15 citations · 52 across the 16 of their papers we have counts for
Showing 2005Show all
2 papers · 1 filter
math.CO2005★ 15 cited
A Generalized Enumeration of Labeled Trees and Reverse Prüfer Algorithm
Seunghyun Seo, Heesung Shin
A {\em leader} of a tree on is a vertex which has no smaller descendants in . Gessel and Seo showed $$\sum_{T \in \mathcal{T}_n}u^\text{(# of leaders in )} c^\text{…
math.CO2005★ 5 cited
A refinement of Cayley's formula for trees
Ira M. Gessel, Seunghyun Seo
A proper vertex of a rooted tree with totally ordered vertices is a vertex that is less than all its proper descendants. We count several kinds of labeled rooted trees and forests…