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Why $X^* X\in \mathfrak{g}(V)$.

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#linear-algebra #lie-algebras
24
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Show that $(X^*)^*=\epsilon\epsilon 'X$

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#linear-algebra #lie-algebras
989
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How to find Casimir Operators and their degree.

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#lie-groups #lie-algebras
557
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Is the radical of a Lie algebra preserved by all of its derivations?

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#lie-groups #lie-algebras
123
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Help with proof in Humphreys (2)

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#lie-algebras #proof-explanation
168
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Proof of Horn theorem with moment map

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#linear-algebra #differential-geometry #lie-groups #lie-algebras #symplectic-geometry
107
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Computing Lie algebra of a subgroup

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#lie-groups #lie-algebras #dynamical-systems
444
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Heisenberg XXX spin model

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#representation-theory #lie-algebras
582
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Question on lifting the Weyl group into the group of inner automorphisms of $\mathfrak{g}$

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#lie-groups #lie-algebras
258
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Real orthogonal Lie algebra isomorphic to Clifford bivectors

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#reference-request #lie-algebras #clifford-algebras
110
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Skew polynomial algebra and deformation

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#representation-theory #lie-algebras #noncommutative-algebra #quantum-groups
2.6k
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Baker–Campbell–Hausdorff formula for [exp(x),exp(y)]

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#abstract-algebra #lie-groups #lie-algebras #noncommutative-algebra
537
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Lie algebra $su(1,1)$ from Legendre polynomials; question regarding Coherent Orthogonal Polynomials

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#lie-algebras #orthogonal-polynomials #differential-operators
249
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Cauchy gave 1st example of a Lie algebra in 1847 & exterior product in 1853‽

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#lie-algebras #math-history
858
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Lie algebra $\implies$ Lie group?

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#ordinary-differential-equations #manifolds #lie-groups #lie-algebras #symmetry

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