🌐EnglishEnglishDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsSvenskaTiếng ViệtTürkçeРусскийالعربيةفارسی한국어中文日本語EntityQ595298· pop 28· linked from 465 articlessheafcollection of objects associated to subsets of a space in a manner admitting gluing and restrictionAvailable in 28 languagesEspañolFrançaisDeutsch中文日本語РусскийPortuguêsItalianoالعربيةBasqueCatalanConnectionscoherent sheafEntityfunctorEntityCategoriesAlgebraic topologySheaf theoryTopological methods of algebraic geometry