List questions from lie-groups

Published on 09 Apr 2026 - 21:11

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Lattices in $PSL_2(\mathbb{R})$

Published on 13 Apr 2026 - 9:59

451

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$E_6$ lie algebra and its representation

Published on 21 Apr 2026 - 11:01

138

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The injectivity of torus in the category of abelian Lie groups

Published on 19 Apr 2026 - 13:05

128

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Why do entries of Maurer-Cartan 1-form span space of left-invariant 1-forms

Published on 15 Apr 2026 - 15:41

1k

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Spin group Spin(4,1)

Published on 19 Apr 2026 - 17:23

666

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Left-invariant differential form on homogeneous space

Published on 15 Apr 2026 - 12:38

59

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Why $U$ generates $G$ as Lie group?

Published on 19 Apr 2026 - 17:24

58

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conjugation of Lie groups and homotopy group

Published on 12 Apr 2026 - 0:14

794

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Is every complex Lie algebra a complexification?

Published on 19 Apr 2026 - 17:22

216

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Are there algebraic subgroups of Lie groups which happen to be Lie groups on their own but not Lie subgroups?

Published on 12 Apr 2026 - 13:22

202

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What are Carnot groups?

Published on 19 Apr 2026 - 3:42

603

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Can someone direct me to prove the following three claims about a rotation group $SO(3)$ and its Lie Algebra?

Published on 12 Apr 2026 - 18:57

1.1k

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Relationship between proper orthochronous Lorentz group $SO^+(1,3)$ and $SU(2)\times SU(2)$, or their Lie algebras

Published on 12 Apr 2026 - 10:48

64

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Non-integral blocks of category $\mathcal{O}$ over $\mathfrak{sl}_2$ are semisimple.

Published on 19 Apr 2026 - 17:35

List Question

Weaker definitions of Lie subgroups

Lattices in $PSL_2(\mathbb{R})$

$E_6$ lie algebra and its representation

The injectivity of torus in the category of abelian Lie groups

Why do entries of Maurer-Cartan 1-form span space of left-invariant 1-forms

Spin group Spin(4,1)

Left-invariant differential form on homogeneous space

Why $U$ generates $G$ as Lie group?

conjugation of Lie groups and homotopy group

Is every complex Lie algebra a complexification?

Are there algebraic subgroups of Lie groups which happen to be Lie groups on their own but not Lie subgroups?

What are Carnot groups?

Can someone direct me to prove the following three claims about a rotation group $SO(3)$ and its Lie Algebra?

Relationship between proper orthochronous Lorentz group $SO^+(1,3)$ and $SU(2)\times SU(2)$, or their Lie algebras

Non-integral blocks of category $\mathcal{O}$ over $\mathfrak{sl}_2$ are semisimple.

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