Pure Subrings of Regular Rings Are Pseudo-rational
نویسنده
چکیده
We prove a generalization of the Hochster-Roberts-Boutot-Kawamata Theorem conjectured in [1]: let R → S be a pure homomorphism of equicharacteristic zero Noetherian local rings. If S is regular, then R is pseudo-rational, and if R is moreover Q-Gorenstein, then it is pseudo-log-terminal.
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