X-Git-Url: http://gitweb.michael.orlitzky.com/?a=blobdiff_plain;f=mjo-cone.tex;h=a9f06fe49ca1fcebefd3c3719f542fc7d9af745c;hb=0764c4b643f444e4e46c6b3481ba32962bee5bfe;hp=b770d753ec3ad8855a0ab91081550ee106737056;hpb=2de2a8ba6c344269da825553bde45f6d49c91a88;p=mjotex.git

diff --git a/mjo-cone.tex b/mjo-cone.tex
index b770d75..a9f06fe 100644
--- a/mjo-cone.tex
+++ b/mjo-cone.tex
@@ -4,10 +4,15 @@
 % The operator families Z(K), LL(K), etc. can technically be defined on
 % sets other than cones, but nobody cares.
 %
+\ifx\havemjocone\undefined
+\def\havemjocone{1}
 
-\usepackage{amssymb} % \succcurlyeq and friends
 
-\input{mjo-common}
+\ifx\succcurlyeq\undefined
+  \usepackage{amssymb} % \succcurlyeq, \preccurlyeq
+\fi
+
+\input{mjo-common} % for \of, at least
 
 % The dual of a subset of an inner-product space; always a closed
 % convex cone.
@@ -24,10 +29,10 @@
 \newcommand*{\Lnplus}[1][n]{ \mathcal{L}^{{#1}}_{+} }
 
 % The PSD cone in a space of symmetric matrices.
-\newcommand*{\Snplus}[1][n]{ \mathcal{S}^{{#1}}_{+} }
+\newcommand*{\Snplus}[1][n]{ \Sn[#1]_{+} }
 
 % The PSD cone in a space of Hermitian matrices.
-\newcommand*{\Hnplus}[1][n]{ \mathcal{H}^{{#1}}_{+} }
+\newcommand*{\Hnplus}[1][n]{ \Hn[#1]_{+} }
 
 
 %
@@ -67,3 +72,6 @@
 \newcommand*{\gtcone}{\succ}
 \newcommand*{\lecone}{\preccurlyeq}
 \newcommand*{\ltcone}{\prec}
+
+
+\fi