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Representations of $sl(2,C)$ as a real Lie algebra

score 1.6k · Answer 1 · 2026-04-13 17:40:34

1.6k

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Representations of $sl(2,C)$ as a real Lie algebra

Published on 13 Apr 2026 - 17:40

score 63 · Answer 2 · 2026-04-15 02:03:14

63

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Minsets of diagonalizable elements in the symmetric space $SL(n,\mathbb{R})/SO(n)$

Published on 15 Apr 2026 - 2:03

score 8.8k · Answer 3 · 2026-04-13 15:58:59

8.8k

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Understanding the double cover $SU(2) \rightarrow SO(3)$ via quaternions

Published on 13 Apr 2026 - 15:58

score 72 · Answer 4 · 2026-04-12 00:02:42

72

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What is $H_1(\operatorname{GL}_2(\mathbb{R}))$?

Published on 12 Apr 2026 - 0:02

score 165 · Answer 5 · 2026-04-12 21:39:50

165

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Confusion regarding finding Lie Point symmetries of $u_{xx}=0$

Published on 12 Apr 2026 - 21:39

score 37 · Answer 6 · 2026-04-11 14:48:52

37

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Showing that operations are under closure

Published on 11 Apr 2026 - 14:48

score 1.4k · Answer 7 · 2026-03-28 20:57:31

1.4k

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Intersection of two Lie subgroup is Lie subgroup ?

Published on 28 Mar 2026 - 20:57

score 167 · Answer 8 · 2026-03-27 00:10:08

167

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Do there exist $2 \times 2$ matrices satisfying $XY = q YX$, $YZ = q ZY$ and $ZX = q XZ$

Published on 27 Mar 2026 - 0:10

score 87 · Answer 9 · 2026-04-12 20:08:10

87

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Variational criterion for commuting tori in a compact Lie group

Published on 12 Apr 2026 - 20:08

score 182 · Answer 10 · 2026-04-12 21:45:43

182

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Homeomorphism between Kronecker product $U(N)\otimes U(k)$ and a direct product of Lie groups

Published on 12 Apr 2026 - 21:45

score 1.8k · Answer 11 · 2026-04-10 06:21:03

1.8k

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How to derive the general formula for the Killing form for classical Lie algebras?

Published on 10 Apr 2026 - 6:21

score 1.2k · Answer 12 · 2026-04-13 03:13:05

1.2k

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Trying to show that the orthogonal group is a manifold: why does this approach fail?

Published on 13 Apr 2026 - 3:13

score 221 · Answer 13 · 2026-04-26 20:14:30

221

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Coordinates on $SU(2)$

Published on 26 Apr 2026 - 20:14

score 25 · Answer 14 · 2026-04-11 15:01:38

25

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GL(V) "retraction" when V is a direct sum of complemented subspaces

Published on 11 Apr 2026 - 15:01

score 79 · Answer 15 · 2026-04-17 15:27:27

79

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What does $\times$ represent in $\mathcal{L}(G\times G)= \mathcal{L}(G)\oplus\mathcal{L}(G)$?

Published on 17 Apr 2026 - 15:27

List Question

Representations of $sl(2,C)$ as a real Lie algebra

Minsets of diagonalizable elements in the symmetric space $SL(n,\mathbb{R})/SO(n)$

Understanding the double cover $SU(2) \rightarrow SO(3)$ via quaternions

What is $H_1(\operatorname{GL}_2(\mathbb{R}))$?

Confusion regarding finding Lie Point symmetries of $u_{xx}=0$

Showing that operations are under closure

Intersection of two Lie subgroup is Lie subgroup ?

Do there exist $2 \times 2$ matrices satisfying $XY = q YX$, $YZ = q ZY$ and $ZX = q XZ$

Variational criterion for commuting tori in a compact Lie group

Homeomorphism between Kronecker product $U(N)\otimes U(k)$ and a direct product of Lie groups

How to derive the general formula for the Killing form for classical Lie algebras?

Trying to show that the orthogonal group is a manifold: why does this approach fail?

Coordinates on $SU(2)$

GL(V) "retraction" when V is a direct sum of complemented subspaces

What does $\times$ represent in $\mathcal{L}(G\times G)= \mathcal{L}(G)\oplus\mathcal{L}(G)$?

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