Apparently, this user prefers to keep an air of mystery about them.
10 Chicken Problem from Terry Tao's blog dec 29
9 Finite dimensional spaces sep 25
8 Where does the proof for commutative rings break down in the non-commutative ring when showing only two ideals implies the ring is a field? dec 19
8 The Cauchy-Schwarz Master Class, Problem $1.2$ dec 19 '13