| 1. | Regular Graphs Page | | | Tables of simple connected k-regular graphs on n vertices and girth at least g. www.mathe2.uni-bayreuth.de |
| 2. | The Four Color Theorem | | | Computer aided proof of the four color theorem by Neil Robertson, Daniel P. Sanders, Paul Seymour and Robin Thomas. www.math.gatech.edu |
| 10. | Multicommodity Problems | | | Instances and random generators of multicommodity flow and network design problems. www.di.unipi.it |
| 11. | Graphnet Archives | | | Archives of the Graphnet mailing list from February 1990. listserv.nodak.edu |
| 13. | Four Colour Theorem | | | A new proof of the four color theorem by Ashay Dharwadker that uses group theory and Steiner systems. www.geocities.com |
| 16. | The Hamiltonian Page | | | Hamiltonian cycle and path problems, their generalisations and variations. www.densis.fee.unicamp.br |
| 21. | TSP Generator | | | Generates a Traveling Salesman Problem map and data for a given set of US cities. www.sju.edu |
| 26. | Thrackles | | | Jon Perry's pages on the thrackle conjecture. www.users.globalnet.co.uk |
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