Bourbaki

Corollary 3

Tag 0E2X, permanent. Cite it as [Bourbaki, Tag 0E2X].

Algebra, chapter X, § 9. Complexes de Koszul

For Hi(x,M)H_i(x,M) to be zero for all i>0i>0, it is necessary and sufficient that the homothety with ratio xnx_n in Hi(x′,M)H_i(x',M) be bijective for i>0i>0, and that the homothety with ratio xnx_n in M/(x′)MM/(x')M be injective.

Bourbaki puts the proof directly after the statement, so what is above is the statement and its proof together.

Cited by

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Cites

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