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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.
4
votes
Accepted
Good lower bound on matching in bipartite graph
Let $d$ denote the deficiency of the graph, i.e., the maximum difference between the a size of a subset of $V_1$ and the number of its neighbors (#vertices $-$ #neighbors).
If $d \leq 0$ then the con …