List questions from lie-groups

Published on 27 Mar 2026 - 13:25

241

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Classification discrete subgroups of the general affine group.

Published on 25 Mar 2026 - 17:24

287

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Is a 3-form left invariant on SL(2,$\mathbb{R}$)?

Published on 27 Mar 2026 - 7:13

83

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If $G/H$ is homeomorphic to $\mathbb R^n$ then $H$ is normal subgroup

Published on 25 Mar 2026 - 8:09

131

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Quotient by action of this matrix group is $S^2$?

Published on 07 Sep 2018 - 7:57

399

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Parameterization Of Grassmannian

Published on 22 Mar 2026 - 4:10

666

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Affine Transformations isomorphic to Heisenberg group

Published on 08 Sep 2018 - 11:32

235

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Dual Character for Compact Lie Groups

Published on 25 Mar 2026 - 1:24

702

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How to generate a symmetry group with a vector field?

Published on 25 Mar 2026 - 7:43

59

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Is there an algebraic or geometric explanation for why $Spin_7\simeq_{\frac{1}{3}}S^7\times G_2$?

Published on 25 Mar 2026 - 8:10

126

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What are the orbits of the $SO(n-2)$ action on $S^n?$

Published on 25 Mar 2026 - 17:21

43

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Computing the ribbon element of $\operatorname{U_q}(\mathfrak{sl}_2)$

Published on 25 Mar 2026 - 14:22

159

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All Lie subgroups of $\mathbb{R}$

Published on 25 Mar 2026 - 9:47

26

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Euclidean geometry as left invariant metric on Bianchi groups of type I or VII0

Published on 12 Sep 2018 - 12:02

66

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Representation of Lie group

Published on 12 Sep 2018 - 12:16

List Question

Tangent spaces to the orbit of a Lie group

Classification discrete subgroups of the general affine group.

Is a 3-form left invariant on SL(2,$\mathbb{R}$)?

If $G/H$ is homeomorphic to $\mathbb R^n$ then $H$ is normal subgroup

Quotient by action of this matrix group is $S^2$?

Parameterization Of Grassmannian

Affine Transformations isomorphic to Heisenberg group

Dual Character for Compact Lie Groups

How to generate a symmetry group with a vector field?

Is there an algebraic or geometric explanation for why $Spin_7\simeq_{\frac{1}{3}}S^7\times G_2$?

What are the orbits of the $SO(n-2)$ action on $S^n?$

Computing the ribbon element of $\operatorname{U_q}(\mathfrak{sl}_2)$

All Lie subgroups of $\mathbb{R}$

Euclidean geometry as left invariant metric on Bianchi groups of type I or VII0

Representation of Lie group

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