X-Git-Url: http://gitweb.michael.orlitzky.com/?a=blobdiff_plain;f=mjo-cone.tex;h=703ecf44d0d63f2a78ddc51e9a2fac9238adc3f6;hb=66f91bd13a303f46822639420a20b5bffbe7a963;hp=b7bcdab9c9dbe236fecb0142638ed136aac69e07;hpb=cabf89f8e9b033a0a0d0e875886928f227798413;p=mjotex.git

diff --git a/mjo-cone.tex b/mjo-cone.tex
index b7bcdab..703ecf4 100644
--- a/mjo-cone.tex
+++ b/mjo-cone.tex
@@ -4,8 +4,13 @@
 % 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
+
+\ifx\succcurlyeq\undefined
+  \usepackage{amssymb} % \succcurlyeq, \preccurlyeq
+\fi
 
 \input{mjo-common}
 
@@ -27,7 +32,7 @@
 \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