Theorems · Definition · commutative algebra
Algebra.norm
(R : Type u_1) → {S : Type u_2} → [inst : CommRing R] → [inst_1 : Ring S] → [Algebra R S] → S →* RThe norm of an element s of an R-algebra is the determinant of (*) s.
- Defined in
- Mathlib.RingTheory.Norm.Defs
- Cited by
- 155 results in Mathlib
- Foundations
- Depth 126 from the axioms, rests on 4,342 definitions · 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.
- CommRingstatement and proof · cited by 17,173
- Algebrastatement and proof · cited by 11,388
- Ringstatement and proof · cited by 7,463
- MonoidHomstatement · cited by 3,629
- AlgHom.toRingHomproof · cited by 490
- MonoidHom.compproof · cited by 469
- RingHom.toMonoidHomproof · cited by 132
- LinearMap.detproof · cited by 127
- Algebra.lmulproof · cited by 41
Cited by159
Results whose statement or proof uses this declaration.
- FractionalIdeal.absNormproof · cited by 19
- Ideal.absNorm_span_singletonstatement · cited by 18
- Algebra.norm_algebraMapstatement · cited by 13
- Algebra.norm_eq_matrix_detstatement · cited by 10
- RingOfIntegers.normproof · cited by 9
- NumberField.Units.normstatement · cited by 8
- Algebra.norm_applystatement · cited by 8
- Algebra.norm_localizationstatement and proof · cited by 8
- NumberField.InfinitePlace.prod_eq_abs_normstatement and proof · cited by 8
- NumberField.mixedEmbedding.norm_eq_normstatement and proof · cited by 7
- Algebra.algebraMap_intNorm_fractionRingstatement · cited by 6
- Algebra.norm_eq_zero_iffstatement · cited by 6