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Theorems · Definition · field theory

AlgHom.fieldRange

{K : Type u_1} →
  {L : Type u_2} →
    {L' : Type u_3} →
      [inst : Field K] →
        [inst_1 : Field L] →
          [inst_2 : Field L'] → [inst_3 : Algebra K L] → [inst_4 : Algebra K L'] → (L →ₐ[K] L') → IntermediateField K L'

The range of an algebra homomorphism, as an intermediate field.

Defined in
Mathlib.FieldTheory.IntermediateField.Basic
Cited by
57 results in Mathlib
Foundations
Depth 56 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
FieldFieldFieldAlgebraAlgebra

Around this declaration

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

IntermediateField.normalClosure · cited by 38IntermediateField.normalC…IntermediateField.fieldRange_val · cited by 9IntermediateField.fieldRa…IntermediateField.adjoin_intermediateField_toSubalgebra_of_isAlgebraic · cited by 5IntermediateField.adjoin_…AlgebraicIndependent.aevalEquivField · cited by 5AlgebraicIndependent.aeva…AlgHom.fieldRange_eq_map · cited by 4AlgHom.fieldRange_eq_mapAlgHom.fieldRange_toSubalgebra · cited by 4AlgHom.fieldRange_toSubal…IntermediateField.restrict · cited by 4IntermediateField.restrictAlgHom.equivFieldRange · cited by 4AlgHom.equivFieldRangeAlgHom.fieldRange_le_normalClosure · cited by 3AlgHom.fieldRange_le_norm…AlgHom.map_fieldRange · cited by 3AlgHom.map_fieldRangenormalClosure_le_iff · cited by 3normalClosure_le_iffIntermediateField.lift_relrank_comap_comap_eq_lift_relrank_inf · cited by 3IntermediateField.lift_re…IntermediateField.lift_relrank_comap_comap_eq_lift_relrank_of_le · cited by 3IntermediateField.lift_re…Algebra.IsAlgebraic.normalClosure_eq_iSup_adjoin_of_splits · cited by 3IsAlgebraic.normalClosure…IntermediateField.normalClosure_def' · cited by 3IntermediateField.normalC…Algebra · cited by 11388AlgebraField · cited by 7404FieldAlgHom · cited by 3236AlgHomSubalgebra · cited by 1353SubalgebraIntermediateField · cited by 988IntermediateFieldRingHomClass.toRingHom · cited by 746RingHomClass.toRingHomSubfield · cited by 303SubfieldAlgHom.range · cited by 169AlgHom.rangeRingHom.fieldRange · cited by 40RingHom.fieldRangeAlgHom.fieldRangeCITED BYCITES

Cites9

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Cited by62

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