Question

Equality of certain modules of coinvariants: $(gl(V)^{\otimes n})_{gl(V)}=(gl(V)^{\otimes n})_{GL(V)}=(gl(V)^{\otimes n})_{SL(V)}$

score 58 · Answer 1 · 2026-03-23 02:01:02

58

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Equality of certain modules of coinvariants: $(gl(V)^{\otimes n})_{gl(V)}=(gl(V)^{\otimes n})_{GL(V)}=(gl(V)^{\otimes n})_{SL(V)}$

Published on 23 Mar 2026 - 2:01

score 46 · Answer 2 · 2026-03-22 13:02:30

46

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Sufficient conditions for testing putative primary and secondary invariants

Published on 22 Mar 2026 - 13:02

score 254 · Answer 3 · 2026-03-24 21:44:14

254

Views

Invariant-theory

Published on 24 Mar 2026 - 21:44

score 48 · Answer 4 · 2026-03-22 20:20:45

48

Views

If E and F are both invariants of the assignment, any combination E⊕F will also be invariant - how to combine invariants?

Published on 22 Mar 2026 - 20:20

score 238 · Answer 5 · 2026-03-20 03:12:05

238

Views

$\operatorname{dim}V^G = \operatorname{dim}(V^\ast)^G$, or $G$ linearly reductive implies $V^G$ dual to $(V^\ast)^G$

Published on 20 Mar 2026 - 3:12

score 142 · Answer 6 · 2026-03-20 06:45:36

142

Views

On the right-invariance of the Reynolds Operator

Published on 20 Mar 2026 - 6:45

score 167 · Answer 7 · 2026-03-23 06:21:55

167

Views

The polarization of the determinant is invariant?

Published on 23 Mar 2026 - 6:21

score 102 · Answer 8 · 2026-03-20 05:19:56

102

Views

Product of two elements in a semidirect product with distinct prime powers

Published on 20 Mar 2026 - 5:19

score 264 · Answer 9 · 2026-03-22 17:03:16

264

Views

Largest subgroup in which a given polynomial is invariant.

Published on 22 Mar 2026 - 17:03

score 734 · Answer 10 · 2026-03-22 20:16:01

734

Views

Ring of Invariants of $A_3$

Published on 22 Mar 2026 - 20:16

score 306 · Answer 11 · 2026-03-23 05:27:43

306

Views

Calculating the Ring of Invariant Polynomials for the Action of a Compact Simple Lie Group

Published on 23 Mar 2026 - 5:27

score 110 · Answer 12 · 2026-03-17 21:46:14

110

Views

Invariants of $\mathbb{Z}[x, x^{-1}, y, y^{-1}]$ under actions of finite subgroups in $\text{GL}(2, \mathbb{Z})$

Published on 17 Mar 2026 - 21:46

score 170 · Answer 13 · 2026-03-25 06:03:01

170

Views

Identifying group structure of matrix group

Published on 25 Mar 2026 - 6:03

score 135 · Answer 14 · 2026-03-17 06:15:07

135

Views

What are the invariant factors of $G = (\Bbb Z/12\Bbb Z) \times (\Bbb Z/25 \Bbb Z) \times (\Bbb Z/45\Bbb Z)$?

Published on 17 Mar 2026 - 6:15

score 166 · Answer 15 · 2026-03-17 02:28:47

166

Views

What is the primary decomposition of $Z/70Z \times Z/100Z \times Z/49Z \times Z/40Z$? Its invariant elements?

Published on 17 Mar 2026 - 2:28

List Question

Equality of certain modules of coinvariants: $(gl(V)^{\otimes n})_{gl(V)}=(gl(V)^{\otimes n})_{GL(V)}=(gl(V)^{\otimes n})_{SL(V)}$

Sufficient conditions for testing putative primary and secondary invariants

Invariant-theory

If E and F are both invariants of the assignment, any combination E⊕F will also be invariant - how to combine invariants?

$\operatorname{dim}V^G = \operatorname{dim}(V^\ast)^G$, or $G$ linearly reductive implies $V^G$ dual to $(V^\ast)^G$

On the right-invariance of the Reynolds Operator

The polarization of the determinant is invariant?

Product of two elements in a semidirect product with distinct prime powers

Largest subgroup in which a given polynomial is invariant.

Ring of Invariants of $A_3$

Calculating the Ring of Invariant Polynomials for the Action of a Compact Simple Lie Group

Invariants of $\mathbb{Z}[x, x^{-1}, y, y^{-1}]$ under actions of finite subgroups in $\text{GL}(2, \mathbb{Z})$

Identifying group structure of matrix group

What are the invariant factors of $G = (\Bbb Z/12\Bbb Z) \times (\Bbb Z/25 \Bbb Z) \times (\Bbb Z/45\Bbb Z)$?

What is the primary decomposition of $Z/70Z \times Z/100Z \times Z/49Z \times Z/40Z$? Its invariant elements?

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