Opuscula Math. 24, no. 2 (2004), 197-202

 
Opuscula Mathematica

The minimum exponent of the primitive digraphs on the given number of arcs

Jolanta Rosiak

Abstract. Primitive digraphs on \(n\) vertices, \(k\) arcs and girth \(s\) are considered. By \(a(n,k,s)\) we mean the minimum exponent taken over all such digraphs. We estimate the number \(a(n,k,s)\) using the Frobenius number for special values of \(k\) and \(s\).

Keywords: primitive directed graph, exponent, Frobenius number.

Mathematics Subject Classification: 05C20, 11A25.

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  • Jolanta Rosiak
  • Technical University of Szczecin, Institute of Mathematics, ul. Aleja Piastów 48/49, 70-310 Szczecin, Poland
  • Received: 2003-11-16.
Opuscula Mathematica - cover

Cite this article as:
Jolanta Rosiak, The minimum exponent of the primitive digraphs on the given number of arcs, Opuscula Math. 24, no. 2 (2004), 197-202

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