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math.AG2026
Perfectoid Pure and Signature Pairs
Hanlin Cai, Anne Fayolle, Linquan Ma +4
We extend perfectoid purity and related invariants to divisor pairs in mixed characteristic. The resulting purity condition agrees with -purity of pairs in characteristic as…
math.AC2026
The WittVectors package for Macaulay2
Anne Fayolle, Abhay Goel, Devlin Mallory +2
We implement a Macaulay2 package for computations involving rings of truncated Witt vectors of a finitely generated $\F_p$-algebra . This package includes ring operatio…