muEC::SG::Perm2Betti( [3,4,1,2], q );
muEC::SG::Perm2Betti – computes the Betti polynomial
The muEC::SG::Perm2Betti function computes the generating function of the lengths of all permutations that are smaller than a given permutation p, according to Bruhat order.
Call:
muEC::SG::Perm2Betti(p, q)
Parameters:
|
p: |
any list denoting a permutation |
|
q: |
a formal variable |
Related Functions:
muEC::SG::CompPerm, muEC::SG::Perm2Interval
muEC::SG::Perm2Betti( [3,4,1,2], q );