Question

Is there a notion of a smallest (immersed) Lie subgroup containing a given set?

score 714 · Answer 1 · 2026-05-05 06:49:37

714

Views

Is there a notion of a smallest (immersed) Lie subgroup containing a given set?

Published on 05 May 2026 - 6:49

score 274 · Answer 2 · 2026-04-16 01:02:46

274

Views

Short exact sequence, torus and a finite group

Published on 16 Apr 2026 - 1:02

score 137 · Answer 3 · 2026-04-15 07:29:32

137

Views

Why is this group a Lie group?

Published on 15 Apr 2026 - 7:29

score 1.3k · Answer 4 · 2026-04-10 04:15:48

1.3k

Views

Structure of compact abelian group

Published on 10 Apr 2026 - 4:15

score 150 · Answer 5 · 2026-04-15 14:05:15

150

Views

Finding two tangential vectorfields with Lie-Bracket equal zero

Published on 15 Apr 2026 - 14:05

score 324 · Answer 6 · 2026-04-09 20:36:53

324

Views

Every compact connected Lie group is actually a real algebraic group

Published on 09 Apr 2026 - 20:36

score 170 · Answer 7 · 2026-04-13 11:23:26

170

Views

Non-trivial group action with trivial action of maximal torus?

Published on 13 Apr 2026 - 11:23

score 686 · Answer 8 · 2026-04-15 20:03:03

686

Views

Center of Lie algebra and Lie algebra of center

Published on 15 Apr 2026 - 20:03

score 96 · Answer 9 · 2026-04-17 11:10:54

96

Views

For a left-invariant $p$-form $w$ and left-invariant vector fields $X_0 , \ldots , X_p$ on a Lie-group $M$, why is $w(X_0 , \ldots , X_p)$ constant?

Published on 17 Apr 2026 - 11:10

score 27 · Answer 10 · 2026-04-15 08:43:25

27

Views

Given a Lie group $G$, what is a $p$-form on the tangent space of the identity $T_e G$?

Published on 15 Apr 2026 - 8:43

score 80 · Answer 11 · 2026-04-13 08:53:03

80

Views

Orbits by Lie subgroup

Published on 13 Apr 2026 - 8:53

score 91 · Answer 12 · 2026-04-16 01:41:07

91

Views

Let $w_1, \ldots, w_n$ be left invariant $1$-forms on a Lie group $G$. Why is $w = w_1 \wedge \ldots \wedge w_n $ left-invariant?

Published on 16 Apr 2026 - 1:41

score 264 · Answer 13 · 2026-04-13 19:04:51

264

Views

Action of Weyl group on Lie algebra representation

Published on 13 Apr 2026 - 19:04

score 945 · Answer 14 · 2026-04-11 15:02:18

945

Views

Groups as symmetries, and question about Lie groups

Published on 11 Apr 2026 - 15:02

score 532 · Answer 15 · 2026-04-12 20:56:38

532

Views

Kernel of Matrix Exponentiation

Published on 12 Apr 2026 - 20:56

List Question

Is there a notion of a smallest (immersed) Lie subgroup containing a given set?

Short exact sequence, torus and a finite group

Why is this group a Lie group?

Structure of compact abelian group

Finding two tangential vectorfields with Lie-Bracket equal zero

Every compact connected Lie group is actually a real algebraic group

Non-trivial group action with trivial action of maximal torus?

Center of Lie algebra and Lie algebra of center

For a left-invariant $p$-form $w$ and left-invariant vector fields $X_0 , \ldots , X_p$ on a Lie-group $M$, why is $w(X_0 , \ldots , X_p)$ constant?

Given a Lie group $G$, what is a $p$-form on the tangent space of the identity $T_e G$?

Orbits by Lie subgroup

Let $w_1, \ldots, w_n$ be left invariant $1$-forms on a Lie group $G$. Why is $w = w_1 \wedge \ldots \wedge w_n $ left-invariant?

Action of Weyl group on Lie algebra representation

Groups as symmetries, and question about Lie groups

Kernel of Matrix Exponentiation

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