Injective modules under flat base change

Foxby, Hans-Bjørn

doi:10.1090/S0002-9939-1975-0409439-7

Injective modules under flat base change
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by Hans-Bjørn Foxby PDF

Proc. Amer. Math. Soc. 50 (1975), 23-27 Request permission

Abstract:

It is proved that an injective module after a flat change of base is of pointwise finite injective dimension if and only if all the fibers at points associated to the injective module are Gorenstein rings (or trivial).

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