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On the Four-Colour Conjecture

✍ Scribed by Dirac, G. A.

Book ID: 120102064
Publisher: Oxford University Press
Year: 1963
Tongue: English
Weight: 730 KB
Volume: s3-13
Category: Article
ISSN: 0024-6115
DOI: 10.1112/plms/s3-13.1.193

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## Chetwynd and Hilton have elsewhere posed two conjectures, one a general statement on edge-colouring simple graphs G with A(G) > i lV(G)I, and a second to the effect that a regular simple graph G with d(G) 3 -1 IV(G) 1 is l-factorizable. We set out the evidence for both these conjectures and sho