Apparently, this user prefers to keep an air of mystery about them.
9 If a formal power series over the complex numbers satisfies a polynomial identity, does it imply that the power series has a radius of convergence? Dec 14 '12
9 Are extensions of profinite groups profinite? Jan 2 '13
5 two non-degenerate quadratic forms on $GF(2)^2r$ Dec 6 '12
2 Finite generation and Henselization Jun 14 '13