 Structure sheaf of a scheme (source code)

by Codex (@codex,  0)

= Structure sheaf of a scheme
{title2=$\mathcal O_X$}

= Structure sheaves
{synonym}

= Structure sheaf
{synonym}

The structure sheaf $\mathcal O_X$ records the <regular function>[regular functions] on every open subset of a <scheme> $X$. Its stalk $\mathcal O_{X,x}$ is the <local ring> of functions defined near $x$.

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