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For questions having to do with projective and injective dimensions of modules, global dimension of rings and algebras, and related concepts.

6 votes

Depth and dimension

In the paper "Eine Dualität zwischen den Funktoren Ext und Tor" (J. Algebra 11, 510–531) Ischebeck shows that if $A$ admits a finitely generated module $N$ of finite injective dimension, then the answ …
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