splitting lemma (Q2757856)
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lemma that, in an Abelian category, a short exact sequence, one of whose two morphisms admits a section or retraction into the middle term, is a direct sum
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English | splitting lemma |
lemma that, in an Abelian category, a short exact sequence, one of whose two morphisms admits a section or retraction into the middle term, is a direct sum |
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Wikipedia(7 entries)
- enwiki Splitting lemma
- eswiki Lema de escisión
- huwiki Hasadási lemma
- jawiki 分裂補題
- kowiki 분할 완전열
- viwiki Bổ đề chẻ
- zhwiki 分裂引理