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Macaulay2 website
WeylGroups
::
coxeterLength(WeylGroupElement)
coxeterLength(WeylGroupElement) -- the length of a reduced decomposition of an element of a Weyl group
Synopsis
Function:
coxeterLength
Usage:
coxeterLength(w)
Inputs:
w
,
an instance of the type
WeylGroupElement
Outputs:
an
integer
, the number of simple reflections in a reduced decomposition of
w
Description
i1 : coxeterLength longestWeylGroupElement rootSystemF4 o1 = 24