Apparently, this user prefers to keep an air of mystery about them.
11 Cross product and pseudovector confusion. dec 24 '12
4 How come in classical mechanics we can get away with writing $a=v(dv/dx)$, treating $v$ as a function of $x$? aug 11 '12
1 Need some help on baby Rudin theorem 6.15 jan 14 '13