Apparently, this user prefers to keep an air of mystery about them.
1 Is this thing K-finite? Feb 21 '13
1 Exist $x_0$ such that $f'(x_0)=0$ Oct 18 '12
1 Prove that a family F of analytic functions in closed unit disc D, F is locally uniformly bounded in D if and only if F is uniformly bounded in D Oct 18 '12
1 Prove DeMorgan's Theorem for indexed family of sets. Oct 18 '12
1 Is every free sequence discrete? Feb 26 '13