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3 changes: 3 additions & 0 deletions CHANGELOG_UNRELEASED.md
Original file line number Diff line number Diff line change
Expand Up @@ -8,6 +8,9 @@

### Renamed

- in `kernel.v`:
+ `isFiniteTransition` -> `isFiniteTransitionKernel`

### Generalized

### Deprecated
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18 changes: 15 additions & 3 deletions theories/kernel.v
Original file line number Diff line number Diff line change
Expand Up @@ -267,16 +267,28 @@ HB.structure Definition SigmaFiniteTransitionKernel
Notation "R .-sigmafker X ~> Y" := (sigma_finite_kernel X%type Y R).

(* interface for finite transition kernel *)
HB.mixin Record isFiniteTransition
HB.mixin Record isFiniteTransitionKernel
d d' (X : measurableType d) (Y : measurableType d')
(R : realType) (k : X -> {measure set Y -> \bar R}) := {
kernel_finite_transition : forall x, fin_num_fun (k x) }.

#[deprecated(since="mathcomp-analysis 1.11.0",
note="Use isFiniteTransitionKernel instead.")]
Notation isFiniteTransition x1 x2 x3 x4 x5 x6 :=
(isFiniteTransitionKernel x1 x2 x3 x4 x5 x6).

#[short(type=finite_transition_kernel)]
HB.structure Definition FiniteTransitionKernel
d d' (X : measurableType d) (Y : measurableType d') (R : realType) :=
{ k of @SFiniteKernel _ _ _ _ _ k &
isFiniteTransition _ _ X Y R k }.
isFiniteTransitionKernel _ _ X Y R k }.

Module isFiniteTransition.
#[deprecated(since="mathcomp-analysis 1.11.0",
note="Use isFiniteTransitionKernel.Build instead.")]
Notation Build x1 x2 x3 x4 x5 x6 :=
(isFiniteTransitionKernel.Build x1 x2 x3 x4 x5 x6) (only parsing).
End isFiniteTransition.

Notation "R .-ftker X ~> Y" := (finite_transition_kernel X%type Y R).

Expand Down Expand Up @@ -348,7 +360,7 @@ by rewrite (lt_trans (kr x)) ?ltry.
Qed.

HB.instance Definition _ :=
@isFiniteTransition.Build d d' X Y R k finite_transition_finite.
@isFiniteTransitionKernel.Build d d' X Y R k finite_transition_finite.

HB.instance Definition _ :=
@isMeasureFamUub.Build d d' X Y R k measure_uub.
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