Second year graduate student at UPenn.
10 Why is an injective quasi-coherent sheaf's restriction to an open subset still an injective object? Nov 25 '09
8 Blow up along codimension one closed subscheme Jan 6 '10
7 finite surjective l.c.i morphism is flat Dec 2 '09
4 The inverse limit of locally free module Dec 12 '09