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The ramification-index equality conjecture for finite flat algebras over a DVR
Let $R$ be a DVR with residue field $k$ and let $A$ be a finite and flat $R$ -algebra. Write $e^{A}$ for its ramification invariant, $\textup{rk} A$ for its rank, and…
Conjectureopendiscrete-valuation-rings finite-flat-algebras ramification-theoryarXiv posted 2 days ago

The ramification-index equality conjecture for finite flat algebras over a DVR