Equality of perfectoid test ideals and multiplier ideals after inverting p
Equality of perfectoid test ideals and multiplier ideals after inverting p
Let be a pair, where is the regular ring and is the ideal appearing in the construction of the perfectoid test ideal . Let be the localization obtained by inverting , and let denote the multiplier ideal of the corresponding pair over the characteristic-zero ring . Equality conjecture. One expects
The paper proves the containment from left to right; the conjectured reverse containment would identify the perfectoid test ideal with the multiplier ideal after passing to .
Sources & referencesView supporting material
Primary source
Linquan Ma and Karl Schwede, “Perfectoid multiplier/test ideals in regular rings and bounds on symbolic powers”, arXiv:1705.02300 (2018).
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