Plane Graphs without 4- and 5-Cycles and without Ext-Triangular 7-Cycles are 3-Colorable (Q5351865)
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scientific article; zbMATH DE number 6767177
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Plane Graphs without 4- and 5-Cycles and without Ext-Triangular 7-Cycles are 3-Colorable |
scientific article; zbMATH DE number 6767177 |
Statements
Plane Graphs without 4- and 5-Cycles and without Ext-Triangular 7-Cycles are 3-Colorable (English)
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31 August 2017
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plane graphs
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3-colorability
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Steinberg's conjecture
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discharging
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