theorem A.422 The Virasoro extension

open in the book · appendices/A-long-proofs.tex:20710 · p. 2998

Rests on

depends_on definition A.421 Witt algebra ¶
- depends_on definition 14.72 Central extension ¶
depends_on definition 14.75 The classifying group ¶
- depends_on definition 14.74 Coboundary and triviality ¶
  - depends_on proposition 14.73 The extension datum is a $2$-cocycle ¶
    - depends_on definition 14.72 Central extension ¶ ↺
    - proves proof ch:12-lie-groups-fibre-bundles@proof-35 ¶
- depends_on proposition 14.73 The extension datum is a $2$-cocycle ¶ ↺
depends_on proposition 14.76 $H^{2}$ classifies the central extensions ¶
- depends_on definition 14.72 Central extension ¶ ↺
- depends_on definition 14.74 Coboundary and triviality ¶ ↺
- depends_on definition 14.75 The classifying group ¶ ↺
- depends_on proposition 14.73 The extension datum is a $2$-cocycle ¶ ↺
- proves proof ch:12-lie-groups-fibre-bundles@proof-36 ¶
proves proof app:A-long-proofs@proof-254 ¶

Nothing declares a dependency on this node yet.

Every logical edge within two steps of this node.

type	direction	node	provenance	where
`depends_on`	→	Witt algebra	declared	appendices/A-long-proofs.tex:20724
`depends_on`	→	The classifying group	declared	appendices/A-long-proofs.tex:20724
`depends_on`	→	$H^{2}$ classifies the central extensions	declared	appendices/A-long-proofs.tex:20724
`proves`	←	app:A-long-proofs@proof-254	declared	appendices/A-long-proofs.tex:20727