The rank and layer distributions in random recursive trees

Huck Stepanyants, P. L. Krapivsky, Harrison Hartle +1

The distribution of node depths in a network is crucial for analyzing network structure. Two measures, rank and layer, quantify how deep inside a network a node is. The rank is the…

cond-mat.stat-mech2026

Leaves of preferential attachment trees

Harrison Hartle, P. L. Krapivsky

We provide a local probabilistic description of the limiting statistics of large preferential attachment trees in terms of the ordinary degree (number of neighbors) but augmented w…

physics.soc-ph2025

Deterministic construction of typical networks in network models

Narayan G. Sabhahit, Moritz Laber, Harrison Hartle +4

It is often desirable to assess how well a given dataset is described by a given model. In network science, for instance, one often wants to say that a given real-world network app…

cond-mat.stat-mech2025

Statistics of leaves in growing random trees

Harrison Hartle, P. L. Krapivsky

Leaves, i.e., vertices of degree one, can play a significant role in graph structure, especially in sparsely connected settings in which leaves often constitute the largest fractio…

physics.soc-ph2025

Growing unlabeled networks

Harrison Hartle, Brennan Klein, Dmitri Krioukov +1

Models of growing networks are a central topic in network science. In these models, vertices are usually labeled by their arrival time, distinguishing even those node pairs whose s…

math.CO2025

The Metric Dimension of Sparse Random Graphs

Josep Díaz, Harrison Hartle, Cristopher Moore

In 2013, Bollobás, Mitsche, and Pralat at gave upper and lower bounds for the likely metric dimension of random Erdős-Rényi graphs for a large range of expected degrees…