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] |