X-Git-Url: http://gitweb.michael.orlitzky.com/?p=mjotex.git;a=blobdiff_plain;f=mjo-cone.tex;h=78e87415f587dddb5832215cf91aad5079d04fd3;hp=35edc8e0199a34212a23011a15ef77ce2b9df2e9;hb=HEAD;hpb=fc7cfa7f3d02715cb09eae2e1c6bc501dc2d8d50

diff --git a/mjo-cone.tex b/mjo-cone.tex
index 35edc8e..00a1309 100644
--- a/mjo-cone.tex
+++ b/mjo-cone.tex
@@ -8,9 +8,12 @@
 \def\havemjocone{1}
 
 
-\usepackage{amssymb} % \succcurlyeq and friends
+\ifx\succcurlyeq\undefined
+  \usepackage{amssymb} % \succcurlyeq, \preccurlyeq
+\fi
 
-\input{mjo-common}
+\input{mjo-common} % for \of, \Rn, etc.
+\input{mjo-linear_algebra} % \Sn and \Hn
 
 % The dual of a subset of an inner-product space; always a closed
 % convex cone.
@@ -20,8 +23,10 @@
 % Common cones.
 %
 
-% The nonnegative orthant in the given number of dimensions.
+% The nonnegative and strictly positive orthants in the given number
+% of dimensions.
 \newcommand*{\Rnplus}[1][n]{ \Rn[#1]_{+} }
+\newcommand*{\Rnplusplus}[1][n]{ \Rn[#1]_{++} }
 
 % The Lorentz ``ice-cream'' cone in the given number of dimensions.
 \newcommand*{\Lnplus}[1][n]{ \mathcal{L}^{{#1}}_{+} }