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For questions about sheaves on a topological space.

5 votes
2 answers
903 views

Can a nontrivial presheaf have a trivial sheafification?

I'm studying Vakil's Foundations of Algebraic Geometry, and working through the exercises in 2.4 about compatible germs as a method for constructing a sheafification of a given presheaf. Can this cons …
Jeremy Gross's user avatar