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Sibirskie Èlektronnye Matematicheskie Izvestiya [Siberian Electronic Mathematical Reports], 2016, Volume 13, Pages 286–299
DOI: https://doi.org/10.17377/semi.2016.13.023
(Mi semr672)
 

Discrete mathematics and mathematical cybernetics

The number of small cycles in the Star graph

Alexey N. Medvedevabc

a Sobolev Institute of Mathematics, 4, Koptyug av., 630090, Novosibirsk, Russia
b MTA Rényi Alfréd Institute of Mathematics, Reáltanoda ut. 13-15., Budapest, 1053, Hungary
c Central European University, Nador ut. 9, Budapest, 1051, Hungary
References:
Abstract: The Star graph is the Cayley graph on the symmetric group $Sym_n$ generated by the set of transpositions $\{(1\,i) \in Sym_n: 2 \leqslant i \leqslant n\}$. This graph is bipartite and does not contain odd cycles but contains all even cycles with a sole exception of $4$-cycles. We denote as $(\pi,id)$-cycles the cycles constructed from two shortest paths between a given vertex $\pi$ and the identity $id$. In this paper we derive the exact number of $(\pi,id)$-cycles for particular structures of the vertex $\pi$. We use these results to obtain the total number of $10$-cycles passing through any given vertex in the Star graph.
Keywords: Cayley graphs; Star graph; cycle embedding; number of cycles.
Funding agency Grant number
Russian Foundation for Basic Research 15-01-05867_а
Supported by Grant 15–01–05867 of the Russian Foundation of Basic Research.
Received January 21, 2016, published April 29, 2016
Bibliographic databases:
Document Type: Article
UDC: 519.1
MSC: 05C25
Language: English
Citation: Alexey N. Medvedev, “The number of small cycles in the Star graph”, Sib. Èlektron. Mat. Izv., 13 (2016), 286–299
Citation in format AMSBIB
\Bibitem{Med16}
\by Alexey~N.~Medvedev
\paper The number of small cycles in the Star graph
\jour Sib. \`Elektron. Mat. Izv.
\yr 2016
\vol 13
\pages 286--299
\mathnet{http://mi.mathnet.ru/semr672}
\crossref{https://doi.org/10.17377/semi.2016.13.023}
\isi{https://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=Publons&SrcAuth=Publons_CEL&DestLinkType=FullRecord&DestApp=WOS_CPL&KeyUT=000407781100023}
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