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15
Math.TechQA.Club
2026-04-13 20:33:52
404
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Meaning of $[A,B]$ when $A$ and $B$ are self-adjoint
Published on
13 Apr 2026 - 20:33
#matrices
#notation
#lie-algebras
581
Views
No Lie algebra over $\Bbb R$ or $\Bbb C$ can have a unit element.
Published on
15 Apr 2026 - 13:17
#lie-algebras
86
Views
Derivatives of solution to Schrödinger equation
Published on
09 Apr 2026 - 14:18
#calculus
#ordinary-differential-equations
#lie-groups
#lie-algebras
#mathematical-physics
96
Views
Local Lie derivative on $G$-space at the zero of a vector field
Published on
16 Apr 2026 - 4:04
#differential-geometry
#lie-algebras
#group-actions
#invariant-theory
#lie-derivative
701
Views
Adjoint representation
Published on
24 Apr 2026 - 11:28
#differential-geometry
#terminology
#differential-topology
#lie-groups
#lie-algebras
497
Views
Show that if $\Omega_1,\Omega_2$ are tangent vectors of curves in $SO(3)$ then $[\Omega_1,\Omega_2]\in\mathfrak{so}(3)$
Published on
10 Apr 2026 - 1:09
#differential-geometry
#lie-groups
#lie-algebras
388
Views
Lie Algebra $[v,0]=0=[0,v], \quad\forall v\in \mathfrak{g}$.
Published on
16 Apr 2026 - 14:53
#lie-algebras
209
Views
$\mathrm{Z}(\mathfrak{gl}(2,\Bbb F))$ where the Lie bracket is $[X,Y]=XY-YX$
Published on
16 Apr 2026 - 0:05
#matrices
#group-theory
#lie-algebras
#finite-fields
187
Views
Solving a matrix differential equation
Published on
13 Apr 2026 - 10:09
#linear-algebra
#ordinary-differential-equations
#lie-groups
#lie-algebras
49
Views
Clarification of Fulton and Harris root lattices
Published on
11 Apr 2026 - 19:37
#lie-algebras
751
Views
Is a formal deformation of a Lie algebra an example of a formal group law?
Published on
22 Apr 2026 - 14:39
#definition
#lie-algebras
#deformation-theory
#formal-groups
323
Views
Subalgebras and Ideals of a Lie algebra
Published on
15 Apr 2026 - 4:34
#lie-algebras
1k
Views
Lie bracket; confusing proof from lecture
Published on
15 Apr 2026 - 8:52
#differential-geometry
#differential-topology
#lie-groups
#lie-algebras
#lie-derivative
49
Views
Lie algebra vector subspace: Does $[n_1,[n_2,Y]]=[n_1,A]=B$
Published on
16 Apr 2026 - 6:33
#lie-algebras
331
Views
Lie Algebra: Vector subspace is an ideal of its normalizer
Published on
16 Apr 2026 - 6:33
#lie-algebras
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