The completion of a number field at an infinite place #
def
NumberField.InfinitePlace.Completion.comapSemialgHom
{K : Type u_1}
{L : Type u_2}
[Field K]
[Field L]
[Algebra K L]
{v : InfinitePlace K}
{w : InfinitePlace L}
(h : w.comap (algebraMap K L) = v)
:
Equations
Instances For
theorem
NumberField.InfinitePlace.Completion.comapSemialgHom_cont
{K : Type u_1}
{L : Type u_2}
[Field K]
[Field L]
[Algebra K L]
{v : InfinitePlace K}
{w : InfinitePlace L}
(h : w.comap (algebraMap K L) = v)
:
@[reducible, inline]
abbrev
NumberField.InfinitePlace.Completion.baseChange
{K : Type u_1}
(L : Type u_2)
[Field K]
[Field L]
[Algebra K L]
(v : InfinitePlace K)
:
Equations
- One or more equations did not get rendered due to their size.
Instances For
instance
NumberField.InfinitePlace.Completion.instTopologicalSpaceTensorProduct_fLT
{K : Type u_1}
(L : Type u_2)
[Field K]
[Field L]
[Algebra K L]
(v : InfinitePlace K)
:
TopologicalSpace (TensorProduct K L v.Completion)
instance
NumberField.InfinitePlace.Completion.instIsModuleTopologyTensorProduct_fLT
{K : Type u_1}
(L : Type u_2)
[Field K]
[Field L]
[Algebra K L]
(v : InfinitePlace K)
:
IsModuleTopology v.Completion (TensorProduct K L v.Completion)
def
NumberField.InfinitePlace.Completion.piExtensionPlaceContinuousAlgHom
{K : Type u_1}
(L : Type u_2)
[Field K]
[Field L]
[Algebra K L]
(v : InfinitePlace K)
:
Equations
- NumberField.InfinitePlace.Completion.piExtensionPlaceContinuousAlgHom L v = { toAlgHom := (NumberField.InfinitePlace.Completion.baseChange L v).baseChange_of_algebraMap, cont := ⋯ }