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D.4.14.11 isirreducibleMon

Procedure from library monomialideal.lib (see monomialideal_lib).

Usage:
isirreducibleMon(I); I ideal

Return:
1, if I is irreducible; 0, otherwise.
(return -1 if I is not a monomial ideal)

Assume:
I is a monomial ideal of the basering.

Example:
 
LIB "monomialideal.lib";
ring R = 0,(w,x,y,z,t),lp;
ideal I = w^4,x^3,z^2,t^5;
isirreducibleMon (I);
==> 1
ideal J = w^4*x,x^3,z^2,t^5;
isirreducibleMon (J);
==> 0


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