[[Mathematics MOC]]
# Monstrous moonshine MOC

For now, this Zettel links to files covered in FLM's [[Sources/@frenkelVertexOperatorAlgebras1988|Vertex operator algebras and the Monster]].

#### Chapter 1

- [[Universal enveloping algebra]]
- [[Induced module]]
- [[Affine Lie algebra]], [[Twisted affine Lie algebra]]
- [[Heisenberg algebra]], [[Modules of a Heisenberg algebra]], [[Heisenberg module]]
- [[Triangular Lie algebra]], [[Triangular module]], [[Contravariant form on a triangular module]]
- [[Virasoro algebra]]
- [[Natural Heisenberg algebras]] $\hat{\mathfrak{h}}_{Z}$
- [[Graded dimension]]

#### Chapter 2

- [[Formal calculus MOC]]

#### Chapter 3

- [[sl_2]]
- [[Affine Lie algebras of sl_2]]
- [[Twisted vertex operator representation of sl_2ˆ]]
- [[Normal ordered product]]

#### Chapter 5

- [[Central group extension]]
- [[Central extension of an abelian group]]

#### Chapter 8

- [[Vertex algebra]]
- [[Vertex operator algebra]]

#### Chapter 10

- [[Golay code]]

#
---
#MOC | #state/develop | #lang/en | #SemBr