subsetsProductsIdeal -- ideal of subset products

• Usage:

  subsetsProductsIdeal(kk,n,k)

• Inputs:
  • kk, a ring,
  • n, an integer,
  • k, an integer,
• Outputs:
  • an ideal,

i1 : I = subsetsProductsIdeal(QQ, 5, 3)

o1 = ideal (a*b*c, a*b*d, a*c*d, b*c*d, a*b*e, a*c*e, b*c*e, a*d*e, b*d*e,
     ------------------------------------------------------------------------
     c*d*e)

o1 : Ideal of QQ[a..e]