Ciro Santilli @cirosantilli 37

The Wikipedia page of this article is basically a masterclass why Wikipedia is useless for learning technical subjects. They are not even able to teach such a simple subject properly there!

Bibliography:

See also some remarks of Ciro Santilli's thoughts on the instrument Ciro Santilli's musical education.

$T^{(m,n)}$ has order $(m,n)$

This notation is not so common in basic mathematics, but it is so incredibly convenient, especially with Einstein notation as shown at Section "Einstein notation for partial derivatives":

This notation is similar to partial label partial derivative notation, but it uses indices instead of labels such as $x$, $y$, etc.

They do two things:

TODO why is it so hard to find anything non perturbative :-(

On a quantum computer...: