Let G = (V, E) be bipartite graph, with vertex partition V = XuY. Assume further that • every z in X has the same degree dx 2 1, and • every y in Y has the same degree dy 21. (a) Prove that = %3D (b) Assuming without loss of generality that dx > dy, show that there exists at least one matching M C E with number of edges |M| = |X|.
Let G = (V, E) be bipartite graph, with vertex partition V = XuY. Assume further that • every z in X has the same degree dx 2 1, and • every y in Y has the same degree dy 21. (a) Prove that = %3D (b) Assuming without loss of generality that dx > dy, show that there exists at least one matching M C E with number of edges |M| = |X|.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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