Package sage :: Package groups :: Package abelian_gps :: Module abelian_group_morphism

Module abelian_group_morphism


Homomorphisms of abelian groups

TODO:
    * there must be a homspace first
    * there should be hom and Hom methods in abelian group

AUTHORS:
    -- David Joyner (2006-03-03): initial version

Classes

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AbelianGroupMap
A set-theoretic map between AbelianGroups.

AbelianGroupMorphism_id
Return the identity homomorphism from X to itself.

AbelianGroupMorphism
Some python code for wrapping GAP's GroupHomomorphismByImages function for abelian groups.

Functions

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is_AbelianGroupMorphism(f)

source code