user717

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ag.algebraic-geometry

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Questions

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83

What is a cohomology theory (seriously)?

Nov 19, 2009

45

Universal definition of tangent spaces (for schemes and manifolds)

Nov 4, 2009

38

Definitions of Hecke algebras

Nov 7, 2009

37

Why is Milnor K-theory not ad hoc?

Nov 5, 2009

29

Errata database?

Oct 28, 2009

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38

Why are flat morphisms "flat?"

Nov 25, 2009

19

Closed vs Rational Points on Schemes

Feb 2, 2010

18

Preschemes and schemes

Jan 10, 2010

14

What out-of-print books would you like to see re-printed?

Mar 15, 2010

14

Quotient of a Hausdorff topological group by a closed subgroup

Dec 15, 2009

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ag.algebraic-geometry

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+10

What are the motivations for studying Cherednik (symplectic reflection, graded Hecke) algebras?

+10

Errata database?

+10

Realizations and pinnings (épinglages) of reductive groups

+10

Infinite products of topological groups

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Nov 17, 2009
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Apr 10, 2020

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