List questions from lie-algebra-cohomology

Published on 27 Feb 2018 - 22:47

224

Views

Virasoro algebra question: Is there a two-surface in Diff($S^1$) with a non-zero integral over the cocycle in $H^2(\mathfrak{g}, \mathbb{C})$?

Published on 22 Feb 2026 - 23:39

92

Views

Reference Request - Cohomology of the Lie algebra $\mathfrak{u}(n)$ over a finite field?

Published on 30 Aug 2019 - 21:36

224

Views

duality for (co)homology of Lie algebras

Published on 12 Oct 2014 - 20:44

121

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coboundary operators in relative lie algebra cohomology

Published on 11 Nov 2014 - 20:53

265

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Does the adjoint action induce a trivial action on Lie algebra cohomology?

Published on 31 Dec 2014 - 21:20

193

Views

By what can we extend a Lie algebra?

Published on 10 Jan 2020 - 7:22

91

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A small sign error?

Published on 05 May 2020 - 15:58

912

Views

Central extension of a Lie algebra, why is the bilinear form a 2-cocycle?

Published on 31 Jul 2016 - 12:02

495

Views

Difference between Koszul and Chevalley-Eilenberg complexes

Published on 05 Aug 2016 - 11:18

107

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How does $\mathfrak g$ act on $\mathbb C$ in the context of Lie algebra cohomology?

Published on 16 Aug 2016 - 11:00

205

Views

de Rham counterpart of Lie algebra cohomology valued in arbitrary module

Published on 10 Dec 2016 - 18:17

195

Views

Complexes of left-invariant and bi-invariant forms and their cohomology

Published on 08 Mar 2017 - 12:24

34

Views

Isomorphism of D-modules implied by vanishing of first Lie algebra cohomology

Published on 30 Mar 2023 - 15:51

101

Views

Do Chevalley-Eilenberg homology functor and taking the cohomology commute?

Published on 04 Apr 2023 - 16:47

List Question

Kunneth Formula for Lie Algebra Cohomology

Virasoro algebra question: Is there a two-surface in Diff($S^1$) with a non-zero integral over the cocycle in $H^2(\mathfrak{g}, \mathbb{C})$?

Reference Request - Cohomology of the Lie algebra $\mathfrak{u}(n)$ over a finite field?

duality for (co)homology of Lie algebras

coboundary operators in relative lie algebra cohomology

Does the adjoint action induce a trivial action on Lie algebra cohomology?

By what can we extend a Lie algebra?

A small sign error?

Central extension of a Lie algebra, why is the bilinear form a 2-cocycle?

Difference between Koszul and Chevalley-Eilenberg complexes

How does $\mathfrak g$ act on $\mathbb C$ in the context of Lie algebra cohomology?

de Rham counterpart of Lie algebra cohomology valued in arbitrary module

Complexes of left-invariant and bi-invariant forms and their cohomology

Isomorphism of D-modules implied by vanishing of first Lie algebra cohomology

Do Chevalley-Eilenberg homology functor and taking the cohomology commute?

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