Bounds on the lower size of a 7-critical graph (Q1891429)
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scientific article; zbMATH DE number 760235
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Bounds on the lower size of a 7-critical graph |
scientific article; zbMATH DE number 760235 |
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Bounds on the lower size of a 7-critical graph (English)
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23 October 1995
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The authors give a new lower size of 6 and 7-critical graphs via the order of the graphs. The gained results are used for the characterization of the chromatic index of planar graphs with maximum vertex degree 6 and 7, respectively.
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edge colouring
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lower size
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7-critical graphs
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chromatic index
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planar graphs
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maximum vertex degree
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