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Apparently, this user prefers to keep an air of mystery about them.

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55 Is the product of symmetric positive semidefinite matrices positive definite? Feb 27 '12
55 Eyebrow-raising pattern of number of primes between terms of the Fibonacci number sequence? May 29 '15
34 A simple way to obtain $\prod_{p\in\mathbb{P}}\frac{1}{1-p^{-s}}=\sum_{n=1}^{\infty}\frac{1}{n^s}$. Jun 24 '13
33 Do We Need the Axiom of Choice for Finite Sets? Apr 16 '12
31 If ord$(a)=m$, ord$(b)=n$ then does there exist $c$ such that ord $(c)=lcm(m,n)$? Nov 3 '11
29 Interior of a convex set is convex Aug 19 '13
25 Proving that the dual of the $\mathcal{l}_p$ norm is the $\mathcal{l}_q$ norm. Dec 27 '12
23 Need help understanding separable polynomials May 19 '12
23 Moment generating functions/ Characteristic functions of $X,Y$ factor implies $X,Y$ independent. Jan 26 '13
22 Does a closed and bounded set in $\mathbb{R}$ necessarily contain its supremum and infimum? Oct 25 '11
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