Allen Knutson's user avatar
Allen Knutson's user avatar
Allen Knutson's user avatar
Allen Knutson
  • Member for 14 years, 5 months
  • Last seen more than a week ago
2 votes
Accepted

Searching for resolutions of generalized determinental varieties

3 votes

Geometric foundation of the Grothendieck polynomials

2 votes

Verma modules and Borel–Weil

4 votes

Weyl's Branching Rule for $SU(N)$-Setting

17 votes

Reference request: Grassmannian and Plucker coordinates in type B, C, D

2 votes
Accepted

Quiver variety analogue of Grothendieck-Springer resolution

18 votes
Accepted

Proving Positivity for Schubert Calculus

1 vote

Linear sections of $Gr(V,2)$

2 votes

$SO(6) \to SU(2) \times SU(2) \times U(1)$ branching rules

2 votes

Degeneration of coadjoint orbits

2 votes
Accepted

Is the action $T \times G \to G$ Poisson?

3 votes

The geometry of the solution set of a symmetric equation in four symmetric matrices

24 votes

Peter-Weyl vs. Schur-Weyl theorem

5 votes
Accepted

Is there a relationship between the moduli space of spatial polygons and the moduli space of labeled points?

1 vote

Question on irreducible representation of tensor products

4 votes

The Analog of Borel Subgroup in a Compact Real Form

3 votes

Toric variety defined by the Weyl orbit of a minuscule weight

5 votes
Accepted

Sheaf cohomology of the universal sub and quotient bundles of the Grassmannian

7 votes
Accepted

How to write down the map $T(V)_n \to S(Lie(V))_n$ explicitly?

5 votes
Accepted

Canonical sheaf of affine variety

2 votes
Accepted

Zero dimensional components of an intersection

18 votes

Why study Higher Sheaf Cohomology?

5 votes

Dimension of the zero weight space in $V_{2\rho}$

3 votes

Analogy of a Fano manifold with anticanonical divisor

4 votes

Examples of calculating perverse sheaves on algebraic varieties with easy stratification

12 votes

Examples of theorems with proofs that have dramatically improved over time

1 vote

Nonempty intersection in Grassmannian

1 vote
Accepted

Global sections of G/B and G/P

4 votes

Derive a vertex representation of a permutohedron from its linear-inequalities form

1 vote
Accepted

Elementary question: Intuition for equivariant cohomology

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