A tree in mathematics and graph theory is an undirected graph in which any two vertices are connected by exactly one simple path. In other words, any connected graph without simple cycles is a tree. A forest is a disjoint union of trees.
This category has the following 4 subcategories, out of 4 total.
Media in category "Tree (graph theory)"
The following 19 files are in this category, out of 19 total.