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15
Math.TechQA.Club
2026-04-12 12:01:15
126
Views
Why is such a representation of $\mathfrak{sl}_{2}(\mathbb{C})$ irreducible?
Published on
12 Apr 2026 - 12:01
#representation-theory
#lie-groups
#lie-algebras
328
Views
Homeomorphic to $SO(3)$
Published on
13 Apr 2026 - 20:30
#group-theory
#lie-groups
#quaternions
466
Views
Exponential of operators satisfying Heisenberg Commutation Relation
Published on
11 Apr 2026 - 19:00
#lie-groups
#lie-algebras
#heisenberg-group
736
Views
Using coordinates to show left-invariant vector fields form Lie algebras
Published on
16 Apr 2026 - 12:18
#group-theory
#lie-groups
#mathematical-physics
#invariance
78
Views
Examples of $e^A e^B \neq e^C $
Published on
15 Apr 2026 - 4:11
#matrices
#lie-groups
94
Views
Matricial form of the killing form of $\mathfrak{sl}(n)$
Published on
15 Apr 2026 - 20:50
#representation-theory
#lie-groups
#lie-algebras
457
Views
Compute that the associated Lie algebra homomorphism $\mathfrak{su}(2)\rightarrow\mathfrak{so}(3) $ explicitly
Published on
17 Apr 2026 - 10:12
#linear-algebra
#differential-geometry
#lie-groups
#lie-algebras
174
Views
I want to show that two different definitions of the adjoint representation of a Lie group are equivalent.
Published on
14 Apr 2026 - 3:37
#lie-groups
#lie-algebras
284
Views
How does one show that $SO(6)/U(3)\cong \Bbb C\rm P^3$?
Published on
26 Mar 2026 - 4:30
#differential-topology
#lie-groups
#homogeneous-spaces
102
Views
Is every geometry contained in a maximal geometry?
Published on
05 May 2026 - 16:15
#group-theory
#differential-geometry
#differential-topology
#lie-groups
#smooth-manifolds
133
Views
Globalization of a Representation
Published on
10 Apr 2026 - 1:49
#abstract-algebra
#representation-theory
#lie-groups
#connectedness
#topological-groups
617
Views
How to proof the Casimir element is in the Center of U(g)
Published on
13 Apr 2026 - 5:49
#representation-theory
#lie-groups
#lie-algebras
1.2k
Views
Fundamental v.s. Anti-Fundamental Representation of $SU(N)$: Why special at $N=2$
Published on
11 Apr 2026 - 11:16
#abstract-algebra
#representation-theory
#lie-groups
#lie-algebras
240
Views
Projective Spin group and Spin$^C$ groups?
Published on
15 Apr 2026 - 14:58
#algebraic-topology
#lie-groups
#projective-geometry
#exact-sequence
80
Views
Relative invariant w.r.t. $Xf$
Published on
17 Apr 2026 - 4:38
#group-theory
#finite-groups
#lie-groups
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