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roger123
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question
45
How should one think about sheafification and the difference between a sheaf and a presheaf
Nov 7, 2010
question
39
Why do finite homotopy groups imply finite homology groups?
Dec 20, 2009
question
30
Why are tensors a generalization of scalars, vectors, and matrices?
Mar 18, 2010
question
19
What determines a model structure?
Jun 26, 2010
question
17
Why does homotopy behave well with respect to fibrations and homology with respect to cofibrations?
Feb 24, 2011
question
16
Algebraic analogue of the Moebius bundle over the circle
Nov 9, 2010
question
14
Galois theory and rational points on elliptic curves
Dec 16, 2009
question
13
Galois group of a product of polynomials
Feb 8, 2010
question
13
Wikipedia's definition of 'locally free sheaf'
Nov 4, 2010
question
11
K-theory as a generalized cohomology theory
Mar 17, 2010