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Timeline for finite tor dimension

Current License: CC BY-SA 2.5

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Jun 18, 2010 at 7:17 comment added kaddar thank you very much Angelo. In fact, all flat and surjective morphims with no Cohen-Macaulay fibers gives, by finite projection or Noether quasi-normalization, finite tor dimension morphism...
Jun 17, 2010 at 13:04 history answered Angelo CC BY-SA 2.5