1 %auto-ignore

     1 %auto-ignore

     2 %!TEX root = blob1.tex

     2 %!TEX root = blob1.tex

     3 %this ensures the arxiv doesn't try to start TeXing here.

     3 %this ensures the arxiv doesn't try to start TeXing here.

     4 

     4 

     6 \usepackage{ifpdf}

     6 \usepackage{ifpdf}

     7 

     7 

     8 %\ifpdf

     8 %\ifpdf

     9 %\usepackage[pdftex,all,color]{xy}

     9 %\usepackage[pdftex,all,color]{xy}

    10 %\else

    10 %\else

    11 \usepackage[all,color]{xy}

    11 \usepackage[all,color]{xy}

    12 %\fi

    12 %\fi

    13 

    13 

    14 \usepackage{leftidx}

    15 \usepackage{leftidx}

    15 

    16 

    16 \SelectTips{cm}{}

    17 \SelectTips{cm}{}

    17 % This may speed up compilation of complex documents with many xymatrices.

    18 % This may speed up compilation of complex documents with many xymatrices.

    18 %\CompileMatrices

    19 %\CompileMatrices