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arxiv: 1906.03583 · v1 · pith:F6TZ4TXKnew · submitted 2019-06-09 · 🧮 math.NT · math.AC

A_(inf) is infinite dimensional

classification 🧮 math.NT math.AC
keywords infinitemathbfringtextvaluationcharacteristiccompletedimension
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Given a perfect valuation ring $R$ of characteristic $p$ that is complete with respect to a rank-$1$ nondiscrete valuation, we show that the ring $\mathbf{A}_{\text{inf}}$ of Witt vectors of $R$ has infinite Krull dimension.

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