Question

Computing $\mathbb{C}[x,y]^G$ or $\mathbb{C}[x,y,z]^G$ where $G$ is a finite subgroup of $GL_n(\mathbb{C})$

score 169 · Answer 1 · 2012-07-14 06:06:32

169

Views

Computing $\mathbb{C}[x,y]^G$ or $\mathbb{C}[x,y,z]^G$ where $G$ is a finite subgroup of $GL_n(\mathbb{C})$

Published on 14 Jul 2012 - 6:06

score 32 · Answer 2 · 2012-07-17 08:18:05

32

Views

Is it possible to have a point $P_1$ not $\chi$-semistable but $P_2$ $\chi$-semistable with these two points in the same orbit?

Published on 17 Jul 2012 - 8:18

score 264 · Answer 3 · 2012-08-13 21:31:57

264

Views

Finite presentation of algebra of invariants

Published on 13 Aug 2012 - 21:31

score 474 · Answer 4 · 2026-03-26 20:38:55

474

Views

How do we know how many branches the inverse function of an elementary function has?

Published on 26 Mar 2026 - 20:38

score 89 · Answer 5 · 2012-09-29 03:06:21

89

Views

Why is it that $\mathbb{C}[\{m_{ij}\}]^{G} \subseteq \mathbb{C}[\textrm{tr}(m),\ldots, \det(m)]$?

Published on 29 Sep 2012 - 3:06

score 243 · Answer 6 · 2012-09-30 04:26:28

243

Views

$GL_2(\mathbb{C})$-invariant ring for $M_2(\mathbb{C})\times M_2(\mathbb{C})$

Published on 30 Sep 2012 - 4:26

score 170 · Answer 7 · 2012-10-28 12:24:02

170

Views

Ring of invariants for $\Sigma_3$

Published on 28 Oct 2012 - 12:24

score 197 · Answer 8 · 2012-10-30 05:15:36

197

Views

What is an example of a syzygy in invariant theory or pre-abstract algebra

Published on 30 Oct 2012 - 5:15

score 63 · Answer 9 · 2012-11-07 15:05:54

63

Views

Ring of invariants for the action of rotation groups in tensors.

Published on 07 Nov 2012 - 15:05

score 244 · Answer 10 · 2012-11-11 16:51:54

244

Views

Describe invariant polynomials under action of commutative group of order eight.

Published on 11 Nov 2012 - 16:51

score 44 · Answer 11 · 2012-11-17 20:22:41

44

Views

Degrees of parabolic subgroups

Published on 17 Nov 2012 - 20:22

score 159 · Answer 12 · 2012-12-05 10:13:13

159

Views

Geometric interpretation for this invariant in square bracket notation?

Published on 05 Dec 2012 - 10:13

score 637 · Answer 13 · 2012-12-12 18:04:23

637

Views

Two questions on Nagata's counterexample to the Hilbert's fourteenth problem.

Published on 12 Dec 2012 - 18:04

score 336 · Answer 14 · 2012-12-13 08:37:50

336

Views

Invariants of binary forms under a $\begin{pmatrix} 1& 1 \\ 0& 1 \end{pmatrix}$ action

Published on 13 Dec 2012 - 8:37

score 2.2k · Answer 15 · 2012-12-17 01:03:45

2.2k

Views

Schur-Weyl Duality ( Classical ) and the Double Commutant reference request

Published on 17 Dec 2012 - 1:03

List Question

Computing $\mathbb{C}[x,y]^G$ or $\mathbb{C}[x,y,z]^G$ where $G$ is a finite subgroup of $GL_n(\mathbb{C})$

Is it possible to have a point $P_1$ not $\chi$-semistable but $P_2$ $\chi$-semistable with these two points in the same orbit?

Finite presentation of algebra of invariants

How do we know how many branches the inverse function of an elementary function has?

Why is it that $\mathbb{C}[\{m_{ij}\}]^{G} \subseteq \mathbb{C}[\textrm{tr}(m),\ldots, \det(m)]$?

$GL_2(\mathbb{C})$-invariant ring for $M_2(\mathbb{C})\times M_2(\mathbb{C})$

Ring of invariants for $\Sigma_3$

What is an example of a syzygy in invariant theory or pre-abstract algebra

Ring of invariants for the action of rotation groups in tensors.

Describe invariant polynomials under action of commutative group of order eight.

Degrees of parabolic subgroups

Geometric interpretation for this invariant in square bracket notation?

Two questions on Nagata's counterexample to the Hilbert's fourteenth problem.

Invariants of binary forms under a $\begin{pmatrix} 1& 1 \\ 0& 1 \end{pmatrix}$ action

Schur-Weyl Duality ( Classical ) and the Double Commutant reference request

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