User David E Speyer

14 votes

4 answers

3k views

Does Weyl's Inequality prove equidistribution?

asked Aug 17, 2010 at 20:14

6 votes

1 answer

412 views

Relations between relations in the positive braid monoid

asked Feb 17 at 20:06

27 votes

4 answers

4k views

Rolling without slipping interpretation of torsion

asked Jan 26, 2011 at 19:10

16 votes

1 answer

705 views

Inequalities for marginals of distribution on hyperplane

asked Jun 1, 2016 at 3:13

23 votes

2 answers

3k views

Calculating Mayer-Vietoris efficiently

asked Mar 15, 2012 at 0:51

74 votes

9 answers

15k views

What is Lagrange Inversion good for?

asked Jul 16, 2010 at 1:25

17 votes

2 answers

726 views

Equivariant Möbius inversion

asked Jul 22, 2018 at 14:20

11 votes

2 answers

376 views

When is the poset of acyclic orientations of a graph a lattice?

asked Jul 17, 2019 at 16:06

27 votes

5 answers

3k views

What is induction up to $\varepsilon_0$?

asked Nov 11, 2009 at 16:02

15 votes

1 answer

285 views

Is a generic genus $g \geq 7$ curve a solvable cover of $\mathbb{P}^1$?

asked May 22, 2023 at 13:13

19 votes

2 answers

1k views

Hopf algebra reference

asked Oct 22, 2009 at 22:30

116 votes

5 answers

32k views

How did Cole factor $2^{67}-1$ in 1903?

asked May 22, 2015 at 15:33

5 votes

0 answers

152 views

Cohen-Macaulayness of rings of polynomials vanishing at points

asked Mar 16, 2023 at 20:32

21 votes

4 answers

2k views

Rhombus tilings with more than three directions

asked Oct 17, 2011 at 2:00

10 votes

2 answers

435 views

A category of spaces in which $\mathbb{R}_{>0}$ is not isomorphic to $\mathbb{R}$

asked Oct 25, 2022 at 14:12

18 votes

2 answers

931 views

Has anyone seen this construction of the Weil representation of $\mathrm{Sp}_{2k}(\mathbb{F}_p)$?

asked Oct 14, 2022 at 2:05

33 votes

3 answers

3k views

Can assignment solve stable marriage?

asked Nov 12, 2010 at 15:04

6 votes

1 answer

293 views

Distributive lattice of subspaces

asked Jul 29, 2022 at 16:13

8 votes

1 answer

358 views

Two dice yielding uniform distribution, part 2

asked Jul 20, 2022 at 1:44

15 votes

2 answers

649 views

Indecomposable contracting maps on the integers

asked May 20, 2022 at 18:52

7 votes

1 answer

217 views

Is a $k[G]$-module which is free on every cyclic subgroup free?

asked Apr 19, 2022 at 16:55

19 votes

1 answer

1k views

When should I expect a quiver with potential to be rigid?

asked Oct 21, 2009 at 14:37

8 votes

1 answer

214 views

Coordinates on $N_+ \backslash \overline{B_+ w B_+} / N_+$

asked Mar 14, 2022 at 14:56

32 votes

3 answers

2k views

A double grading of catalan numbers

asked May 25, 2013 at 3:22

12 votes

2 answers

476 views

Lattice structure in the root poset

asked May 21, 2020 at 15:24

8 votes

1 answer

499 views

Why is the $\operatorname{GL}_n$ character variety "cohomologically" the product of the $\operatorname{PGL}_n$ character variety and a torus?

asked Oct 21, 2021 at 2:58

14 votes

3 answers

3k views

References for equivariant K-theory

asked Nov 18, 2009 at 17:40

1 vote

0 answers

95 views

Group where Out(G) acts differently on conjugacy classes and irreps? [duplicate]

asked May 28, 2021 at 13:04

16 votes

5 answers

5k views

When are dual modules free?

asked Nov 8, 2009 at 4:15

14 votes

1 answer

281 views

Lower bounds for class number of function fields with fixed $q$, growing $g$

asked Apr 10, 2021 at 1:39

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126 Questions

Does Weyl's Inequality prove equidistribution?

Relations between relations in the positive braid monoid

Rolling without slipping interpretation of torsion

Inequalities for marginals of distribution on hyperplane

Calculating Mayer-Vietoris efficiently

What is Lagrange Inversion good for?

Equivariant Möbius inversion

When is the poset of acyclic orientations of a graph a lattice?

What is induction up to $\varepsilon_0$?

Is a generic genus $g \geq 7$ curve a solvable cover of $\mathbb{P}^1$?

Hopf algebra reference

How did Cole factor $2^{67}-1$ in 1903?

Cohen-Macaulayness of rings of polynomials vanishing at points

Rhombus tilings with more than three directions

A category of spaces in which $\mathbb{R}_{>0}$ is not isomorphic to $\mathbb{R}$

Has anyone seen this construction of the Weil representation of $\mathrm{Sp}_{2k}(\mathbb{F}_p)$?

Can assignment solve stable marriage?

Distributive lattice of subspaces

Two dice yielding uniform distribution, part 2

Indecomposable contracting maps on the integers

Is a $k[G]$-module which is free on every cyclic subgroup free?

When should I expect a quiver with potential to be rigid?

Coordinates on $N_+ \backslash \overline{B_+ w B_+} / N_+$

A double grading of catalan numbers

Lattice structure in the root poset

Why is the $\operatorname{GL}_n$ character variety "cohomologically" the product of the $\operatorname{PGL}_n$ character variety and a torus?

References for equivariant K-theory

Group where Out(G) acts differently on conjugacy classes and irreps? [duplicate]

When are dual modules free?

Lower bounds for class number of function fields with fixed $q$, growing $g$