Question: 20. Graph-isomorphism (determining whether two graphs have identical structure) is an open problem; no one has been able to prove it to be a NP-Hard,

20. Graph-isomorphism (determining whether two graphs have identical structure) is an

20. Graph-isomorphism (determining whether two graphs have identical structure) is an open problem; no one has been able to prove it to be a NP-Hard, yet no polynomial-time algorithm has been found either. Show that Graph Isomorphism is in NP by describing a certificate that could be returned with a "yes" answer, and how that certificate can be verified in polynomial time. Analyze the time complexity for this verification

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