A new result on the problem of Buratti, Horak and Rosa

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6 Citazioni (Scopus)


The conjecture of Peter Horak and Alex Rosa (generalizing that of Marco Buratti) states that a multiset L of v−1 positive integers not exceeding [v/2] is the list of edge-lengths of a suitable Hamiltonian path of the complete graph with vertex-set {0,1,...,v−1} if and only if the following condition (here reformulated in a slightly easier form) is satisfied: for every divisor d of v, the number of multiples of d appearing in L is at most v−d. In this paper we do some preliminary discussions on the conjecture, including its relationship with graph decompositions. Then we prove, as main result, that the conjecture is true whenever all the elements of L are in {1,2,3,5}.
Lingua originaleEnglish
pagine (da-a)1-14
Numero di pagine14
RivistaDiscrete Mathematics
Stato di pubblicazionePubblicato - 2014


  • Complete graph
  • Edge-length
  • Hamiltonian path


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