Planar Graph Theory and the Four Color Problem(Ⅲ)——Some Theoritical Results Derived from the Four Color Problem |
Received:April 21, 1982 |
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Abstract: |
This is the third part of the series of five papers about planar graph theory and the four color problem.It contains the following five sections: §11 Heawood equations; §12 Hamiltonian planar graphs; §13 Hadwiger conjecture; §14 Chromatic critical graphs; §15Chromatic polynomials. |
Citation: |
DOI:10.3770/j.issn:1000-341X.1985.01.026 |
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