Exercise 1.2.1
These are the solutions to the exercises of the book Graph Theory with Applications by J. A. Bondy and U. S. R. Murty.
Let \theta be a bijection from V(G) to V(H) defined as follows:
\theta(v_1)=y, \theta(v_2)=x, \theta(v_3)=u, \theta(v_4)=v, \theta(v_5)=w.
Let \phi be a bijection from E(G) to E(H) defined as follows:
\phi(e_1)=h, \phi(e_2)=g, \phi(e_3)=b, \phi(e_4)=a, \phi(e_5)=e, \phi(e_6)=c, \phi(e_7)=f, \phi(e_8)=d.
Then (\theta,\phi) is an isomorphism, alternative to the one given in the book.
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