User Chris McDaniel

3 votes

Accepted

Projective dimension and subrings

answered Jan 23 at 16:14

0 votes

Ideal quotient and regular sequences

answered Oct 17, 2023 at 15:38

6 votes

"Upside-down unimodal" sequences in combinatorics

answered Oct 5, 2023 at 5:44

3 votes

Is the sum of a radical ideal and the ideal of a generic linear space intersecting that ideal radical?

answered Feb 21, 2022 at 7:05

1 vote

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Cohen-Macaulay quotient ring and symbolic power

answered Jun 18, 2022 at 18:16

2 votes

Have any long-suspected irrational numbers turned out to be rational?

answered Apr 26, 2022 at 21:48

1 vote

Angle between a point in a convex polytope and the nearest point of a face

answered Mar 23, 2022 at 18:42

1 vote

Annihilators of sum of two ideals

answered Mar 8, 2022 at 21:20

4 votes

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A connection between equivariant and non-equivariant cohomology of toric variety

answered Mar 3, 2022 at 18:21

6 votes

Do power sums determine the variables?

answered Dec 15, 2021 at 3:56

3 votes

On the map $\Phi_M: M\otimes_RM^\xrightarrow{x\otimes y\mapsto \left\{f\mapsto f(x)y\right\}}\text{Hom}_R(M^,M^*) $

answered Sep 30, 2021 at 21:12

-1 votes

Why linear algebra is fun!(or ?)

answered Dec 18, 2018 at 2:41

1 vote

Basis of coinvariant algebra on which reflection group acts as regular representation

answered Apr 30, 2018 at 20:52

1 vote

Question about proof of positive roots under reflection

answered Nov 1, 2017 at 17:34

1 vote

Easy proof that reflections generate $N(T)/T$ for connected compact group?

answered Sep 28, 2017 at 3:20

4 votes

What is the essence of the constant factor in the standard definitions of the discriminant?

answered Sep 7, 2017 at 3:43

2 votes

A search for theorems which appear to have very few, if any hypotheses

answered Feb 18, 2016 at 6:39

2 votes

Invariant polynomials under the action of $H\le\operatorname{GL}_n(\mathbb{F}_p)$

answered Oct 14, 2015 at 19:28

0 votes

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Orientation form on the blow up of a Kaehler manifold

answered Jul 10, 2015 at 15:38

6 votes

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Invertibility of a matrix whose entries are certain binomial coefficients

answered Feb 21, 2015 at 17:01

13 votes

Hard Lefschetz Theorem for the Flag Manifolds

answered Feb 15, 2015 at 4:41

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21 Answers

Projective dimension and subrings

Ideal quotient and regular sequences

"Upside-down unimodal" sequences in combinatorics

Is the sum of a radical ideal and the ideal of a generic linear space intersecting that ideal radical?

Cohen-Macaulay quotient ring and symbolic power

Have any long-suspected irrational numbers turned out to be rational?

Angle between a point in a convex polytope and the nearest point of a face

Annihilators of sum of two ideals

A connection between equivariant and non-equivariant cohomology of toric variety

Do power sums determine the variables?

On the map $\Phi_M: M\otimes_RM^\xrightarrow{x\otimes y\mapsto \left\{f\mapsto f(x)y\right\}}\text{Hom}_R(M^,M^*) $

Why linear algebra is fun!(or ?)

Basis of coinvariant algebra on which reflection group acts as regular representation

Question about proof of positive roots under reflection

Easy proof that reflections generate $N(T)/T$ for connected compact group?

What is the essence of the constant factor in the standard definitions of the discriminant?

A search for theorems which appear to have very few, if any hypotheses

Invariant polynomials under the action of $H\le\operatorname{GL}_n(\mathbb{F}_p)$

Orientation form on the blow up of a Kaehler manifold

Invertibility of a matrix whose entries are certain binomial coefficients

Hard Lefschetz Theorem for the Flag Manifolds