Mathematics – Combinatorics
Scientific paper
2006-07-20
Mathematics
Combinatorics
6 pages, 2 figures
Scientific paper
The well-known Steinberg's conjecture asserts that any planar graph without
4- and 5-cycles is 3 colorable. In this note we have given a short algorithmic
proof of this conjecture based on the spiral chains of planar graphs proposed
in the proof of the four color theorem by the author in 2004.
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