a) show that up to isomorphism there is a unique simple graph with degree sequence (1,1,2,3,3) b)show that up to isomorphism there is a unique simple...
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a) show that up to isomorphism there is a unique simple graph with degree sequence (1,1,2,3,3)

b)show that

up to isomorphism there is a unique simple graph with degree sequence (2,2,2,2,2)

c)show that there are two non-isomorphic simple graphs having degree sequence (1,2,2,3,3)


in first two case show that such graph can only be constructed in one way

in the third cases show there are at least two simple graphs having the given degree sequence and then argue that any such simple graph must be isomorphic to one of them

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