bn:01798619n
Noun Concept
Categories: Algebraic topology, Sheaf theory, Articles with short description, All articles needing additional references, Topological methods of algebraic geometry
EN
sheaf  sheaf theory  presheaf  complex of sheaves  Espace etale
EN
In mathematics, a sheaf is a tool for systematically tracking data attached to the open sets of a topological space and defined locally with regard to them. Wikipedia
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EN
In mathematics, a sheaf is a tool for systematically tracking data attached to the open sets of a topological space and defined locally with regard to them. Wikipedia
Object in mathematics Wikidata
An abstract construct in topology that associates data to the open sets of a topological space, together with well-defined restrictions from larger to smaller open sets, subject to the condition that compatible data on overlapping open sets corresponds, via the restrictions, to a unique datum on the union of the open sets. Wiktionary