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'null graph'
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| Title of object: |
null graph |
| Canonical Name: |
NullGraph |
| Type: |
Definition |
| Created on: |
2002-06-24 19:38:14 |
| Modified on: |
2004-04-30 11:40:13 |
| Classification: |
msc:05C99 |
Revision comment (for changes between this and next version):
| Changes for correction #3966 ('broken'). |
Preamble:
% this is the default PlanetMath preamble. as your knowledge
% of TeX increases, you will probably want to edit this, but
% it should be fine as is for beginners.
% almost certainly you want these
\usepackage{amssymb}
\usepackage{amsmath}
\usepackage{amsfonts}
% used for TeXing text within eps files
\usepackage{psfrag}
% need this for including graphics (\includegraphics)
\usepackage{graphicx}
% for neatly defining theorems and propositions
%\usepackage{amsthm}
% making logically defined graphics
%\usepackage{xypic}
% there are many more packages, add them here as you need them
% define commands here |
Content:
The null graph is the graph with no vertices or edges. The null graph is the initial object in the category of graphs.
{\bf Further Reading}
\begin{itemize}
\item Harary, F. and Read, R. ``Is the null-graph a pointless concept?", Lecture Notes in Mathematics 406 (1974), pp. 37-44.
\end{itemize} |
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