Documentation

Mathlib.Topology.Algebra.Group.ZPow

Integer powers in topological groups #

Continuity results for integer powers and integer scalar multiplication in topological groups.

theorem continuous_zpow {G : Type u_1} [TopologicalSpace G] [Group G] [IsTopologicalGroup G] (z : ) :
Continuous fun (a : G) => a ^ z
theorem continuous_zsmul {G : Type u_1} [TopologicalSpace G] [AddGroup G] [IsTopologicalAddGroup G] (z : ) :
Continuous fun (a : G) => z a
theorem Continuous.zpow {G : Type u_1} {α : Type u_2} [TopologicalSpace G] [Group G] [IsTopologicalGroup G] [TopologicalSpace α] {f : αG} (h : Continuous f) (z : ) :
theorem Continuous.fun_zpow {G : Type u_1} {α : Type u_2} [TopologicalSpace G] [Group G] [IsTopologicalGroup G] [TopologicalSpace α] {f : αG} (h : Continuous f) (z : ) :
Continuous fun (i : α) => f i ^ z

Eta-expanded form of Continuous.zpow

theorem Continuous.zsmul {G : Type u_1} {α : Type u_2} [TopologicalSpace G] [AddGroup G] [IsTopologicalAddGroup G] [TopologicalSpace α] {f : αG} (h : Continuous f) (z : ) :
theorem Continuous.fun_zsmul {G : Type u_1} {α : Type u_2} [TopologicalSpace G] [AddGroup G] [IsTopologicalAddGroup G] [TopologicalSpace α] {f : αG} (h : Continuous f) (z : ) :
Continuous fun (i : α) => z f i
theorem continuousOn_zpow {G : Type u_1} [TopologicalSpace G] [Group G] [IsTopologicalGroup G] {s : Set G} (z : ) :
ContinuousOn (fun (x : G) => x ^ z) s
theorem continuousOn_zsmul {G : Type u_1} [TopologicalSpace G] [AddGroup G] [IsTopologicalAddGroup G] {s : Set G} (z : ) :
ContinuousOn (fun (x : G) => z x) s
theorem continuousAt_zpow {G : Type u_1} [TopologicalSpace G] [Group G] [IsTopologicalGroup G] (x : G) (z : ) :
ContinuousAt (fun (x : G) => x ^ z) x
theorem continuousAt_zsmul {G : Type u_1} [TopologicalSpace G] [AddGroup G] [IsTopologicalAddGroup G] (x : G) (z : ) :
ContinuousAt (fun (x : G) => z x) x
theorem Filter.Tendsto.zpow {G : Type u_1} [TopologicalSpace G] [Group G] [IsTopologicalGroup G] {α : Type u_3} {l : Filter α} {f : αG} {x : G} (hf : Tendsto f l (nhds x)) (z : ) :
Tendsto (fun (x : α) => f x ^ z) l (nhds (x ^ z))
theorem Filter.Tendsto.zsmul {G : Type u_1} [TopologicalSpace G] [AddGroup G] [IsTopologicalAddGroup G] {α : Type u_3} {l : Filter α} {f : αG} {x : G} (hf : Tendsto f l (nhds x)) (z : ) :
Tendsto (fun (x : α) => z f x) l (nhds (z x))
theorem ContinuousWithinAt.zpow {G : Type u_1} {α : Type u_2} [TopologicalSpace G] [Group G] [IsTopologicalGroup G] [TopologicalSpace α] {f : αG} {x : α} {s : Set α} (hf : ContinuousWithinAt f s x) (z : ) :
theorem ContinuousWithinAt.fun_zpow {G : Type u_1} {α : Type u_2} [TopologicalSpace G] [Group G] [IsTopologicalGroup G] [TopologicalSpace α] {f : αG} {x : α} {s : Set α} (hf : ContinuousWithinAt f s x) (z : ) :
ContinuousWithinAt (fun (i : α) => f i ^ z) s x

Eta-expanded form of ContinuousWithinAt.zpow

theorem ContinuousWithinAt.zsmul {G : Type u_1} {α : Type u_2} [TopologicalSpace G] [AddGroup G] [IsTopologicalAddGroup G] [TopologicalSpace α] {f : αG} {x : α} {s : Set α} (hf : ContinuousWithinAt f s x) (z : ) :
theorem ContinuousWithinAt.fun_zsmul {G : Type u_1} {α : Type u_2} [TopologicalSpace G] [AddGroup G] [IsTopologicalAddGroup G] [TopologicalSpace α] {f : αG} {x : α} {s : Set α} (hf : ContinuousWithinAt f s x) (z : ) :
ContinuousWithinAt (fun (i : α) => z f i) s x
theorem ContinuousAt.zpow {G : Type u_1} {α : Type u_2} [TopologicalSpace G] [Group G] [IsTopologicalGroup G] [TopologicalSpace α] {f : αG} {x : α} (hf : ContinuousAt f x) (z : ) :
ContinuousAt (f ^ z) x
theorem ContinuousAt.fun_zpow {G : Type u_1} {α : Type u_2} [TopologicalSpace G] [Group G] [IsTopologicalGroup G] [TopologicalSpace α] {f : αG} {x : α} (hf : ContinuousAt f x) (z : ) :
ContinuousAt (fun (i : α) => f i ^ z) x

Eta-expanded form of ContinuousAt.zpow

theorem ContinuousAt.fun_zsmul {G : Type u_1} {α : Type u_2} [TopologicalSpace G] [AddGroup G] [IsTopologicalAddGroup G] [TopologicalSpace α] {f : αG} {x : α} (hf : ContinuousAt f x) (z : ) :
ContinuousAt (fun (i : α) => z f i) x
theorem ContinuousAt.zsmul {G : Type u_1} {α : Type u_2} [TopologicalSpace G] [AddGroup G] [IsTopologicalAddGroup G] [TopologicalSpace α] {f : αG} {x : α} (hf : ContinuousAt f x) (z : ) :
theorem ContinuousOn.zpow {G : Type u_1} {α : Type u_2} [TopologicalSpace G] [Group G] [IsTopologicalGroup G] [TopologicalSpace α] {f : αG} {s : Set α} (hf : ContinuousOn f s) (z : ) :
ContinuousOn (f ^ z) s
theorem ContinuousOn.fun_zpow {G : Type u_1} {α : Type u_2} [TopologicalSpace G] [Group G] [IsTopologicalGroup G] [TopologicalSpace α] {f : αG} {s : Set α} (hf : ContinuousOn f s) (z : ) :
ContinuousOn (fun (i : α) => f i ^ z) s

Eta-expanded form of ContinuousOn.zpow

theorem ContinuousOn.fun_zsmul {G : Type u_1} {α : Type u_2} [TopologicalSpace G] [AddGroup G] [IsTopologicalAddGroup G] [TopologicalSpace α] {f : αG} {s : Set α} (hf : ContinuousOn f s) (z : ) :
ContinuousOn (fun (i : α) => z f i) s
theorem ContinuousOn.zsmul {G : Type u_1} {α : Type u_2} [TopologicalSpace G] [AddGroup G] [IsTopologicalAddGroup G] [TopologicalSpace α] {f : αG} {s : Set α} (hf : ContinuousOn f s) (z : ) :