% sets other than cones, but nobody cares.
%
+\usepackage{amssymb} % \succcurlyeq and friends
+
+\input{mjo-common}
+
+%
+% Common cones.
+%
+
+% The nonnegative orthant in the given number of dimensions.
+\newcommand*{\Rnplus}[1][n]{ \Rn[#1]_{+} }
+
+% The Lorentz ``ice-cream'' cone in the given number of dimensions.
+\newcommand*{\Lnplus}[1][n]{ \mathcal{L}^{{#1}}_{+} }
+
+% The PSD cone in a space of symmetric matrices.
+\newcommand*{\Snplus}[1][n]{ \mathcal{S}^{{#1}}_{+} }
+
+% The PSD cone in a space of Hermitian matrices.
+\newcommand*{\Hnplus}[1][n]{ \mathcal{H}^{{#1}}_{+} }
+
+
+%
+% Some collections of linear operators
+%
+
% The set of all S-operators on its argument.
\newcommand*{\Sof}[1]{ \mathbf{S} \of{ {#1} } }
% The space of Lyapunov-like operators on its argument.
\newcommand*{\LL}[1]{ \mathbf{LL}\of{ {#1} } }
-% Display a ``Discrete Complementarity Set'' (DCS). The first argument
-% is the name of the cone, the second argument is a generating set for
-% that cone, and the third argument is a generating set for its dual.
-\newcommand*{\DCS}[3]{ C\of{{#1}} \cap \qty{ {#2} \times {#3} } }
+%
% Cone inequality operators.
-\newcommand*{\gek}{ \succcurlyeq }
-\newcommand*{\gtk}{ \succ }
-\newcommand*{\lek}{ \preccurlyeq }
-\newcommand*{\ltk}{ \prec }
+%
+
+% Standard cone inequalities.
+\newcommand*{\gek}{\succcurlyeq}
+\newcommand*{\gtk}{\succ}
+\newcommand*{\lek}{\preccurlyeq}
+\newcommand*{\ltk}{\prec}
+
% Starred versions of the cone inequality operators.
\newcommand*{\ineqkstar}[1]{ \mathrel{ \overset{ _{\ast} }{ #1 } } }