🌐EnglishEnglishDeutschEspañolFrançaisPortuguêsРусский한국어中文日本語EntityQ381725· pop 9· linked from 165 articlesexact functorfunctor that preserves short exact sequencesAvailable in 9 languagesEspañolFrançaisDeutsch中文日本語РусскийUkrainian한국어via Wikidata sitelinks · CC0ConnectionsfunctorEntitystrict 2-categoryEntityCategoriesAdditive categoriesFunctorsHomological algebra