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For questions about matchings in graph theory. A matching on a graph is a set of edges such that no two edges share a common vertex.

1 vote

Are all almost regular graphs obvious?

Partition your graph into vertices of even degree, $N$, and vertices of odd degree, $D$. If the size of both sets is even, then you can add a matching to the set with lower degree to get a regular gra …
Zack Wolske's user avatar
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