Apparently, this user prefers to keep an air of mystery about them.
9 Is there a totally asymmetric 2P $0$-sum game with all payoffs $\pm1$, with a unique Nash eq. which assigns positive probability to each strategy? Sep 20 '12
6 Is the class of cardinals totally ordered? Oct 4 '11
6 Which functions satisfy $\forall n,x,y (x \equiv y \pmod n \implies f(x) \equiv f(y) \pmod n )$? Mar 28 '11
2 Curvature of a vertex in a polyhedral surface Sep 30 '12