Measurable space structure on WithLp #
If X is a measurable space, we set the measurable space structure on WithLp p X to be the
same as the one on X.
@[implicit_reducible]
instance
WithLp.measurableSpace
(p : ENNReal)
(X : Type u_1)
[MeasurableSpace X]
:
MeasurableSpace (WithLp p X)
theorem
WithLp.measurable_toLp
(p : ENNReal)
(X : Type u_1)
[MeasurableSpace X]
:
Measurable (toLp p)
instance
WithLp.borelSpace
(p : ENNReal)
(X : Type u_1)
[MeasurableSpace X]
(Y : Type u_2)
[MeasurableSpace Y]
[TopologicalSpace X]
[TopologicalSpace Y]
[BorelSpace X]
[BorelSpace Y]
[SecondCountableTopologyEither X Y]
:
BorelSpace (WithLp p (X ร Y))
instance
PiLp.borelSpace
(p : ENNReal)
{ฮน : Type u_2}
{X : ฮน โ Type u_3}
[Countable ฮน]
[(i : ฮน) โ MeasurableSpace (X i)]
[(i : ฮน) โ TopologicalSpace (X i)]
[โ (i : ฮน), BorelSpace (X i)]
[โ (i : ฮน), SecondCountableTopology (X i)]
:
BorelSpace (PiLp p X)
The map from X to WithLp p X as a measurable equivalence.
Instances For
theorem
MeasurableEquiv.coe_toLp
(p : ENNReal)
(X : Type u_1)
[MeasurableSpace X]
:
โ(MeasurableEquiv.toLp p X) = WithLp.toLp p
theorem
MeasurableEquiv.coe_toLp_symm
(p : ENNReal)
(X : Type u_1)
[MeasurableSpace X]
:
โ(MeasurableEquiv.toLp p X).symm = WithLp.ofLp
@[simp]
theorem
MeasurableEquiv.toLp_apply
(p : ENNReal)
(X : Type u_1)
[MeasurableSpace X]
(x : X)
:
(MeasurableEquiv.toLp p X) x = WithLp.toLp p x
@[simp]
theorem
MeasurableEquiv.toLp_symm_apply
(p : ENNReal)
(X : Type u_1)
[MeasurableSpace X]
(x : WithLp p X)
:
(MeasurableEquiv.toLp p X).symm x = x.ofLp