Let G - (V, E), H = (V', E') be undirected graphs with f:V V' establishing
Question:
(a) Prove that f-1 ; Vʹ → V is also an isomorphism for G and H.
(b) If a ∈ V, prove that deg(a) (in G) = deg(f(a)) (in H).
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Related Book For
Discrete and Combinatorial Mathematics An Applied Introduction
ISBN: 978-0201726343
5th edition
Authors: Ralph P. Grimaldi
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