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D.4.12.1 NPos_test

Procedure from library noether.lib (see noether_lib).

Usage:
NPos_test (I); I monomial ideal

Return:
A list which first element is 1 if i is in Noether position 0 otherwise. The second element of this list is the list of variable which its first part is the variable such that a power of this varaibles belong to the initial of i. It return also the dimension of i if i is in Noether position

Assume:
i is a nonzero monomial ideal.


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