Apparently, this user prefers to keep an air of mystery about them.
22 Is the diameter of a centrally symmetric convex body realized by a pair of antipodal points? Apr 14 '14
17 A direct proof of the Harer-Zagier recursion enumerating the ways to paste a 2n-gon to get a genus g surface? Mar 28 '13
12 Is there a “knot theory” for graphs? Oct 30 '11
9 Unexpected applications of Dvoretzky's theorem Oct 29 '11
8 Erdos-Szekeres in high dimensions Aug 5 '11
6 A Min Max problem for graphs? Is it well-known? Nov 4 '11