
AbstractThe main results assert that the minimum number of Hamiltonian bypasses in a strong tournament of order n and the minimum number of Hamiltonian cycles in a 2-connected tournament of order n increase exponentially with n. Furthermore, the number of Hamiltonian cycles in a tournament increases at least exponentially with the minimum outdegree of the tournament. Finally, for each k⩾1 there are infinitely many tournaments with precisely k Hamiltonian cycles.
Eulerian and Hamiltonian graphs, Hamiltonian bypasses, Directed graphs (digraphs), tournaments, Discrete Mathematics and Combinatorics, strong tournament, Hamiltonian cycles, Hamiltonian paths, Theoretical Computer Science
Eulerian and Hamiltonian graphs, Hamiltonian bypasses, Directed graphs (digraphs), tournaments, Discrete Mathematics and Combinatorics, strong tournament, Hamiltonian cycles, Hamiltonian paths, Theoretical Computer Science
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