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15
Math.TechQA.Club
2026-04-11 15:23:08
31
Views
Question about a proof theorem 5.2 of Humphreys
Published on
11 Apr 2026 - 15:23
#lie-algebras
107
Views
How can one obtain the resulting 3D rotation matrix by "integrating" over some time-dependent angular velocity vector?
Published on
10 Apr 2026 - 20:46
#solution-verification
#lie-groups
#lie-algebras
#orthogonal-matrices
#matrix-exponential
54
Views
Another identity implied by the Jacobi identity for semidirect product of Lie algebra
Published on
29 Mar 2026 - 3:35
#lie-algebras
#semidirect-product
45
Views
If $H$ is a Hopf algebra deformation of $U (\mathfrak g)$ then $H/h H \simeq U (\mathfrak g)$ as a Hopf algebra.
Published on
25 Mar 2026 - 13:58
#lie-algebras
#hopf-algebras
#quantum-groups
#deformation-theory
49
Views
Re-arranging products of exponentials for a Lie algebra
Published on
12 Apr 2026 - 9:09
#operator-theory
#lie-algebras
#matrix-exponential
116
Views
Why the Jacobi identity and the commutator as the lie bracket?
Published on
16 Jun 2023 - 14:40
#lie-groups
#lie-algebras
55
Views
Adjoint representation is completely reducible
Published on
18 Jun 2023 - 15:12
#lie-algebras
98
Views
Is every Lie group a cover of a matrix Lie group?
Published on
20 Jun 2023 - 18:33
#reference-request
#lie-groups
#lie-algebras
28
Views
prove that a Lie algebra is semisimple
Published on
28 Mar 2026 - 6:48
#lie-algebras
#semisimple-lie-algebras
104
Views
Killing form of a Lie algebra of matrix
Published on
28 Mar 2026 - 6:31
#lie-algebras
#semisimple-lie-algebras
54
Views
Invariants of graded space is the same as the graded space of invariants
Published on
26 Mar 2026 - 9:58
#representation-theory
#lie-algebras
#invariant-theory
#semisimple-lie-algebras
54
Views
A question about the centralizer structure of a nilpotent element of a semsimple Lie Algebra
Published on
12 Apr 2026 - 11:40
#abstract-algebra
#algebraic-geometry
#representation-theory
#lie-groups
#lie-algebras
217
Views
What is the kernel of $SL_2(C)\to SO_3(C)$
Published on
22 Jun 2023 - 19:26
#lie-groups
#lie-algebras
39
Views
About Lie algebras and the corresponding lie groups
Published on
12 Apr 2026 - 14:11
#lie-groups
#lie-algebras
31
Views
What is the definition of Hamiltonian derivation in Poisson algebra?
Published on
09 Apr 2026 - 18:32
#lie-algebras
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