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-- Cartan matrix for an exotic type of Lie algebra --

score 316 · Answer 1 · 2026-04-15 02:28:03

316

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-- Cartan matrix for an exotic type of Lie algebra --

Published on 15 Apr 2026 - 2:28

score 1.7k · Answer 2 · 2026-03-26 09:17:54

1.7k

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Is the adjoint representation of the unitary group irreducible?

Published on 26 Mar 2026 - 9:17

score 932 · Answer 3 · 2026-04-17 13:34:44

932

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calculate the group of all biholomorphic group automorphisms of complex tori

Published on 17 Apr 2026 - 13:34

score 1.3k · Answer 4 · 2026-04-15 07:22:01

1.3k

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Whether matrix exponential from skew-symmetric 3x3 matrices to SO(3) is local homeomorphism?

Published on 15 Apr 2026 - 7:22

score 1.2k · Answer 5 · 2026-04-14 19:47:09

1.2k

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Prove where exp: Skew($3\times 3$) $\rightarrow SO(3)$ is local homeomorphism

Published on 14 Apr 2026 - 19:47

score 1.3k · Answer 6 · 2026-04-11 14:12:53

1.3k

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Connected Components of Lie Group

Published on 11 Apr 2026 - 14:12

score 750 · Answer 7 · 2026-04-13 19:24:49

750

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Questions about affine Weyl group and extended affine Weyl group for SL2.

Published on 13 Apr 2026 - 19:24

score 95 · Answer 8 · 2026-04-12 22:56:42

95

Views

Why $\langle w, \rho(g) v\rangle$ is called a matrix coefficient?

Published on 12 Apr 2026 - 22:56

score 236 · Answer 9 · 2026-04-13 10:40:42

236

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Cartan matrix for a semisimple Lie algebra with an extension

Published on 13 Apr 2026 - 10:40

score 2.4k · Answer 10 · 2026-04-15 10:51:54

2.4k

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Why Bruhat decomposition in $GL_n$ case is the Gauss decomposition?

Published on 15 Apr 2026 - 10:51

score 208 · Answer 11 · 2026-04-16 05:58:28

208

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Lie algebra of $\Bbb{R}^n$

Published on 16 Apr 2026 - 5:58

score 5.6k · Answer 12 · 2026-04-10 17:29:18

5.6k

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Precise connection between complexification of $\mathfrak{su}(2)$, $\mathfrak{so}(1,3)$ and $\mathfrak{sl}(2, \mathbb{C})$

Published on 10 Apr 2026 - 17:29

score 154 · Answer 13 · 2026-04-12 06:24:23

154

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How do I know that a group generator really is from that group?

Published on 12 Apr 2026 - 6:24

score 7k · Answer 14 · 2026-04-12 06:45:31

7k

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What are the generators of $\text{U}(3)$?

Published on 12 Apr 2026 - 6:45

score 1.2k · Answer 15 · 2026-04-16 18:41:59

1.2k

Views

Category of Lie group representations equivalent to the category of representations of their Lie algebra

Published on 16 Apr 2026 - 18:41

List Question

-- Cartan matrix for an exotic type of Lie algebra --

Is the adjoint representation of the unitary group irreducible?

calculate the group of all biholomorphic group automorphisms of complex tori

Whether matrix exponential from skew-symmetric 3x3 matrices to SO(3) is local homeomorphism?

Prove where exp: Skew($3\times 3$) $\rightarrow SO(3)$ is local homeomorphism

Connected Components of Lie Group

Questions about affine Weyl group and extended affine Weyl group for SL2.

Why $\langle w, \rho(g) v\rangle$ is called a matrix coefficient?

Cartan matrix for a semisimple Lie algebra with an extension

Why Bruhat decomposition in $GL_n$ case is the Gauss decomposition?

Lie algebra of $\Bbb{R}^n$

Precise connection between complexification of $\mathfrak{su}(2)$, $\mathfrak{so}(1,3)$ and $\mathfrak{sl}(2, \mathbb{C})$

How do I know that a group generator really is from that group?

What are the generators of $\text{U}(3)$?

Category of Lie group representations equivalent to the category of representations of their Lie algebra

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