Stephan G. Wagner

collaborators

2 papers

math.CO2026

Benjamini-Schramm convergence and subtrees of trees

Stijn Cambie, Stephan Wagner, Ruoyu Wang

In this paper, we study the asymptotic behaviour of the number of subtrees and the subtree density for a sequence of trees that converges in the Benjamini-Schramm sense. Benjamini-…

math.CO2026

The Distribution Of Subtrees In Dense Graphs And The Roots Of The Subtree Polynomial

Stephan Wagner, Ruoyu Wang

For a graph $G$ with $n$ vertices and a positive integer $k \leq n$ , let $s_{k} (G)$ be the number of subtrees (subgraphs that are trees, not necessarily induced) of $G$ with $k$ vert…