Graphs with exactly one hamiltonian circ
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John Sheehan
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Article
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1977
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John Wiley and Sons
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English
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## Abstract Let __h(n__) be the largest integer such that there exists a graph with __n__ vertices having exactly one Hamiltonian circuit and exactly __h(n__) edges. We prove that __h(n__) = [__n__^2^/4]+1 (__n__ โง 4) and discuss some related problems.