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05B15-ExampleOfLatinSquares.tex
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05B15-ExampleOfLatinSquares.tex
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\documentclass[12pt]{article}
\usepackage{pmmeta}
\pmcanonicalname{ExampleOfLatinSquares}
\pmcreated{2013-03-22 13:06:41}
\pmmodified{2013-03-22 13:06:41}
\pmowner{jgade}{861}
\pmmodifier{jgade}{861}
\pmtitle{example of Latin squares}
\pmrecord{6}{33539}
\pmprivacy{1}
\pmauthor{jgade}{861}
\pmtype{Example}
\pmcomment{trigger rebuild}
\pmclassification{msc}{05B15}
\endmetadata
% 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
% making logically defined graphics
%%%\usepackage{xypic}
\begin{document}
It is easily shown that the multiplication table (Cayley-table) of a group has exactly these properties and thus are Latin squares. However the converse is not true, ie. not all Latin squares are multiplication tables for a group (the smallest counter example is a Latin square of order 5).
%%%%%
%%%%%
\end{document}