Computer Science – Discrete Mathematics
Scientific paper
2011-01-17
Computer Science
Discrete Mathematics
4 pages, no figures
Scientific paper
We show that if $G$ is a simple triangle-free graph with $n\geq 3$ vertices,
without a perfect matching, and having a minimum degree at least
$\frac{n-1}{2}$, then $G$ is isomorphic either to $C_5$ or to
$K_{\frac{n-1}{2},\frac{n+1}{2}}$.
Mkrtchyan Vahan V.
Petrosyan Petros A.
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