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D.4.13.8 radicalMon

Procedure from library monomialideal.lib (see monomialideal_lib).

Usage:
radicalMon(I); I ideal

Return:
an ideal, the radical ideal of the ideal I.
(returns -1 if I is not a monomial ideal)

Assume:
I is a monomial ideal of the basering.

Note:
the minimal monomial generating set is returned.

Example:
 
LIB "monomialideal.lib";
ring R = 0,(w,x,y,z,t),lp;
ideal I = w^3*x*y,w*x*y*z*t,x^2*y^2*z^2,x^2*z^4*t^3,y^3*z;
radicalMon(I);
==> _[1]=yz
==> _[2]=xzt
==> _[3]=wxy