Apparently, this user prefers to keep an air of mystery about them.
12 Why is an injective quasi-coherent sheaf's restriction to an open subset still an injective object? Nov 25 '09
4 Algebraic Varieties which are also Manifolds Dec 1 '09
4 A problem on Algebraic Number Theory, Norm of Ideals Dec 18 '09
4 Function Field of projective space Feb 6 '10
2 Can a non-surjective polynomial map from an infinite field to itself miss only finitely many points? Nov 30 '09