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A.3.9 Primary decomposition

There are two algorithms implemented in SINGULAR which provide primary decomposition: primdecGTZ, based on Gianni/Trager/Zacharias (written by Gerhard Pfister) and primdecSY, based on Shimoyama/Yokoyama (written by Wolfram Decker and Hans Schoenemann).

The result of primdecGTZ and primdecSY is returned as a list of pairs of ideals, where the second ideal is the prime ideal and the first ideal the corresponding primary ideal.

 


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