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bn:03277080n
Noun Concept
Categories: Group theory, Group theory stubs, Subgroup properties
EN
retract
EN
In mathematics, in the field of group theory, a subgroup of a group is termed a retract if there is an endomorphism of the group that maps surjectively to the subgroup and is the identity on the subgroup. Wikipedia
English:
group theory
Definitions
Sources
EN
In mathematics, in the field of group theory, a subgroup of a group is termed a retract if there is an endomorphism of the group that maps surjectively to the subgroup and is the identity on the subgroup. Wikipedia
Wikipedia
EN
retract (group theory)
Wikidata
EN
Retract

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