Question

Simultaneous triangularisation of an exterior power of a set of matrices

score 63 · Answer 1 · 2026-03-27 06:56:37

63

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Simultaneous triangularisation of an exterior power of a set of matrices

Published on 27 Mar 2026 - 6:56

score 107 · Answer 2 · 2026-03-26 20:16:56

107

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Example of character $\lambda$ such that $\operatorname{stab}(\lambda)\cong\mathbb{Z}/(2)\times\mathbb{Z}/(2)$ under action of Weyl group?

Published on 26 Mar 2026 - 20:16

score 28 · Answer 3 · 2017-02-26 06:50:08

28

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$P\supset T$ is parabolic iff either $U_\alpha$ or $U_{-\alpha}$ is contained in $P$.

Published on 26 Feb 2017 - 6:50

score 232 · Answer 4 · 2017-03-01 15:34:07

232

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Complex reductive Lie group is algebraic

Published on 01 Mar 2017 - 15:34

score 29 · Answer 5 · 2017-03-01 16:54:23

29

Views

Does the equality $(G^{der})^{ad}=G^{ad}$ always hold?

Published on 01 Mar 2017 - 16:54

score 51 · Answer 6 · 2017-03-01 17:21:01

51

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Metrics on $G/K$

Published on 01 Mar 2017 - 17:21

score 96 · Answer 7 · 2017-03-05 17:50:06

96

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Invariants under unipotent group

Published on 05 Mar 2017 - 17:50

score 327 · Answer 8 · 2017-03-11 09:03:36

327

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Reference request: Highest weight representations of Linear algebraic groups

Published on 11 Mar 2017 - 9:03

score 76 · Answer 9 · 2026-03-26 08:00:27

76

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Why is $R\mapsto\operatorname{End}_{R-lin}(R\otimes_k V)$ representable by $\operatorname{Sym}(V\otimes_k V^\vee)$?

Published on 26 Mar 2026 - 8:00

score 204 · Answer 10 · 2017-03-17 00:51:14

204

Views

Given an algebraic group $G$ is $G^0$ (connected component including the identity) unique?

Published on 17 Mar 2017 - 0:51

score 547 · Answer 11 · 2017-03-24 09:54:42

547

Views

Is $\operatorname{SL}_2(\mathcal O)$ finitely generated?

Published on 24 Mar 2017 - 9:54

score 106 · Answer 12 · 2017-03-27 04:31:27

106

Views

Different definitions of the orthogonal group

Published on 27 Mar 2017 - 4:31

score 44 · Answer 13 · 2017-03-30 06:33:55

44

Views

$F$-stable $G$-orbit contains a rational point, application of Lang-Steinberg.

Published on 30 Mar 2017 - 6:33

score 31 · Answer 14 · 2026-03-26 12:36:55

31

Views

Intersection of orbit of prime order element in symplectic algebraic group with maximal subspace subgroup

Published on 26 Mar 2026 - 12:36

score 172 · Answer 15 · 2017-03-30 21:02:51

172

Views

Zariski's Main Theorem in T.A Springer Linear Algebraic Groups

Published on 30 Mar 2017 - 21:02

List Question

Simultaneous triangularisation of an exterior power of a set of matrices

Example of character $\lambda$ such that $\operatorname{stab}(\lambda)\cong\mathbb{Z}/(2)\times\mathbb{Z}/(2)$ under action of Weyl group?

$P\supset T$ is parabolic iff either $U_\alpha$ or $U_{-\alpha}$ is contained in $P$.

Complex reductive Lie group is algebraic

Does the equality $(G^{der})^{ad}=G^{ad}$ always hold?

Metrics on $G/K$

Invariants under unipotent group

Reference request: Highest weight representations of Linear algebraic groups

Why is $R\mapsto\operatorname{End}_{R-lin}(R\otimes_k V)$ representable by $\operatorname{Sym}(V\otimes_k V^\vee)$?

Given an algebraic group $G$ is $G^0$ (connected component including the identity) unique?

Is $\operatorname{SL}_2(\mathcal O)$ finitely generated?

Different definitions of the orthogonal group

$F$-stable $G$-orbit contains a rational point, application of Lang-Steinberg.

Intersection of orbit of prime order element in symplectic algebraic group with maximal subspace subgroup

Zariski's Main Theorem in T.A Springer Linear Algebraic Groups

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