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Proof of a theorem of M. Hall concerning the finiteness of the groups B(m, 6)

โœ Scribed by I. G. Lysenok


Publisher
SP MAIK Nauka/Interperiodica
Year
1987
Tongue
English
Weight
274 KB
Volume
41
Category
Article
ISSN
0001-4346

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A new proof of the 6 color theorem
โœ Oleg V. Borodin ๐Ÿ“‚ Article ๐Ÿ“… 1995 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 579 KB

## Abstract In 1965 Ringel raised a 6 color problem for graphs that can be stated in at least three different forms. In particular, is it possible to color the vertices and faces of every plane graph with 6 colors so that any two adjacent or incident elements are colored differently? This 6 color p