2 papers
math.GT2026
Counting Weighted Bi-Colored Plane Trees and Their Geometric Applications
Sicheng Lu, Yi Song
This work solves the enumeration problem for weighted bi-colored plane trees with prescribed numbers of black and white vertices, together with prescribed total edge weights at eac…
math.CO2026
Enumeration of weighted plane trees by a permutation model
Sicheng Lu, Yi Song
This work addresses an enumeration problem on weighted bi-colored plane trees with prescribed vertex data, with all vertices labeled distinctly. We give a bijection proof of the en…