List questions from representation-theory

Published on 26 Mar 2026 - 17:42

417

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Computing Casimir basis functions for Lie algebra $so(4)$ (via Killing form)

Published on 26 Mar 2026 - 19:07

809

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Representation of direct product $G\times H$ on tensor product

Published on 23 Mar 2026 - 2:36

250

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Full projective resolutions for path algebras in GAP

Published on 25 Mar 2026 - 6:15

77

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Using representation theory to prove subgroup

Published on 30 May 2018 - 19:12

370

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Infinite-dimensional representation theory

Published on 26 Mar 2026 - 17:51

167

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Decomposition of $\mathbb{C}[G]$ / Orthogonality relations

Published on 19 Mar 2026 - 21:22

116

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$\text{Hom}_{k}(U \oplus V,W) \cong \text{Hom}_{k}(U,W) \oplus \text{Hom}_{k}(V,W)$

Published on 31 May 2018 - 8:11

93

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Why contains the product of highest dimensional representation (with dim$\ne 1$) with itself the rotation around the main axis?

Published on 25 Mar 2026 - 1:18

688

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More understanding of Schur's Lemma (representation theory)

Published on 31 May 2018 - 20:27

1k

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Center of Group algebra finitely generated

Published on 22 Mar 2026 - 18:06

368

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Which integers can be written as $x^2+2y^2-3z^2\ $?

Published on 26 Mar 2026 - 6:27

435

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Monomial characters of direct product

Published on 25 Mar 2026 - 1:22

613

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How can the external tensor product of irreducible complex representations be irreducible?

Published on 01 Jun 2018 - 19:40

39

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Characters of representation for finite and arbitrary group

Published on 02 Jun 2018 - 23:46

List Question

Subrepresentation defined by a projection

Computing Casimir basis functions for Lie algebra $so(4)$ (via Killing form)

Representation of direct product $G\times H$ on tensor product

Full projective resolutions for path algebras in GAP

Using representation theory to prove subgroup

Infinite-dimensional representation theory

Decomposition of $\mathbb{C}[G]$ / Orthogonality relations

$\text{Hom}_{k}(U \oplus V,W) \cong \text{Hom}_{k}(U,W) \oplus \text{Hom}_{k}(V,W)$

Why contains the product of highest dimensional representation (with dim$\ne 1$) with itself the rotation around the main axis?

More understanding of Schur's Lemma (representation theory)

Center of Group algebra finitely generated

Which integers can be written as $x^2+2y^2-3z^2\ $?

Monomial characters of direct product

How can the external tensor product of irreducible complex representations be irreducible?

Characters of representation for finite and arbitrary group

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