Apparently, this user prefers to keep an air of mystery about them.
21 How should one think about sheafification and the difference between a sheaf and a presheaf nov 7 '10
14 What determines a model structure? jun 26 '10
13 Galois theory and rational points on elliptic curves dec 16 '09
12 Why does homotopy behave well with respect to fibrations and homology with respect to cofibrations? feb 24 '11
11 Wikipedia's definition of 'locally free sheaf' nov 4 '10
10 Galois group of a product of polynomials feb 8 '10