Wells graph
The Wells graph is the unique distance-regular graph with intersection array . .[1]
| Wells graph | |
|---|---|
|  | |
| Vertices | 32 | 
| Edges | 80 | 
| Radius | 4 | 
| Diameter | 4 | 
| Girth | 5 | 
| Automorphisms | 1920 | 
| Chromatic number | 4 | 
| Chromatic index | 5 | 
| Queue number | 3 | 
| Properties | Distance regular Hamiltonian | 
| Table of graphs and parameters | |
Its spectrum is . Its queue number is 3 and its upper bound on the book thickness is 5.[2]
References
    
- Brouwer, A. E.; Cohen, A. M.; Neumaier, A. (1989), Distance-regular graphs, Springer-Verlag, Theorem 9.2.9
- Jessica Wolz, Engineering Linear Layouts with SAT. Master Thesis, University of Tübingen, 2018
External links
    
    
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