| doubleSigma {braids} | R Documentation |
Double generator
Description
Generator \sigma_{s,t} in the Birman-Ko-Lee new
presentation. It twists the strands s and t while going over
all other strands (for t=s+1, this is \sigma_s).
Usage
doubleSigma(n, s, t)
Arguments
n |
number of strands, integer |
s, t |
indices of two strands, |
Value
A braid object.
Examples
doubleSigma(5, 1, 3)
[Package braids version 1.0.0 Index]