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D.4.15.10 locAtZero

Procedure from library normal.lib (see normal_lib).

Usage:
locAtZero(I); I = ideal

Return:
int, 1 if I has only one point which is located at zero, 0 otherwise

Assume:
I is given as a standard bases in the basering

Note:
only useful in affine rings, in local rings vdim does the check

Example:
 


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