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\iteman{io-port 05584881}
\itemau{Wang, Shiying; Guo, Jiwen}
\itemti{Primitive exponents of a class of $(k+1)$-colored directed graphs.}
\itemso{Math. Appl. 21, No. 4, 778-786 (2008).}
\itemab
Summary: In this paper, we define $(k+1)$-colored directed graphs $D \cal{A}$ with $(k+1)$-cycles and give a necessary and sufficient condition for these directed graphs to be primitive. We obtain the primitive exponent of directed graphs $D \cal{A}$ at the same time.
\itemrv{~}
\itemcc{}
\itemut{cycle; colored digraph; primitive exponent}
\itemli{}
\end