List questions from geometric-invariant-theory

Published on 13 Dec 2013 - 15:14

371

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Linearization of a group action: why the map is equivariant?

Published on 20 Feb 2014 - 1:09

97

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Stability and the Hilbert Polynomial of an Image

Published on 08 Nov 2017 - 0:22

99

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How to compute $ \mathbb{C}[p_1, q_1, p_2, q_2]^{\mathcal{S}_2}$ under $(p_1, q_1) \leftrightarrow (p_2, q_2)$?

Published on 08 Nov 2017 - 10:11

67

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Canonical forms of the natural action of $O(n,\mathbb{C})$ on $sym(n,\mathbb{C})$

Published on 17 Nov 2017 - 1:13

551

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Does this categorical quotient exist?

Published on 17 Dec 2017 - 6:25

508

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GIT-Quotient of $\mathbb{C}^*$ acting on $\mathbb{C}^{m+1}$

Published on 10 Jan 2018 - 16:33

96

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Does a one-parameter subgroup of a reductive group 'act reductively'?

Published on 25 Mar 2026 - 17:43

278

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A condition in the definition of geometric quotient

Published on 25 Mar 2026 - 7:06

379

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GIT quotient for a certain torus action on an affine space

Published on 25 Mar 2026 - 15:58

183

Views

Reference for the Hilbert scheme of points as GIT quotient

Published on 21 Sep 2020 - 12:30

157

Views

Help with an algebraic geometry result

Published on 04 Dec 2020 - 22:57

245

Views

Example of G-invariant ideal

Published on 05 Dec 2020 - 23:09

309

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Why are finite groups linearly reductive?

Published on 04 Feb 2021 - 15:49

64

Views

Understanding (GIT) quotient by action on End(W)

Published on 25 Mar 2021 - 12:13

List Question

Geometric intuition for linearizing algebraic group action

Linearization of a group action: why the map is equivariant?

Stability and the Hilbert Polynomial of an Image

How to compute $ \mathbb{C}[p_1, q_1, p_2, q_2]^{\mathcal{S}_2}$ under $(p_1, q_1) \leftrightarrow (p_2, q_2)$?

Canonical forms of the natural action of $O(n,\mathbb{C})$ on $sym(n,\mathbb{C})$

Does this categorical quotient exist?

GIT-Quotient of $\mathbb{C}^*$ acting on $\mathbb{C}^{m+1}$

Does a one-parameter subgroup of a reductive group 'act reductively'?

A condition in the definition of geometric quotient

GIT quotient for a certain torus action on an affine space

Reference for the Hilbert scheme of points as GIT quotient

Help with an algebraic geometry result

Example of G-invariant ideal

Why are finite groups linearly reductive?

Understanding (GIT) quotient by action on End(W)

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