Theorems · Definition · ring theory
MulSemiringAction.toAlgAut
(G : Type u_2) →
(R : Type u_3) →
(A : Type u_4) →
[inst : CommSemiring R] →
[inst_1 : Semiring A] →
[inst_2 : Algebra R A] →
[inst_3 : Group G] → [inst_4 : MulSemiringAction G A] → [SMulCommClass G R A] → G →* A ≃ₐ[R] AEach element of the group defines an algebra equivalence.
This is a stronger version of MulSemiringAction.toRingAut and
DistribMulAction.toModuleEnd.
- Defined in
- Mathlib.Algebra.Algebra.Equiv
- Cited by
- 10 results in Mathlib
- Foundations
- Depth 30 from the axioms · uses propext, Classical.choice, Quot.sound
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites9
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- Semiringstatement and proof · cited by 13,802
- Algebrastatement and proof · cited by 11,388
- CommSemiringstatement and proof · cited by 10,911
- Groupstatement and proof · cited by 6,238
- MonoidHomstatement · cited by 3,629
- SMulCommClassstatement and proof · cited by 1,927
- AlgEquivstatement · cited by 1,681
- MulSemiringActionstatement and proof · cited by 423
- MulSemiringAction.toAlgEquivproof · cited by 11
Cited by14
Results whose statement or proof uses this declaration.
- IsGaloisGroup.mulEquivAlgEquivproof · cited by 10
- IsGaloisGroup.card_eq_finrankproof · cited by 10
- IntermediateField.restrictRestrictAlgEquivMapHomproof · cited by 3
- AlgEquiv.restrictScalarsHomproof · cited by 3
- Ideal.inertiaDeg_smulproof · cited by 2
- Ideal.ramificationIdx_smulproof · cited by 2
- IsFractionRing.stabilizerHom_surjectiveproof · cited by 2
- FixedPoints.toAlgAut_bijectivestatement and proof · cited by 1
- FixedPoints.toAlgAut_surjectivestatement and proof · cited by 1
- MulSemiringAction.toAlgAut_applystatement and proof · cited by 1
- IntermediateField.restrictRestrictAlgEquivMapHom_injectiveproof · cited by 0
- FixedPoints.toAlgAutMulEquivproof · cited by 0