coxeterLength(WeylGroupElement) -- the length of a reduced decomposition of an element of a Weyl group

Synopsis

• Function: coxeterLength
• Usage:
coxeterLength(w)
• Inputs:
• Outputs:
• an integer, the number of simple reflections in a reduced decomposition of w

Description

 i1 : coxeterLength longestWeylGroupElement rootSystemF4 o1 = 24