Apparently, this user prefers to keep an air of mystery about them.
14 How many of the true sentences are provable? nov 6 '09
10 Ample divisors on projective surfaces oct 17 '11
10 affine open subset of affine scheme jun 12 '13
10 Is the induced ring homomorphism surjective for a finite injective morphism between affine varieties? jan 31 '14