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Posets :: hPolynomial

hPolynomial -- computes the h-polynomial of a poset

Synopsis

Description

Suppose f is the fPolynomial of P, and d is the degree of f. Then the h-polynomial of P is the polynomial (1-q)d f(q/(1-q)).
i1 : hPolynomial booleanLattice 3

      2
o1 = q  + 4q + 1

o1 : ZZ[q]
The h-polynomial of the n chain is 1.
i2 : hPolynomial chain 5

o2 = 1

o2 : ZZ[q]

See also

Ways to use hPolynomial :