Could anyone give me a hint how to show this one:
Let $V$ be a finite set of points in projective space. How to show that the coordinate ring of $V$ is Cohen-Macaulay?
2026-03-26 01:23:31.1774488211
How to show that the coordinate ring of a finite set of points in projective space is Cohen-Macaulay?
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Proof 1: Regular $\implies$ Cohen-Macaulay.
Proof 2: Artinian $\implies$ Cohen-Macaulay.