%
% Euclidean Jordan algebras.
%
+\ifx\havemjoeja\undefined
+\def\havemjoeja{1}
+
% The jordan product of its two arguments.
%
% into its own LaTeX file; we probably wouldn't want to use \circ as
% a (bilinear) algebra multiplication in any other context.
\newcommand*{\jp}[2]{{#1} \circ {#2}}
+
+
+\fi