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D.15.2.9 linearlyEquivalent

Procedure from library divisors.lib (see divisors_lib).

Usage:
linearlyEquivalent(A,B); A = divisor, B = divisor.

Assume:
A and B are divisors on X.

Return:
list if A and B a linearly equivalent and int 0 otherwise.

Theory:
Checks whether A-B is principle. If yes, returns a list L=(f,g) where A - B = (f/g).

Example:
 


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