https://cienciaprogramada.com/tags/trees/ Recent content in trees on Ciência Programada Hugo -- gohugo.io en contato[@]cienciaprogramada.com.br (Francisco Bustamante) contato[@]cienciaprogramada.com.br (Francisco Bustamante) © 2026 Francisco Bustamante Tue, 18 Aug 2026 00:00:00 +0000 https://cienciaprogramada.com/2026/08/trees/ Tue, 18 Aug 2026 00:00:00 +0000 contato[@]cienciaprogramada.com.br (Francisco Bustamante) https://cienciaprogramada.com/2026/08/trees/ A file system is a tree: a connected graph with no cycles. We prove that every tree has one edge fewer than it has vertices and that its center has one or two vertices, and we look at spanning trees and rooted trees, including the difference between a balanced tree and a degenerate one.