Nathan Williams

activity

20112026

W

-Eulerian polynomials

17 citations · 78 across the 24 of their papers we have counts for

collaborators

Showing 2023Show all

2 papers · 1 filter

math.CO2023

Wiener Indices of Minuscule Lattices

Colin Defant, Valentin Féray, Philippe Nadeau +1

The Wiener index of a finite graph G is the sum over all pairs (p, q) of vertices of G of the distance between p and q. When P is a finite poset, we define its Wiener index as the…

math.CO2023

The Ungar Games

Colin Defant, Noah Kravitz, Nathan Williams

Let $L$ be a finite lattice. An Ungar move sends an element $x \in L$ to the meet of ${x} \cup T$ , where $T$ is a subset of the set of elements covered by $x$ . We introduce the fol…