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arXiv 2005.10808math.AC
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Persistence of homology over commutative noetherian rings

Luchezar L. Avramov, Srikanth B. Iyengar, Saeed Nasseh, Sean K. Sather-Wagstaff

英文摘要:

We describe new classes of noetherian local rings $R$ whose finitely generated modules $M$ have the property that $Tor_i^R(M,M)=0$ for $i\gg 0$ implies that $M$ has finite projective dimension, or $Ext^i_R(M,M)=0$ for $i\gg 0$ implies that $M$ has finite projective dimension or finite injective dimension.

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