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On the Equality of Test Ideals

Authors :
Aberbach, Ian
Huneke, Craig
Polstra, Thomas
Publication Year :
2023

Abstract

We provide a natural criterion which implies equality of the finitistic test ideal and test ideal in local rings of prime characteristic. Most notably, we show that the criterion is met by every local weakly $F$-regular ring whose anti-canonical algebra is Noetherian on the punctured spectrum.<br />Comment: Comments welcome. arXiv admin note: substantial text overlap with arXiv:1909.11231

Details

Database :
arXiv
Publication Type :
Report
Accession number :
edsarx.2301.02202
Document Type :
Working Paper