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Theorems · Definition · number theory

Rat.HeightOneSpectrum.adicCompletionIntegers.padicIntEquiv

{R : Type u_2} →
  [inst : CommRing R] →
    [inst_1 : Algebra R ℚ] →
      [inst_2 : IsIntegralClosure R ℤ ℚ] →
        [inst_3 : IsDedekindDomain R] →
          [inst_4 : IsFractionRing R ℚ] →
            (v : IsDedekindDomain.HeightOneSpectrum R) →
              ↥(IsDedekindDomain.HeightOneSpectrum.adicCompletionIntegers ℚ v) ≃A[ℤ]
                ℤ_[↑(Rat.HeightOneSpectrum.primesEquiv v)]

The continuous -algebra isomorphism between v.adicCompletionIntegers ℚ and ℤ_[primesEquiv v].

Defined in
Mathlib.NumberTheory.Padics.HeightOneSpectrum
Cited by
4 results in Mathlib
Foundations
Depth 186 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
CommRingAlgebraIsIntegralClosureIsDedekindDomainIsFractionRing

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Cites42

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