Source: wikibot/hopfian-group
= Hopfian group
{wiki=Hopfian_group}
A Hopfian group is a type of group that satisfies a specific property related to its endomorphisms. Specifically, a group \\( G \\) is called a Hopfian group if every surjective (onto) endomorphism \\( f: G \\to G \\) is an isomorphism.