User Richard Stanley

8 votes

1 answer

357 views

Eigenvalues of a certain combinatorially defined matrix

asked Dec 7 at 21:13

8 votes

0 answers

198 views

Is the order complex of open Bruhat intervals polytopal?

asked Feb 20, 2020 at 22:02

8 votes

2 answers

414 views

Recovering eigenvalues of a matrix from its $p$th compound matrix

asked Feb 23, 2022 at 21:56

8 votes

1 answer

135 views

Characteristic polynomial of a matrix related to pairs of elements generating $\mathbb{Z}/n\mathbb{Z}$

asked Nov 20, 2020 at 3:34

8 votes

0 answers

240 views

Scalar products on symmetric functions behaving like the Macdonald scalar product

asked Apr 22, 2022 at 20:34

8 votes

2 answers

386 views

Coefficients of shifted Bernoulli polynomials

asked May 2, 2018 at 19:34

8 votes

2 answers

392 views

Decidability of a matrix product being the identity

asked Feb 1, 2014 at 19:39

7 votes

2 answers

282 views

Nonextendable partial Hadamard matrices

asked Mar 16, 2014 at 12:42

7 votes

1 answer

229 views

Integer points in dilations of a disk of volume one

asked Jan 20, 2012 at 16:16

7 votes

0 answers

177 views

Szemerédi's regularity lemma for binary operations

asked Sep 24, 2020 at 19:38

7 votes

0 answers

169 views

Limiting behavior of a sequence of polynomials

asked Mar 29, 2021 at 1:42

7 votes

0 answers

130 views

Generalized Brunnian links

asked May 28, 2020 at 18:27

7 votes

0 answers

154 views

On the isomorphism of the lattices of submodules of certain free modules

asked Nov 14, 2019 at 22:11

6 votes

0 answers

635 views

Coefficients of some infinite product power series

asked Jul 5, 2019 at 23:27

6 votes

2 answers

207 views

A limit obtained from a probability distribution on the positive integers

asked Mar 7, 2019 at 20:16

6 votes

0 answers

217 views

A Plücker coordinate matroid

asked Oct 16, 2022 at 2:11

6 votes

0 answers

115 views

Probability of a maximal chain in a random subposet of a finite poset

asked Oct 12, 2017 at 2:00

5 votes

1 answer

2k views

Nice partition of $\mathbb{R}$ into uncountably many uncountable sets

asked May 21, 2018 at 21:51

5 votes

0 answers

181 views

Extrapolation between longest increasing and longest alternating subsequences

asked Jun 25, 2015 at 4:23

5 votes

2 answers

217 views

Topology of a union of facets of a convex polytope

asked Dec 29, 2022 at 19:30

5 votes

0 answers

302 views

Which coefficient of a chromatic polynomial is the largest?

asked Mar 2, 2023 at 21:33

4 votes

0 answers

169 views

Largest rank-selected Möbius function of a product of chains

asked Jun 4, 2023 at 2:47

3 votes

2 answers

764 views

A limit involving the quotient of two sums

asked Mar 3, 2023 at 0:54

3 votes

1 answer

124 views

Provenance of a result on regular simplices with integer vertices

asked Jul 16, 2019 at 20:12

3 votes

0 answers

124 views

Number of adjoint orbits containing a $(0,1)$-matrix

asked Nov 30, 2019 at 0:54

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85 Questions

Eigenvalues of a certain combinatorially defined matrix

Is the order complex of open Bruhat intervals polytopal?

Recovering eigenvalues of a matrix from its $p$th compound matrix

Characteristic polynomial of a matrix related to pairs of elements generating $\mathbb{Z}/n\mathbb{Z}$

Scalar products on symmetric functions behaving like the Macdonald scalar product

Coefficients of shifted Bernoulli polynomials

Decidability of a matrix product being the identity

Nonextendable partial Hadamard matrices

Integer points in dilations of a disk of volume one

Szemerédi's regularity lemma for binary operations

Limiting behavior of a sequence of polynomials

Generalized Brunnian links

On the isomorphism of the lattices of submodules of certain free modules

Coefficients of some infinite product power series

A limit obtained from a probability distribution on the positive integers

A Plücker coordinate matroid

Probability of a maximal chain in a random subposet of a finite poset

Nice partition of $\mathbb{R}$ into uncountably many uncountable sets

Extrapolation between longest increasing and longest alternating subsequences

Topology of a union of facets of a convex polytope

Which coefficient of a chromatic polynomial is the largest?

Largest rank-selected Möbius function of a product of chains

A limit involving the quotient of two sums

Provenance of a result on regular simplices with integer vertices

Number of adjoint orbits containing a $(0,1)$-matrix