List questions from lie-algebras

Published on 11 May 2018 - 0:34

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Simple question to help understand the exponential map

Published on 11 May 2018 - 16:34

44

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Describe the Lie algebra of SL n (H) for H=Quaternion group

Published on 12 May 2018 - 14:02

62

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Orientability of $GL(n,\mathbb{R})$

Published on 12 May 2018 - 20:29

53

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Why are these endomorphisms of $U_q(\mathfrak{g})^-$

Published on 26 Mar 2026 - 5:00

127

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Fundamental representations of $\mathfrak{gl}_3(\Bbb C)$

Published on 15 May 2018 - 22:57

71

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Lie subalgebras of $M_2(K)$

Published on 16 May 2018 - 17:28

294

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Why are Killing form, Cartan ${\frak h}$, and roots $\alpha$, related by $\kappa(h,[x,y])=\alpha(h)\kappa(x,y)$?

Published on 22 Mar 2026 - 7:35

498

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A module of a Lie algebra can be decomposed into irreducibles if and only if every submodule has a complement.

Published on 16 May 2018 - 18:59

999

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Tangent vectors on Lie Groups

Published on 17 May 2018 - 16:27

314

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A problem on Universal enveloping algebra from Humphreys' book

Published on 18 May 2018 - 3:29

431

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Indecomposable modules in the representation theory of Lie algebras

Published on 18 May 2018 - 9:50

1.4k

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Maximal torus, Cartan subalgebra and co-character lattice?

Published on 20 May 2018 - 14:25

149

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Exponential map but not at identity

Published on 20 May 2018 - 18:06

106

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About enveloping algebras of direct sums

Published on 21 May 2018 - 8:55

List Question

Direct sum/product decomposition of the complexified Lorentz group

Simple question to help understand the exponential map

Describe the Lie algebra of SL n (H) for H=Quaternion group

Orientability of $GL(n,\mathbb{R})$

Why are these endomorphisms of $U_q(\mathfrak{g})^-$

Fundamental representations of $\mathfrak{gl}_3(\Bbb C)$

Lie subalgebras of $M_2(K)$

Why are Killing form, Cartan ${\frak h}$, and roots $\alpha$, related by $\kappa(h,[x,y])=\alpha(h)\kappa(x,y)$?

A module of a Lie algebra can be decomposed into irreducibles if and only if every submodule has a complement.

Tangent vectors on Lie Groups

A problem on Universal enveloping algebra from Humphreys' book

Indecomposable modules in the representation theory of Lie algebras

Maximal torus, Cartan subalgebra and co-character lattice?

Exponential map but not at identity

About enveloping algebras of direct sums

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