Abstract
It is shown that the Cartesian product of two nontrivial connected graphs admits a nowhere-zero 4-flow. If both factors are bipartite, then the product admits a nowhere-zero 3-flow.
Original language | English |
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Pages (from-to) | 93-98 |
Number of pages | 6 |
Journal | Journal of graph theory |
Volume | 43.2003 |
Issue number | 2 |
DOIs | |
Publication status | Published - 18 Apr 2003 |
Keywords
- Cartesian products
- Integer flows