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math.AC2011
F-invariants of diagonal hypersurfaces
Daniel J. Hernández
In this note, we derive a formula for the F-pure threshold of diagonal hypersurfaces over a perfect field of prime characteristic. We also calculate the associated test ideal at th…
math.AC2011★ 4 cited
F-purity of hypersurfaces
Daniel J. Hernández
In this note, we study F-purity of pairs, and show (as is the case with log canonicity) that F-purity is preserved at the F-pure threshold. We also characterize when F-purity is eq…