Combinatorica`
Combinatorica`GroetzschGraph
As of Version 10, most of the functionality of the Combinatorica package is built into the Wolfram System. >>
GroetzschGraph
returns the smallest triangle-free graph with chromatic number 4. This is identical to MycielskiGraph[4].
Details
- GroetzschGraph functionality is now available in the built-in Wolfram Language function GraphData.
- To use GroetzschGraph, you first need to load the Combinatorica Package using Needs["Combinatorica`"].
See Also
Tutorials
Related Guides
- Built-in Graphs
- Graphs & Networks
- Graph Visualization
- Computation on Graphs
- Graph Construction & Representation
- Graphs and Matrices
- Graph Properties & Measurements
- Graph Operations and Modifications
- Statistical Analysis
- Social Network Analysis
- Graph Properties
- Mathematical Data Formats
- Discrete Mathematics