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