English

About the number of oriented Hamiltonian paths and cycles in tournaments

Combinatorics 2021-01-05 v1

Abstract

We prove that a tournament and its complement contain the same number of oriented Hamiltonian paths (resp. cycles) of any given type, as a generalization of Rosenfeld's result proved for antidirected paths.

Keywords

Cite

@article{arxiv.2101.00713,
  title  = {About the number of oriented Hamiltonian paths and cycles in tournaments},
  author = {Amine El Sahili and Zeina Ghazo Hanna},
  journal= {arXiv preprint arXiv:2101.00713},
  year   = {2021}
}