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An upper bound for the energy of radial digraphs

✍ Scribed by Cruz, Roberto; Giraldo, Hernán; Rada, Juan


Book ID
122552623
Publisher
Elsevier Science
Year
2014
Tongue
English
Weight
198 KB
Volume
442
Category
Article
ISSN
0024-3795

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An upper bound for the Hamiltonicity exp
✍ Günter Schaar; A. Pawel Wojda 📂 Article 📅 1997 🏛 Elsevier Science 🌐 English ⚖ 136 KB

Let D be a strongly k-connected digraph of order n/> 2. We prove that for every l >i n/2k the power D t of D is Hamiltonian. Moreover, for any k >/1 and n > 2k we exhibit a strongly k-connected digraph D of order n such that D rn/2kl-1 is non-Hamiltonian. We use standard terminology, unless otherwi