# pgRouting Manual (3.0-rc1)

## Spanning Tree - Category

- Kruskal - Family of functions
- Prim - Family of functions

A spanning tree of an undirected graph is a tree that includes all the vertices of G with the minimum possible number of edges.

For a disconnected graph, there there is no single tree, but a spanning forest, consisting of a spanning tree of each connected component.

- Supported versions: current(3.0)

## See Also

- Boost: Prim’s algorithm documentation
- Wikipedia: Prim’s algorithm

Indices and tables

- Index
- Search Page