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15
Math.TechQA.Club
2017-07-02 17:33:22
50
Views
Showing that $2$ Weylgroups are the same
Published on
02 Jul 2017 - 17:33
#abstract-algebra
#lie-algebras
#root-systems
65
Views
PBW Ordering of $\mathcal{U}(\mathfrak{g})$
Published on
07 Jul 2017 - 15:39
#lie-algebras
#root-systems
311
Views
Canonical choice for simple roots?
Published on
25 Mar 2026 - 4:37
#group-theory
#root-systems
#dynkin-diagrams
312
Views
Langlands dual of orthogonal groups
Published on
19 Sep 2017 - 11:39
#representation-theory
#lie-groups
#algebraic-groups
#root-systems
74
Views
On root systems
Published on
20 Sep 2017 - 19:56
#root-systems
88
Views
A question about the reflection groups and root system.
Published on
29 Sep 2017 - 14:42
#abstract-algebra
#finite-groups
#root-systems
80
Views
Constructing a root system from defining the angle between the roots
Published on
29 Sep 2017 - 18:45
#lie-algebras
#inner-products
#root-systems
272
Views
Semisimple complex Lie algebra of type $A_3$ contains a Lie subalgebra of type $B_2$ as fixed points of an automorphism.
Published on
20 Oct 2017 - 12:43
#lie-algebras
#root-systems
216
Views
Question about proof of positive roots under reflection
Published on
26 Mar 2026 - 12:34
#linear-algebra
#group-theory
#geometry
#root-systems
#coxeter-groups
423
Views
Who coined the term "crystallographic root system"?
Published on
23 Feb 2026 - 2:42
#terminology
#math-history
#root-systems
#crystallography
242
Views
Reduced decomposition of the long element of $C_n$ or $B_n$?
Published on
26 Mar 2026 - 7:59
#root-systems
#coxeter-groups
152
Views
Complex Representations in SU(3)
Published on
08 Nov 2017 - 21:25
#representation-theory
#lie-algebras
#root-systems
437
Views
How to visualize intuitively root systems and Weyl group?
Published on
25 Mar 2026 - 4:38
#lie-algebras
#root-systems
#weyl-group
784
Views
the automorphism of root systems $f(\alpha)=-\alpha$ in the Weyl group
Published on
16 Nov 2017 - 23:31
#lie-algebras
#root-systems
88
Views
Do the 240 roots of E8 implicitly define five disjoint copies of F4 (with 48 roots each)?
Published on
29 Nov 2017 - 18:37
#lie-groups
#lie-algebras
#algebraic-groups
#combinatorial-geometry
#root-systems
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