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WeylGroups :: poincareSeries(RootSystem,RingElement)

poincareSeries(RootSystem,RingElement) -- the generating series of the Weyl group by length

Synopsis

Description

i1 : R=rootSystemA(2)

o1 = RootSystem{...8...}

o1 : RootSystem
i2 : ZZ[x]

o2 = ZZ[x]

o2 : PolynomialRing
i3 : poincareSeries(R,x)

      3     2
o3 = x  + 2x  + 2x + 1

o3 : ZZ[x]