Fundamental Binor Identity
The fundamental binor identity for $2\times2$ matrices (and hopefully variations to be added in the future).

Source Code
$$
\tikz[xscale=.6]{\draw(0,0)to[wavyup](1,1);\draw(1,0)to[wavyup](0,1);}
=\tikz[xscale=.6]{\draw(0,0)to[wavyup](.1,.5)to[wavyup](0,1);\draw(1,0)to[wavyup](.9,.5)to[wavyup](1,1);}
-\tikz[xscale=.6]{\draw(0,0)to[out=90,in=90](1,0);\draw(0,1)to[out=-90,in=-90](1,1);}
$$
page revision: 2, last edited: 28 Oct 2008 11:49