A relative Cartier isomorphism and operator are constructed for arbitrary regular F-finite maps of locally Noetherian schemes, yielding new constancy results for mixed test ideals.
Bydlon : Counterexamples to B ertini theorems for test ideals , J
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Pulling back Cartier structures along regular maps
A relative Cartier isomorphism and operator are constructed for arbitrary regular F-finite maps of locally Noetherian schemes, yielding new constancy results for mixed test ideals.