🌐EnglishEnglishDeutschEspañolFrançaisItalianoPortuguêsРусскийفارسی한국어中文日本語EntityQ1426191· pop 13· linked from 77 articlesflat modulemodule such that taking the tensor product with it induces an exact functorAvailable in 13 languagesEspañolFrançaisDeutsch中文日本語РусскийItalianoGreekHebrewUkrainianفارسیConnectionsexact sequenceEntityidealEntityCategoriesAlgebraic geometryHomological algebraModule theory