Question

The bijection between central characters and linkage classes over a semisimple Lie algebra

score 170 · Answer 1 · 2026-04-19 17:29:27

170

Views

The bijection between central characters and linkage classes over a semisimple Lie algebra

Published on 19 Apr 2026 - 17:29

score 587 · Answer 2 · 2026-04-11 07:13:17

587

Views

Why a tensor product of $2\times 2$ unitaries cannot implement a $3\times 3$ unitary?

Published on 11 Apr 2026 - 7:13

score 2k · Answer 3 · 2026-04-13 07:12:24

2k

Views

Prove the manifold of SU(2)/U(1) is the 2-sphere.

Published on 13 Apr 2026 - 7:12

score 865 · Answer 4 · 2026-04-14 10:27:40

865

Views

Normalizer of normalizer of maximal torus in a Lie group

Published on 14 Apr 2026 - 10:27

score 312 · Answer 5 · 2026-04-09 15:01:59

312

Views

Intuitive understanding of lie group definition

Published on 09 Apr 2026 - 15:01

score 1.4k · Answer 6 · 2026-04-16 00:24:02

1.4k

Views

Some solvable Lie algebra but not nilpotent

Published on 16 Apr 2026 - 0:24

score 384 · Answer 7 · 2026-04-14 09:29:27

384

Views

Upper triangular matrices $UT_n(\mathbb K)$ is a matrix group: is my proof correct?

Published on 14 Apr 2026 - 9:29

score 77 · Answer 8 · 2026-04-10 17:40:16

77

Views

Does the projection from a compact Lie group to its component group split?

Published on 10 Apr 2026 - 17:40

score 336 · Answer 9 · 2026-04-19 22:25:47

336

Views

The irreducibility of representations of parabolic induction over $\mathfrak{gl}_n(\mathbb{C})$

Published on 19 Apr 2026 - 22:25

score 223 · Answer 10 · 2026-04-11 22:05:46

223

Views

The space of minimal geodesics on $SU(2m)$

Published on 11 Apr 2026 - 22:05

score 82 · Answer 11 · 2026-04-14 05:17:30

82

Views

The trivial subgroup is closed (in the sense of topology)

Published on 14 Apr 2026 - 5:17

score 77 · Answer 12 · 2026-04-14 15:12:12

77

Views

If G is a compact semisimple Lie group and Z is its center, is G/Z always compact?

Published on 14 Apr 2026 - 15:12

score 595 · Answer 13 · 2026-04-19 22:20:44

595

Views

An apparent contradiction in SU(3) structure constants?

Published on 19 Apr 2026 - 22:20

score 123 · Answer 14 · 2026-04-14 03:17:10

123

Views

set of all $2\times 2$ matrcies having neither eigen value is real

Published on 14 Apr 2026 - 3:17

score 110 · Answer 15 · 2026-04-16 06:45:57

110

Views

how to conclude a subset of $M_n(\mathbb{C})$ is compact from spectral radius?

Published on 16 Apr 2026 - 6:45

List Question

The bijection between central characters and linkage classes over a semisimple Lie algebra

Why a tensor product of $2\times 2$ unitaries cannot implement a $3\times 3$ unitary?

Prove the manifold of SU(2)/U(1) is the 2-sphere.

Normalizer of normalizer of maximal torus in a Lie group

Intuitive understanding of lie group definition

Some solvable Lie algebra but not nilpotent

Upper triangular matrices $UT_n(\mathbb K)$ is a matrix group: is my proof correct?

Does the projection from a compact Lie group to its component group split?

The irreducibility of representations of parabolic induction over $\mathfrak{gl}_n(\mathbb{C})$

The space of minimal geodesics on $SU(2m)$

The trivial subgroup is closed (in the sense of topology)

If G is a compact semisimple Lie group and Z is its center, is G/Z always compact?

An apparent contradiction in SU(3) structure constants?

set of all $2\times 2$ matrcies having neither eigen value is real

how to conclude a subset of $M_n(\mathbb{C})$ is compact from spectral radius?

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