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freealg (version 1.1-8)

adjoint: The adjoint map

Description

The adjoint \(\mathrm{ad}_X\) of \(X\) is a map from a Lie group \(G\) to the endomorphism group of \(G\) defined by

$$\mathrm{ad}_X(Y)=\left[X,Y\right]$$

Usage

ad(x)

Arguments

x

Object nominally of class freealg but other classes accepted where they make sense

Author

Robin K. S. Hankin

Details

details here

Examples

Run this code

x <- rfalg()
y <- rfalg()

f <- ad(x)
f(y)


f(f(y)) # [x,[x,y]]

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