Robertson, Sanders, Seymour and Thomas' 1997 proof of the Four-Colour Theorem

This is the source code of the 1997 proof of the Four-Colour Theorem, published by Neil Robertson, Daniel P. Sanders, Paul Seymour and Robin Thomas.

It was gathered by Baptiste Mélès (CNRS, Archives Henri-Poincaré, Software Heritage Ambassador), on 9th April 2024.

References

• Robertson Neil, Sanders Daniel P., Seymour Paul and Thomas Robin, "Reducibility in the Four-Color Theorem", doi:10.48550/arXiv.1401.6481.

• Robertson Neil, Sanders Daniel P., Seymour Paul and Thomas Robin, "Discharging cartwheels", doi:10.48550/arXiv.1401.6485.

• Thomas Robin, "4CT information page", visited on 9th April 2024, URL :  https://thomas.math.gatech.edu/FC/ftpinfo.html.