Callum

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lie-algebras

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Answers

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12

Killing form: clean proof that two spaces are orthogonal?

Aug 21, 2021

8

Is the Lie quadric $Q^3$ isomorphic to the Lagrangian Grassmannian $\operatorname{LG}(2,4)$?

Jul 31, 2020

7

Representations of $\mathrm{SO}_n$ versus representations of $\mathrm{Spin}_n$

Jan 9, 2022

7

Gaussian elimination is just Gram-Schmidt with a change to the inner product symbol?

Feb 26, 2023

6

Why is the generalized flag variety a “variety”?

Sep 9, 2021

Questions

10

Viewing exceptional Lie algebras via the classical ones

Jun 16, 2021

3

Conjugacy classes of Cartan subspaces in parahermitian symmetric spaces

Sep 11, 2022

1

Understanding the space of structures

Jun 30, 2021

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lie-algebras

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lie-groups

39

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13

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rt.representation-theory

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reference-request

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algebraic-groups

12

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1

post

Reputation

+20

Centralizer of an element in a matrix Lie group whose Jordan form is given

+10

Adjoint action on orthogonal complement

+10

Viewing exceptional Lie algebras via the classical ones

+10

Complete representation theory of $\mathrm{SL}(2,\mathbb R)$

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