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D.4.5.9 AssEHV

Procedure from library ehv.lib (see ehv_lib).

Usage:
AssEHV(I [,Strategy]); I Ideal, Strategy list

Return:
a list, the associated prime ideals of I

Note:
Uses the algorithm of Eisenbud/Huneke/Vasconcelos.
The (optional) second argument determines the strategy used: Strategy[1] > strategy for the equidimensional part = 0 : uses equiMaxEHV
= 1 : uses equidimMax
Strategy[2] > strategy for the equidimensional radical = 0 : uses equiRadEHV
= 1 : uses equiRadical
Strategy[3] > strategy for equiRadEHV
= 0 : combination of strategy 1 and 2
= 1 : computation of the radical just with the
help of regular sequences
= 2 : does not try to find a regular sequence
Strategy[4] > strategy for the computation of ideal quotients = n : uses quot(.,.,n) for the ideal quotient computations If no second argument is given, Strategy=(0,0,0,0) is used.

Example:
 


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