[[Mathematics MOC]]
# Formal calculus MOC

- [[Formal sum]]
- [[Formal sums over a vector space]]
  - [[Formal sums over endomorphisms]]
  - [[Formal sums over a Lie algebra]]
- [[Normal ordered product]]

## Formal operators

- [[Formal derivative]]
- [[Degree operator on formal sums over a vector space]]

## Special formal sums

- [[Formal delta]]
- [[Formal exponential]]
- [[Formal logarithm]]
- [[Formal binomial expansion]]



## Bibliography

- 1988\. [[Sources/@frenkelVertexOperatorAlgebras1988|Vertex operator algebras and the Monster]], §2, pp. 47–60

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