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An approach to the problem of color patterns of plane graphs. I

โœ Scribed by G. A. Donets


Publisher
Springer US
Year
1974
Tongue
English
Weight
589 KB
Volume
8
Category
Article
ISSN
1573-8337

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Structural properties of plane graphs wi
โœ O. V. Borodin ๐Ÿ“‚ Article ๐Ÿ“… 1996 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 190 KB ๐Ÿ‘ 1 views

If in a plane graph with minimum degree 2 3 no t w o triangles have an edge in common, then: (1 there are two adjacent vertices with degree sum at most 9, and (2) there is a face of size between 4 and 9 or a 10-face incident with ten 3-vertices. It follows that every planar graph without cycles betw