< Portal:Mathematics < Featured picture

< Previous Next >

Picture of the month

Credit: Leshabirukov

The Petersen graph, an undirected graph with 10 vertices and 15 edges, serves as a useful example or counterexample for many problems in graph theory.

...Archive Read more...
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.