Nowhere-zero 4-flows; simultaneous edge-colorings; and critical partial Latin squares (Q2567403)
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| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Nowhere-zero 4-flows; simultaneous edge-colorings; and critical partial Latin squares |
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Nowhere-zero 4-flows; simultaneous edge-colorings; and critical partial Latin squares (English)
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4 October 2005
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It is proved that every bipartite graphic sequence with minimum degree at least 2 has a realization that admits a nowhere zero 4-flow. This solves a conjecture of Keedwell and Cameron on simultaneous edge-colorings and critical partial Latin squares.
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graphic sequence
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