User Qiao

27 votes

1 answer

1k views

Good ways to organize old personal mathematical resources

soft-question mathematical-writing

asked Jul 7, 2014 at 0:46

23 votes

9 answers

2k views

expository papers related to quantum groups

asked Dec 3, 2012 at 2:26

20 votes

5 answers

4k views

On the generalized Gauss-Bonnet theorem

dg.differential-geometry differential-topology

asked Dec 29, 2011 at 16:15

9 votes

1 answer

2k views

basic questions on quantum integrable systems

mp.mathematical-physics quantum-mechanics quantum-field-theory integrable-systems quantization

asked Nov 23, 2012 at 17:23

8 votes

2 answers

1k views

Global Affine Flag Variety and Affine Flag Variety

ag.algebraic-geometry at.algebraic-topology rt.representation-theory algebraic-groups geometric-representation-theory

asked Jan 22, 2015 at 22:17

7 votes

1 answer

802 views

Curvature and Riemannian metric

dg.differential-geometry

asked Jan 22, 2011 at 14:25

6 votes

1 answer

421 views

Lattice model for Affine Grassmannians of non type A

ag.algebraic-geometry co.combinatorics rt.representation-theory lie-groups loop-groups

asked Oct 24, 2014 at 3:07

6 votes

1 answer

609 views

Bialynicki-Birula Decomposition and moment polytopes/graphs

ag.algebraic-geometry co.combinatorics at.algebraic-topology rt.representation-theory sg.symplectic-geometry

asked Oct 31, 2017 at 15:16

5 votes

0 answers

164 views

Intersections of the B-orbits and the orbits of some other Borel subgroups in the flag variety G/B

ag.algebraic-geometry co.combinatorics rt.representation-theory lie-groups flag-varieties

asked Feb 25, 2015 at 1:36

5 votes

1 answer

424 views

Intersections of $B$ and $B^-$ orbits in the flag variety $G/B$

ag.algebraic-geometry rt.representation-theory lie-groups algebraic-groups flag-varieties

asked Jan 13, 2015 at 22:15

5 votes

0 answers

397 views

Cohomology of Bott-Samelson varieties?

ag.algebraic-geometry reference-request at.algebraic-topology rt.representation-theory lie-groups

asked Jul 4, 2014 at 5:19

5 votes

2 answers

4k views

Killing vectors and Ricci Tensor

general-relativity dg.differential-geometry

asked Nov 25, 2010 at 15:21

4 votes

1 answer

912 views

How to think about the simple reflection s_0 in the affine Weyl group?

gr.group-theory rt.representation-theory lie-groups algebraic-groups coxeter-groups

asked Jan 3, 2015 at 23:39

4 votes

0 answers

181 views

Fibers of torus equivariant moment maps

ag.algebraic-geometry co.combinatorics rt.representation-theory sg.symplectic-geometry affine-grassmannian

asked Nov 20, 2015 at 22:46

4 votes

1 answer

642 views

Equi-dimensionality of special fibers in a flat family

ag.algebraic-geometry ac.commutative-algebra

asked Mar 2, 2016 at 17:30

3 votes

1 answer

206 views

Singularity of torus fixed points from combinatorial data

ag.algebraic-geometry reference-request co.combinatorics at.algebraic-topology sg.symplectic-geometry

asked Nov 28, 2017 at 20:08

3 votes

5 answers

2k views

Elliptic curves and algebraic stacks

ag.algebraic-geometry

asked Jul 20, 2010 at 16:01

3 votes

1 answer

877 views

A basic question related to Hamiltonian isotopy in symplectic geometry

sg.symplectic-geometry symplectic-topology

asked Apr 20, 2013 at 3:39

3 votes

2 answers

551 views

Closure relations between Bruhat cells on the flag variety

ag.algebraic-geometry at.algebraic-topology rt.representation-theory lie-groups lie-algebras

asked Dec 5, 2014 at 4:05

2 votes

2 answers

305 views

Embed one Coxeter System into another

reference-request co.combinatorics coxeter-groups

asked Aug 14, 2014 at 16:29

2 votes

0 answers

341 views

$G$-equivariant coherent sheaves on Bott$-$Samelson resolutions

ag.algebraic-geometry co.combinatorics rt.representation-theory complex-geometry coherent-sheaves

asked Oct 5, 2014 at 2:27

2 votes

1 answer

405 views

Fibers of the Bott-Samelson Resolution of Schubert Varieties

ag.algebraic-geometry rt.representation-theory lie-groups

asked Jul 10, 2014 at 2:26

2 votes

2 answers

686 views

Du Val Singularities and Dynkin diagrams references

ag.algebraic-geometry rt.representation-theory

asked Sep 7, 2012 at 2:30

2 votes

4 answers

2k views

Suitable references for the the Stone-von Neumann Theorem

mp.mathematical-physics fa.functional-analysis harmonic-analysis

asked May 10, 2011 at 0:48

2 votes

1 answer

2k views

fourier transform on an interval?

fourier-analysis mp.mathematical-physics

asked Jun 15, 2011 at 4:15

2 votes

1 answer

244 views

connectedness of fibers of torus-equivariant moment maps

ag.algebraic-geometry co.combinatorics at.algebraic-topology rt.representation-theory sg.symplectic-geometry

asked Oct 25, 2017 at 21:09

1 vote

1 answer

377 views

Flat family: limit of intersection vs intersection of limits

ag.algebraic-geometry ac.commutative-algebra

asked Mar 3, 2016 at 16:56

1 vote

1 answer

329 views

Examples of nontrivial local systems in Decomposition Theorem

ag.algebraic-geometry at.algebraic-topology examples perverse-sheaves sheaf-theory

asked Jul 24, 2014 at 3:52

0 votes

0 answers

222 views

Toric morphism fiber and kernel dimensions

ag.algebraic-geometry co.combinatorics combinatorial-geometry

asked Jun 25, 2014 at 17:22

0 votes

1 answer

317 views

Moment maps and flat degenerations of toric varieties

ag.algebraic-geometry co.combinatorics at.algebraic-topology sg.symplectic-geometry toric-varieties

asked May 28, 2015 at 18:44

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30 Questions

Good ways to organize old personal mathematical resources

expository papers related to quantum groups

On the generalized Gauss-Bonnet theorem

basic questions on quantum integrable systems

Global Affine Flag Variety and Affine Flag Variety

Curvature and Riemannian metric

Lattice model for Affine Grassmannians of non type A

Bialynicki-Birula Decomposition and moment polytopes/graphs

Intersections of the B-orbits and the orbits of some other Borel subgroups in the flag variety G/B

Intersections of $B$ and $B^-$ orbits in the flag variety $G/B$

Cohomology of Bott-Samelson varieties?

Killing vectors and Ricci Tensor

How to think about the simple reflection s_0 in the affine Weyl group?

Fibers of torus equivariant moment maps

Equi-dimensionality of special fibers in a flat family

Singularity of torus fixed points from combinatorial data

Elliptic curves and algebraic stacks

A basic question related to Hamiltonian isotopy in symplectic geometry

Closure relations between Bruhat cells on the flag variety

Embed one Coxeter System into another

$G$-equivariant coherent sheaves on Bott$-$Samelson resolutions

Fibers of the Bott-Samelson Resolution of Schubert Varieties

Du Val Singularities and Dynkin diagrams references

Suitable references for the the Stone-von Neumann Theorem

fourier transform on an interval?

connectedness of fibers of torus-equivariant moment maps

Flat family: limit of intersection vs intersection of limits

Examples of nontrivial local systems in Decomposition Theorem

Toric morphism fiber and kernel dimensions

Moment maps and flat degenerations of toric varieties