nLab vanishing ideal


Let XX be some kind of space with 𝒪(X)\mathcal{O}(X) some kind of ring of functions on XX. Then for SXS \subset X a subspace, of kind, its vanishing ideal is the ideal I(S)𝒪(X)I(S) \subset \mathcal{O}(X) of all those functions that vanish when restricted to SS.

Created on April 24, 2017 at 11:10:04. See the history of this page for a list of all contributions to it.