theorem
submodule_eq_iInf_localizedInField_maximal
(A : Type u_1)
[CommRing A]
[IsDomain A]
(K : Type u_2)
[Field K]
[Algebra A K]
[IsFractionRing A K]
(M : Submodule A K)
:
theorem
submodule_eq_iInf_localizedInField_prime
(A : Type u_1)
[CommRing A]
[IsDomain A]
(K : Type u_2)
[Field K]
[Algebra A K]
[IsFractionRing A K]
(M : Submodule A K)
:
theorem
submodule_eq_iInf_localizedInField
(A : Type u_1)
[CommRing A]
[IsDomain A]
(K : Type u_2)
[Field K]
[Algebra A K]
[IsFractionRing A K]
(M : Submodule A K)
:
⨅ (v : MaximalSpectrum A), M.localizedInField v.asIdeal.primeCompl = M ∧ ⨅ (v : PrimeSpectrum A), M.localizedInField v.asIdeal.primeCompl = M
theorem
subalgebra_iInf_localization_maximal_eq_bot
(A : Type u_1)
[CommRing A]
[IsDomain A]
(K : Type u_2)
[Field K]
[Algebra A K]
[IsFractionRing A K]
:
theorem
ideal_eq_iInf_comap_map_localization_maximal
(A : Type u_1)
[CommRing A]
[IsDomain A]
(I : Ideal A)
:
⨅ (𝔪 : MaximalSpectrum A),
Ideal.comap (algebraMap A (Localization 𝔪.asIdeal.primeCompl))
(Ideal.map (algebraMap A (Localization 𝔪.asIdeal.primeCompl)) I) = I
theorem
ideal_eq_iInf_comap_map_localization_prime
(A : Type u_1)
[CommRing A]
[IsDomain A]
(I : Ideal A)
:
⨅ (𝔭 : PrimeSpectrum A),
Ideal.comap (algebraMap A (Localization 𝔭.asIdeal.primeCompl))
(Ideal.map (algebraMap A (Localization 𝔭.asIdeal.primeCompl)) I) = I
theorem
ideal_eq_iInf_comap_map_localization
(A : Type u_1)
[CommRing A]
[IsDomain A]
(I : Ideal A)
:
⨅ (𝔪 : MaximalSpectrum A),
Ideal.comap (algebraMap A (Localization 𝔪.asIdeal.primeCompl))
(Ideal.map (algebraMap A (Localization 𝔪.asIdeal.primeCompl)) I) = ⨅ (𝔭 : PrimeSpectrum A),
Ideal.comap (algebraMap A (Localization 𝔭.asIdeal.primeCompl))
(Ideal.map (algebraMap A (Localization 𝔭.asIdeal.primeCompl)) I) ∧ ⨅ (𝔪 : MaximalSpectrum A),
Ideal.comap (algebraMap A (Localization 𝔪.asIdeal.primeCompl))
(Ideal.map (algebraMap A (Localization 𝔪.asIdeal.primeCompl)) I) = I
theorem
isDVR_localization_iff_integrallyClosed_dimensionLEOne
(A : Type u_1)
[CommRing A]
[IsDomain A]
[IsNoetherianRing A]
:
(∀ (P : Ideal A), P ≠ ⊥ → ∀ (x : P.IsPrime), IsDiscreteValuationRing (Localization.AtPrime P)) ↔ IsIntegrallyClosed A ∧ Ring.DimensionLEOne A
theorem
integrallyClosed_dimensionLEOne_iff_isDedekindDomain
(A : Type u_1)
[CommRing A]
[IsDomain A]
[IsNoetherianRing A]
: