size (of a graph)SizeOfAGraph2002-03-07 11:28:082007-06-01 14:36:43Definition% this is the default PlanetMath preamble. as your knowledge
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\usepackage{amssymb}
\usepackage{amsmath}
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% define commands hereThe \emph{size} of a graph $G$ is the number of edges in $G$; it is denoted by $e(G)$. $G(n,m)$ denotes an \emph{arbitrary graph of order n and size m}.
\footnotesize{Adapted with permission of the author from \emph{\PMlinkescapetext{Modern Graph Theory}} by B\'{e}la Bollob\'{a}s, published by Springer-Verlag New York, Inc., 1998.}