28

Answers
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1
A_infinity structure on cohomology and the weight filtration
6
Intersection of all normalizers
9
Faithfulness of derived functor.
48
Blackbox Theorems (2)
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Does the Riemann-Hilbert Correspondence work at the DG level?
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Has there been any application of tensor species?
4
moduli problem for flag varieties?
1
Distinguished triangle of closed - open partition, for D-modules
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Combinatorial results without known combinatorial proofs
8
Can we define homotopy groups using Tannakian categories
3
Applications of the “other” definition of Sheaves
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Characterizing specific “concrete” mathematical objects by abstract general properties
15
Most striking applications of category theory?
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Differential operators on M/G are factor of invariant differential operators on M ? (Quantization commute with reduction ) What is state of art ?
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Things that should be positive integers…really?
3
Which commutative algebras admit a nonzero Poisson bracket?
9
Awfully sophisticated proof for simple facts (2)
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What is the general geometric interpretation of modules in algebraic geometry?
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Is the direct image of a constant sheaf a constant sheaf?
7
Unit ideal in non-commutative rings
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Suggestions for good notation
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intermediate/middle extension of perverse sheaves
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Graded local rings versus local rings
2
Subspaces of finite codimension in Banach spaces
19
nontrivial theorems with trivial proofs
3
Best online mathematics videos? (2)
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When does ‘positive’ imply ‘sum of squares’?
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Does a locally free sheaf over a product pushforward to a locally free sheaf?