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Top Questions
13
votes
Outer automorphism action on representations of $S_6$
reference-request
rt.representation-theory
permutation-groups
asked Aug 23, 2017 at 20:15
mathoverflow.net
11
votes
Highest weights of the restriction of an irreducible representation of a simple group to a Levi subgroup
algebraic-groups
rt.representation-theory
asked Aug 16, 2010 at 21:15
mathoverflow.net
10
votes
Littlewood-Richardson rule and commutativity morphism
rt.representation-theory
algebraic-groups
asked Sep 14, 2010 at 8:37
mathoverflow.net
8
votes
Universal non-degenerate map over the space of complete linear maps
ag.algebraic-geometry
moduli-spaces
universal-property
asked Oct 30, 2010 at 11:10
mathoverflow.net
7
votes
Flatly compactifiable morphisms
ag.algebraic-geometry
compactifications
asked Oct 11, 2010 at 16:48
mathoverflow.net
Top Answers
43
Sheaves without global sections
mathoverflow.net
32
How do you describe vector bundles on elliptic curves?
mathoverflow.net
29
Extending vector bundles on a given open subscheme, reprise
mathoverflow.net
29
Composing left and right derived functors
mathoverflow.net
29
A down-to-earth introduction to the uses of derived categories
mathoverflow.net
22
Understanding Adjointness of Sheaves in Algebraic Geometry
mathoverflow.net
22
Push-forward of locally free sheaves
mathoverflow.net
20
Is there a lift of the q-Vandermonde identity to some geometric (motivic) identity for Grassmannians over $F_q$?
mathoverflow.net
20
Natural examples of sequences of adjoint functors
mathoverflow.net
19
Automorphisms of a weighted projective space
mathoverflow.net
18
Applications of Grothendieck-Riemann-Roch?
mathoverflow.net
17
Is Tor always torsion?
mathoverflow.net
17
When does the direct image functor commute with tensor products?
mathoverflow.net
17
Extending vector bundles on a given open subscheme
mathoverflow.net
16
The derived category of the heart of a t-structure
mathoverflow.net
16
Duals and Tensor products
mathoverflow.net
16
Reference request: Grassmannian and Plucker coordinates in type B, C, D
mathoverflow.net
15
Atiyah class for non-locally free sheaf
mathoverflow.net
15
Morphism between projective varieties
mathoverflow.net
15
Does a resolution of a rational singularity have rationally connected fibers?
mathoverflow.net
15
Abel-Jacobi map on symmetric product of genus 4 curve
mathoverflow.net
15
Map of Grassmannians associated with a Veronese embedding
mathoverflow.net
14
Chern classes in flat families
mathoverflow.net
14
schemes having same reduced underlying space and same cotangent sheaf are isomorphic?
mathoverflow.net
14
The ring of global sections of a regular scheme
mathoverflow.net
14
If $X$ is a smooth $G$-variety with trivial canonical bundle, then does $X^G$ also have trivial canonical bundle?
mathoverflow.net
14
Two definitions of a projective morphism
math.stackexchange.com
13
Planes in Lagrangian Grassmannians
mathoverflow.net
13
What is a good introductory text for moduli theory?
mathoverflow.net
13
Are Du Val singularities smoothable?
mathoverflow.net
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