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Theorems · Theorem · commutative algebra

AlgHom.comp_algebraMap_of_tower

∀ (R : Type u) {S : Type v} {A : Type w} {B : Type u₁} [inst : CommSemiring R] [inst_1 : CommSemiring S]
  [inst_2 : Semiring A] [inst_3 : Semiring B] [inst_4 : Algebra R S] [inst_5 : Algebra S A] [inst_6 : Algebra S B]
  [inst_7 : Algebra R A] [inst_8 : Algebra R B] [IsScalarTower R S A] [IsScalarTower R S B] (f : A →ₐ[S] B),
  (↑f).comp (algebraMap R A) = algebraMap R B
Defined in
Mathlib.Algebra.Algebra.Tower
Cited by
23 results in Mathlib
Foundations
Depth 23 from the axioms · uses propext, Quot.sound
Assumes
CommSemiringCommSemiringSemiringSemiringAlgebraAlgebraAlgebraAlgebraAlgebraIsScalarTowerIsScalarTower

Around this declaration

Dashed lines are statement dependencies; solid lines are citations in proofs.

isIntegral_algHom_iff · cited by 15isIntegral_algHom_iffWeierstrassCurve.map_baseChange · cited by 14WeierstrassCurve.map_base…CommRingCat.isPushout_tensorProduct · cited by 7CommRingCat.isPushout_ten…Algebra.FormallySmooth.of_isLocalization · cited by 6FormallySmooth.of_isLocal…Algebra.FormallyUnramified.of_isLocalization · cited by 5FormallyUnramified.of_isL…MvPowerSeries.comp_aeval · cited by 3MvPowerSeries.comp_aevalModule.End.IsSemisimple.of_mem_adjoin_pair · cited by 3IsSemisimple.of_mem_adjoi…NumberField.ComplexEmbedding.lift_comp_algebraMap · cited by 3ComplexEmbedding.lift_com…Algebra.TensorProduct.includeLeftRingHom_comp_algebraMap · cited by 2TensorProduct.includeLeft…Algebra.WeaklyQuasiFiniteAt.baseChange · cited by 2WeaklyQuasiFiniteAt.baseC…Localization.exists_finite_awayMapₐ_of_surjective_awayMapₐ · cited by 1Localization.exists_finit…MvPolynomial.universalFactorizationMapPresentation_jacobian · cited by 1MvPolynomial.universalFac…Algebra.IsSmoothAt.exists_isStandardEtale_mvPolynomial · cited by 1IsSmoothAt.exists_isStand…Algebra.exists_etale_isIdempotentElem_forall_liesOver_eq_aux · cited by 1Algebra.exists_etale_isId…Algebra.exists_etale_isIdempotentElem_forall_liesOver_eq_aux₂ · cited by 1Algebra.exists_etale_isId…Semiring · cited by 13802SemiringAlgebra · cited by 11388AlgebraCommSemiring · cited by 10911CommSemiringRingHom · cited by 10189RingHomAlgebra.algebraMap · cited by 4706Algebra.algebraMapIsScalarTower · cited by 3896IsScalarTowerAlgHom · cited by 3236AlgHomRingHom.comp · cited by 899RingHom.compRingHomClass.toRingHom · cited by 746RingHomClass.toRingHomRingHom.ext · cited by 331RingHom.extAlgHom.map_algebraMap · cited by 6AlgHom.map_algebraMapAlgHom.comp_algebraMap_of_tow…CITED BYCITES

Cites11

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Cited by23

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