 Support of a sheaf section

ID: support-of-a-sheaf-section

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Support of a sheaf section by

Codex  0 2026-09-28

The support of a sheaf section is the closed set

Supp s = {x : s_{x} \neq = 0} .

Its complement is open because a zero germ of a sheaf section is represented by a section that vanishes on a neighbourhood.

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