Apparently, this user prefers to keep an air of mystery about them.
44 Proof of Frullani's theorem Sep 4 '11
16 non-trivial result about integrals due Gromov Oct 17 '11
9 A good book for metric spaces? Dec 8 '11
6 $f:\mathbb R \to \mathbb R $ continuous, with a point of odd period, implies existence of a point of even period Oct 28 '11
6 An explicit example of a differentiable function taking rational values at rational points but whose derivative is irrational at rational points Oct 13 '11
5 Existence of a sequence of continuous functions convergent pointwise to the indicator function of irrational numbers Oct 30 '11