Log canonicity of normal Q-Gorenstein lim-perfectoid pure singularities
Log canonicity of normal Q-Gorenstein lim-perfectoid pure singularities
Let be a normal -Gorenstein ring. The lim-perfectoid log-canonicity conjecture. If is lim-perfectoid pure, then is log canonical. The paper proves the corresponding assertion for perfectoid pure rings when the -Gorenstein index is not divisible by the residue characteristic, and conjectures that the index restriction can be removed, possibly after weakening perfectoid purity to lim-perfectoid purity.
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Primary source
Bhargav Bhatt, Linquan Ma, Zsolt Patakfalvi, Karl Schwede, Kevin Tucker, Joe Waldron and Jakub Witaszek, “Perfectoid pure singularities”, arXiv:2409.17965 (2026).
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