Apparently, this user prefers to keep an air of mystery about them.
7 Determinant of a linear map given by conjugation Jan 11 '13
4 Finite field extensions of $\mathbb C(t)$ are quotient fields of $\mathbb C[X,Y]$ modulo an irreducible polynomial? Dec 27 '12
2 Quotient map from the $(2n+1)$-dimensional sphere into complex projective space is open. Jan 12 '13
1 Multiple roots of a polynomial in two variables Dec 28 '12
0 Function field has infinitely many valuations. Jan 17 '13