Weighted Join Operators on Directed Trees

Sameer Chavan, Rajeev Gupta, Kalyan B. Sinha

A rooted directed tree $\mathcal{T}=(V,E)$ with can be extended to a directed graph ${\mathcal{T}}_{\infty }=(V_{\infty },E_{\infty })$ by adding a vertex $\infty$ to $V$ and declaring each v…