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locally_convex_space_iff_exists_convex_subset_zero : locally_convex_space 𝕜 E ↔ ∀ U ∈ (𝓝 0 : filter E), ∃ S ∈ (𝓝 0 : filter E), convex 𝕜 S ∧ S ⊆ U
(locally_convex_space_iff_zero 𝕜 E).trans has_basis_self
lemma
locally_convex_space_iff_exists_convex_subset_zero
topology.algebra.module
src/topology/algebra/module/locally_convex.lean
[ "analysis.convex.topology" ]
[ "convex", "filter", "locally_convex_space", "locally_convex_space_iff_zero" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
locally_convex_space.to_locally_connected_space [module ℝ E] [has_continuous_smul ℝ E] [locally_convex_space ℝ E] : locally_connected_space E
locally_connected_space_of_connected_bases _ _ (λ x, @locally_convex_space.convex_basis ℝ _ _ _ _ _ _ x) (λ x s hs, hs.2.is_preconnected)
instance
locally_convex_space.to_locally_connected_space
topology.algebra.module
src/topology/algebra/module/locally_convex.lean
[ "analysis.convex.topology" ]
[ "has_continuous_smul", "locally_connected_space", "locally_connected_space_of_connected_bases", "locally_convex_space", "module" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
locally_convex_space.convex_open_basis_zero [locally_convex_space 𝕜 E] : (𝓝 0 : filter E).has_basis (λ s, (0 : E) ∈ s ∧ is_open s ∧ convex 𝕜 s) id
(locally_convex_space.convex_basis_zero 𝕜 E).to_has_basis (λ s hs, ⟨interior s, ⟨mem_interior_iff_mem_nhds.mpr hs.1, is_open_interior, hs.2.interior⟩, interior_subset⟩) (λ s hs, ⟨s, ⟨hs.2.1.mem_nhds hs.1, hs.2.2⟩, subset_rfl⟩)
lemma
locally_convex_space.convex_open_basis_zero
topology.algebra.module
src/topology/algebra/module/locally_convex.lean
[ "analysis.convex.topology" ]
[ "convex", "filter", "is_open", "is_open_interior", "locally_convex_space", "locally_convex_space.convex_basis_zero" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
disjoint.exists_open_convexes [locally_convex_space 𝕜 E] {s t : set E} (disj : disjoint s t) (hs₁ : convex 𝕜 s) (hs₂ : is_compact s) (ht₁ : convex 𝕜 t) (ht₂ : is_closed t) : ∃ u v, is_open u ∧ is_open v ∧ convex 𝕜 u ∧ convex 𝕜 v ∧ s ⊆ u ∧ t ⊆ v ∧ disjoint u v
begin letI : uniform_space E := topological_add_group.to_uniform_space E, haveI : uniform_add_group E := topological_add_comm_group_is_uniform, have := (locally_convex_space.convex_open_basis_zero 𝕜 E).comap (λ x : E × E, x.2 - x.1), rw ← uniformity_eq_comap_nhds_zero at this, rcases disj.exists_uniform_thic...
lemma
disjoint.exists_open_convexes
topology.algebra.module
src/topology/algebra/module/locally_convex.lean
[ "analysis.convex.topology" ]
[ "convex", "disjoint", "is_closed", "is_compact", "is_open", "locally_convex_space", "locally_convex_space.convex_open_basis_zero", "uniform_add_group", "uniform_space", "uniform_space.ball" ]
In a locally convex space, if `s`, `t` are disjoint convex sets, `s` is compact and `t` is closed, then we can find open disjoint convex sets containing them.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
locally_convex_space_Inf {ts : set (topological_space E)} (h : ∀ t ∈ ts, @locally_convex_space 𝕜 E _ _ _ t) : @locally_convex_space 𝕜 E _ _ _ (Inf ts)
begin letI : topological_space E := Inf ts, refine locally_convex_space.of_bases 𝕜 E (λ x, λ If : set ts × (ts → set E), ⋂ i ∈ If.1, If.2 i) (λ x, λ If : set ts × (ts → set E), If.1.finite ∧ ∀ i ∈ If.1, ((If.2 i) ∈ @nhds _ ↑i x ∧ convex 𝕜 (If.2 i))) (λ x, _) (λ x If hif, convex_Inter $ λ i, conv...
lemma
locally_convex_space_Inf
topology.algebra.module
src/topology/algebra/module/locally_convex.lean
[ "analysis.convex.topology" ]
[ "convex", "convex_Inter", "infi_subtype''", "locally_convex_space", "locally_convex_space.of_bases", "locally_convex_space_iff", "nhds", "nhds_Inf", "topological_space" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
locally_convex_space_infi {ts' : ι → topological_space E} (h' : ∀ i, @locally_convex_space 𝕜 E _ _ _ (ts' i)) : @locally_convex_space 𝕜 E _ _ _ (⨅ i, ts' i)
begin refine locally_convex_space_Inf _, rwa forall_range_iff end
lemma
locally_convex_space_infi
topology.algebra.module
src/topology/algebra/module/locally_convex.lean
[ "analysis.convex.topology" ]
[ "locally_convex_space", "locally_convex_space_Inf", "topological_space" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
locally_convex_space_inf {t₁ t₂ : topological_space E} (h₁ : @locally_convex_space 𝕜 E _ _ _ t₁) (h₂ : @locally_convex_space 𝕜 E _ _ _ t₂) : @locally_convex_space 𝕜 E _ _ _ (t₁ ⊓ t₂)
by {rw inf_eq_infi, refine locally_convex_space_infi (λ b, _), cases b; assumption}
lemma
locally_convex_space_inf
topology.algebra.module
src/topology/algebra/module/locally_convex.lean
[ "analysis.convex.topology" ]
[ "inf_eq_infi", "locally_convex_space", "locally_convex_space_infi", "topological_space" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
locally_convex_space_induced {t : topological_space F} [locally_convex_space 𝕜 F] (f : E →ₗ[𝕜] F) : @locally_convex_space 𝕜 E _ _ _ (t.induced f)
begin letI : topological_space E := t.induced f, refine locally_convex_space.of_bases 𝕜 E (λ x, preimage f) (λ x, λ (s : set F), s ∈ 𝓝 (f x) ∧ convex 𝕜 s) (λ x, _) (λ x s ⟨_, hs⟩, hs.linear_preimage f), rw nhds_induced, exact (locally_convex_space.convex_basis $ f x).comap f end
lemma
locally_convex_space_induced
topology.algebra.module
src/topology/algebra/module/locally_convex.lean
[ "analysis.convex.topology" ]
[ "convex", "locally_convex_space", "locally_convex_space.of_bases", "nhds_induced", "topological_space" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
continuous_multilinear_map (R : Type u) {ι : Type v} (M₁ : ι → Type w₁) (M₂ : Type w₂) [semiring R] [∀i, add_comm_monoid (M₁ i)] [add_comm_monoid M₂] [∀i, module R (M₁ i)] [module R M₂] [∀i, topological_space (M₁ i)] [topological_space M₂] extends multilinear_map R M₁ M₂
(cont : continuous to_fun)
structure
continuous_multilinear_map
topology.algebra.module
src/topology/algebra/module/multilinear.lean
[ "topology.algebra.module.basic", "linear_algebra.multilinear.basic" ]
[ "add_comm_monoid", "cont", "continuous", "module", "multilinear_map", "semiring", "topological_space" ]
Continuous multilinear maps over the ring `R`, from `Πi, M₁ i` to `M₂` where `M₁ i` and `M₂` are modules over `R` with a topological structure. In applications, there will be compatibility conditions between the algebraic and the topological structures, but this is not needed for the definition.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
to_multilinear_map_injective : function.injective (continuous_multilinear_map.to_multilinear_map : continuous_multilinear_map R M₁ M₂ → multilinear_map R M₁ M₂)
| ⟨f, hf⟩ ⟨g, hg⟩ rfl := rfl
theorem
continuous_multilinear_map.to_multilinear_map_injective
topology.algebra.module
src/topology/algebra/module/multilinear.lean
[ "topology.algebra.module.basic", "linear_algebra.multilinear.basic" ]
[ "continuous_multilinear_map", "multilinear_map" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
continuous_map_class : continuous_map_class (continuous_multilinear_map R M₁ M₂) (Π i, M₁ i) M₂
{ coe := λ f, f.to_fun, coe_injective' := λ f g h, to_multilinear_map_injective $ multilinear_map.coe_injective h, map_continuous := continuous_multilinear_map.cont }
instance
continuous_multilinear_map.continuous_map_class
topology.algebra.module
src/topology/algebra/module/multilinear.lean
[ "topology.algebra.module.basic", "linear_algebra.multilinear.basic" ]
[ "continuous_map_class", "continuous_multilinear_map", "multilinear_map.coe_injective" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
simps.apply (L₁ : continuous_multilinear_map R M₁ M₂) (v : Π i, M₁ i) : M₂
L₁ v initialize_simps_projections continuous_multilinear_map (-to_multilinear_map, to_multilinear_map_to_fun → apply)
def
continuous_multilinear_map.simps.apply
topology.algebra.module
src/topology/algebra/module/multilinear.lean
[ "topology.algebra.module.basic", "linear_algebra.multilinear.basic" ]
[ "continuous_multilinear_map" ]
See Note [custom simps projection]. We need to specify this projection explicitly in this case, because it is a composition of multiple projections.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
coe_continuous : continuous (f : (Π i, M₁ i) → M₂)
f.cont
lemma
continuous_multilinear_map.coe_continuous
topology.algebra.module
src/topology/algebra/module/multilinear.lean
[ "topology.algebra.module.basic", "linear_algebra.multilinear.basic" ]
[ "continuous" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
coe_coe : (f.to_multilinear_map : (Π i, M₁ i) → M₂) = f
rfl
lemma
continuous_multilinear_map.coe_coe
topology.algebra.module
src/topology/algebra/module/multilinear.lean
[ "topology.algebra.module.basic", "linear_algebra.multilinear.basic" ]
[ "coe_coe" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
ext {f f' : continuous_multilinear_map R M₁ M₂} (H : ∀ x, f x = f' x) : f = f'
fun_like.ext _ _ H
theorem
continuous_multilinear_map.ext
topology.algebra.module
src/topology/algebra/module/multilinear.lean
[ "topology.algebra.module.basic", "linear_algebra.multilinear.basic" ]
[ "continuous_multilinear_map", "fun_like.ext" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
ext_iff {f f' : continuous_multilinear_map R M₁ M₂} : f = f' ↔ ∀ x, f x = f' x
by rw [← to_multilinear_map_injective.eq_iff, multilinear_map.ext_iff]; refl
theorem
continuous_multilinear_map.ext_iff
topology.algebra.module
src/topology/algebra/module/multilinear.lean
[ "topology.algebra.module.basic", "linear_algebra.multilinear.basic" ]
[ "continuous_multilinear_map", "multilinear_map.ext_iff" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
map_coord_zero {m : Πi, M₁ i} (i : ι) (h : m i = 0) : f m = 0
f.to_multilinear_map.map_coord_zero i h
lemma
continuous_multilinear_map.map_coord_zero
topology.algebra.module
src/topology/algebra/module/multilinear.lean
[ "topology.algebra.module.basic", "linear_algebra.multilinear.basic" ]
[]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
zero_apply (m : Πi, M₁ i) : (0 : continuous_multilinear_map R M₁ M₂) m = 0
rfl
lemma
continuous_multilinear_map.zero_apply
topology.algebra.module
src/topology/algebra/module/multilinear.lean
[ "topology.algebra.module.basic", "linear_algebra.multilinear.basic" ]
[ "continuous_multilinear_map" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
to_multilinear_map_zero : (0 : continuous_multilinear_map R M₁ M₂).to_multilinear_map = 0
rfl
lemma
continuous_multilinear_map.to_multilinear_map_zero
topology.algebra.module
src/topology/algebra/module/multilinear.lean
[ "topology.algebra.module.basic", "linear_algebra.multilinear.basic" ]
[ "continuous_multilinear_map" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
smul_apply (f : continuous_multilinear_map A M₁ M₂) (c : R') (m : Πi, M₁ i) : (c • f) m = c • f m
rfl
lemma
continuous_multilinear_map.smul_apply
topology.algebra.module
src/topology/algebra/module/multilinear.lean
[ "topology.algebra.module.basic", "linear_algebra.multilinear.basic" ]
[ "continuous_multilinear_map" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
to_multilinear_map_smul (c : R') (f : continuous_multilinear_map A M₁ M₂) : (c • f).to_multilinear_map = c • f.to_multilinear_map
rfl
lemma
continuous_multilinear_map.to_multilinear_map_smul
topology.algebra.module
src/topology/algebra/module/multilinear.lean
[ "topology.algebra.module.basic", "linear_algebra.multilinear.basic" ]
[ "continuous_multilinear_map" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
to_multilinear_map_add (f g : continuous_multilinear_map R M₁ M₂) : (f + g).to_multilinear_map = f.to_multilinear_map + g.to_multilinear_map
rfl
lemma
continuous_multilinear_map.to_multilinear_map_add
topology.algebra.module
src/topology/algebra/module/multilinear.lean
[ "topology.algebra.module.basic", "linear_algebra.multilinear.basic" ]
[ "continuous_multilinear_map" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
add_comm_monoid : add_comm_monoid (continuous_multilinear_map R M₁ M₂)
to_multilinear_map_injective.add_comm_monoid _ rfl (λ _ _, rfl) (λ _ _, rfl)
instance
continuous_multilinear_map.add_comm_monoid
topology.algebra.module
src/topology/algebra/module/multilinear.lean
[ "topology.algebra.module.basic", "linear_algebra.multilinear.basic" ]
[ "add_comm_monoid", "continuous_multilinear_map" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
apply_add_hom (m : Π i, M₁ i) : continuous_multilinear_map R M₁ M₂ →+ M₂
⟨λ f, f m, rfl, λ _ _, rfl⟩
def
continuous_multilinear_map.apply_add_hom
topology.algebra.module
src/topology/algebra/module/multilinear.lean
[ "topology.algebra.module.basic", "linear_algebra.multilinear.basic" ]
[ "continuous_multilinear_map" ]
Evaluation of a `continuous_multilinear_map` at a vector as an `add_monoid_hom`.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
sum_apply {α : Type*} (f : α → continuous_multilinear_map R M₁ M₂) (m : Πi, M₁ i) {s : finset α} : (∑ a in s, f a) m = ∑ a in s, f a m
(apply_add_hom m).map_sum f s
lemma
continuous_multilinear_map.sum_apply
topology.algebra.module
src/topology/algebra/module/multilinear.lean
[ "topology.algebra.module.basic", "linear_algebra.multilinear.basic" ]
[ "continuous_multilinear_map", "finset" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
to_continuous_linear_map [decidable_eq ι] (m : Πi, M₁ i) (i : ι) : M₁ i →L[R] M₂
{ cont := f.cont.comp (continuous_const.update i continuous_id), .. f.to_multilinear_map.to_linear_map m i }
def
continuous_multilinear_map.to_continuous_linear_map
topology.algebra.module
src/topology/algebra/module/multilinear.lean
[ "topology.algebra.module.basic", "linear_algebra.multilinear.basic" ]
[ "cont", "continuous_id" ]
If `f` is a continuous multilinear map, then `f.to_continuous_linear_map m i` is the continuous linear map obtained by fixing all coordinates but `i` equal to those of `m`, and varying the `i`-th coordinate.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
prod (f : continuous_multilinear_map R M₁ M₂) (g : continuous_multilinear_map R M₁ M₃) : continuous_multilinear_map R M₁ (M₂ × M₃)
{ cont := f.cont.prod_mk g.cont, .. f.to_multilinear_map.prod g.to_multilinear_map }
def
continuous_multilinear_map.prod
topology.algebra.module
src/topology/algebra/module/multilinear.lean
[ "topology.algebra.module.basic", "linear_algebra.multilinear.basic" ]
[ "cont", "continuous_multilinear_map" ]
The cartesian product of two continuous multilinear maps, as a continuous multilinear map.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
prod_apply (f : continuous_multilinear_map R M₁ M₂) (g : continuous_multilinear_map R M₁ M₃) (m : Πi, M₁ i) : (f.prod g) m = (f m, g m)
rfl
lemma
continuous_multilinear_map.prod_apply
topology.algebra.module
src/topology/algebra/module/multilinear.lean
[ "topology.algebra.module.basic", "linear_algebra.multilinear.basic" ]
[ "continuous_multilinear_map" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
pi {ι' : Type*} {M' : ι' → Type*} [Π i, add_comm_monoid (M' i)] [Π i, topological_space (M' i)] [Π i, module R (M' i)] (f : Π i, continuous_multilinear_map R M₁ (M' i)) : continuous_multilinear_map R M₁ (Π i, M' i)
{ cont := continuous_pi $ λ i, (f i).coe_continuous, to_multilinear_map := multilinear_map.pi (λ i, (f i).to_multilinear_map) }
def
continuous_multilinear_map.pi
topology.algebra.module
src/topology/algebra/module/multilinear.lean
[ "topology.algebra.module.basic", "linear_algebra.multilinear.basic" ]
[ "add_comm_monoid", "cont", "continuous_multilinear_map", "continuous_pi", "module", "multilinear_map.pi", "topological_space" ]
Combine a family of continuous multilinear maps with the same domain and codomains `M' i` into a continuous multilinear map taking values in the space of functions `Π i, M' i`.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
coe_pi {ι' : Type*} {M' : ι' → Type*} [Π i, add_comm_monoid (M' i)] [Π i, topological_space (M' i)] [Π i, module R (M' i)] (f : Π i, continuous_multilinear_map R M₁ (M' i)) : ⇑(pi f) = λ m j, f j m
rfl
lemma
continuous_multilinear_map.coe_pi
topology.algebra.module
src/topology/algebra/module/multilinear.lean
[ "topology.algebra.module.basic", "linear_algebra.multilinear.basic" ]
[ "add_comm_monoid", "continuous_multilinear_map", "module", "topological_space" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
pi_apply {ι' : Type*} {M' : ι' → Type*} [Π i, add_comm_monoid (M' i)] [Π i, topological_space (M' i)] [Π i, module R (M' i)] (f : Π i, continuous_multilinear_map R M₁ (M' i)) (m : Π i, M₁ i) (j : ι') : pi f m j = f j m
rfl
lemma
continuous_multilinear_map.pi_apply
topology.algebra.module
src/topology/algebra/module/multilinear.lean
[ "topology.algebra.module.basic", "linear_algebra.multilinear.basic" ]
[ "add_comm_monoid", "continuous_multilinear_map", "module", "topological_space" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
cod_restrict (f : continuous_multilinear_map R M₁ M₂) (p : submodule R M₂) (h : ∀ v, f v ∈ p) : continuous_multilinear_map R M₁ p
⟨f.1.cod_restrict p h, f.cont.subtype_mk _⟩
def
continuous_multilinear_map.cod_restrict
topology.algebra.module
src/topology/algebra/module/multilinear.lean
[ "topology.algebra.module.basic", "linear_algebra.multilinear.basic" ]
[ "continuous_multilinear_map", "submodule" ]
Restrict the codomain of a continuous multilinear map to a submodule.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
of_subsingleton [subsingleton ι] (i' : ι) : continuous_multilinear_map R (λ _ : ι, M₂) M₂
{ to_multilinear_map := multilinear_map.of_subsingleton R _ i', cont := continuous_apply _ }
def
continuous_multilinear_map.of_subsingleton
topology.algebra.module
src/topology/algebra/module/multilinear.lean
[ "topology.algebra.module.basic", "linear_algebra.multilinear.basic" ]
[ "cont", "continuous_apply", "continuous_multilinear_map", "multilinear_map.of_subsingleton" ]
The evaluation map from `ι → M₂` to `M₂` is multilinear at a given `i` when `ι` is subsingleton.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
const_of_is_empty [is_empty ι] (m : M₂) : continuous_multilinear_map R M₁ M₂
{ to_multilinear_map := multilinear_map.const_of_is_empty R _ m, cont := continuous_const }
def
continuous_multilinear_map.const_of_is_empty
topology.algebra.module
src/topology/algebra/module/multilinear.lean
[ "topology.algebra.module.basic", "linear_algebra.multilinear.basic" ]
[ "cont", "continuous_const", "continuous_multilinear_map", "is_empty", "multilinear_map.const_of_is_empty" ]
The constant map is multilinear when `ι` is empty.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
comp_continuous_linear_map (g : continuous_multilinear_map R M₁' M₄) (f : Π i : ι, M₁ i →L[R] M₁' i) : continuous_multilinear_map R M₁ M₄
{ cont := g.cont.comp $ continuous_pi $ λj, (f j).cont.comp $ continuous_apply _, .. g.to_multilinear_map.comp_linear_map (λ i, (f i).to_linear_map) }
def
continuous_multilinear_map.comp_continuous_linear_map
topology.algebra.module
src/topology/algebra/module/multilinear.lean
[ "topology.algebra.module.basic", "linear_algebra.multilinear.basic" ]
[ "cont", "continuous_apply", "continuous_multilinear_map", "continuous_pi" ]
If `g` is continuous multilinear and `f` is a collection of continuous linear maps, then `g (f₁ m₁, ..., fₙ mₙ)` is again a continuous multilinear map, that we call `g.comp_continuous_linear_map f`.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
comp_continuous_linear_map_apply (g : continuous_multilinear_map R M₁' M₄) (f : Π i : ι, M₁ i →L[R] M₁' i) (m : Π i, M₁ i) : g.comp_continuous_linear_map f m = g (λ i, f i $ m i)
rfl
lemma
continuous_multilinear_map.comp_continuous_linear_map_apply
topology.algebra.module
src/topology/algebra/module/multilinear.lean
[ "topology.algebra.module.basic", "linear_algebra.multilinear.basic" ]
[ "continuous_multilinear_map" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
_root_.continuous_linear_map.comp_continuous_multilinear_map (g : M₂ →L[R] M₃) (f : continuous_multilinear_map R M₁ M₂) : continuous_multilinear_map R M₁ M₃
{ cont := g.cont.comp f.cont, .. g.to_linear_map.comp_multilinear_map f.to_multilinear_map }
def
continuous_linear_map.comp_continuous_multilinear_map
topology.algebra.module
src/topology/algebra/module/multilinear.lean
[ "topology.algebra.module.basic", "linear_algebra.multilinear.basic" ]
[ "cont", "continuous_multilinear_map" ]
Composing a continuous multilinear map with a continuous linear map gives again a continuous multilinear map.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
_root_.continuous_linear_map.comp_continuous_multilinear_map_coe (g : M₂ →L[R] M₃) (f : continuous_multilinear_map R M₁ M₂) : ((g.comp_continuous_multilinear_map f) : (Πi, M₁ i) → M₃) = (g : M₂ → M₃) ∘ (f : (Πi, M₁ i) → M₂)
by { ext m, refl }
lemma
continuous_linear_map.comp_continuous_multilinear_map_coe
topology.algebra.module
src/topology/algebra/module/multilinear.lean
[ "topology.algebra.module.basic", "linear_algebra.multilinear.basic" ]
[ "continuous_multilinear_map" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
pi_equiv {ι' : Type*} {M' : ι' → Type*} [Π i, add_comm_monoid (M' i)] [Π i, topological_space (M' i)] [Π i, module R (M' i)] : (Π i, continuous_multilinear_map R M₁ (M' i)) ≃ continuous_multilinear_map R M₁ (Π i, M' i)
{ to_fun := continuous_multilinear_map.pi, inv_fun := λ f i, (continuous_linear_map.proj i : _ →L[R] M' i).comp_continuous_multilinear_map f, left_inv := λ f, by { ext, refl }, right_inv := λ f, by { ext, refl } }
def
continuous_multilinear_map.pi_equiv
topology.algebra.module
src/topology/algebra/module/multilinear.lean
[ "topology.algebra.module.basic", "linear_algebra.multilinear.basic" ]
[ "add_comm_monoid", "continuous_linear_map.proj", "continuous_multilinear_map", "continuous_multilinear_map.pi", "inv_fun", "module", "topological_space" ]
`continuous_multilinear_map.pi` as an `equiv`.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
dom_dom_congr {ι' : Type*} (e : ι ≃ ι') (f : continuous_multilinear_map R (λ _ : ι, M₂) M₃) : continuous_multilinear_map R (λ _ : ι', M₂) M₃
{ to_multilinear_map := f.dom_dom_congr e, cont := f.cont.comp $ continuous_pi $ λ _, continuous_apply _ }
def
continuous_multilinear_map.dom_dom_congr
topology.algebra.module
src/topology/algebra/module/multilinear.lean
[ "topology.algebra.module.basic", "linear_algebra.multilinear.basic" ]
[ "cont", "continuous_apply", "continuous_multilinear_map", "continuous_pi" ]
An equivalence of the index set defines an equivalence between the spaces of continuous multilinear maps. This is the forward map of this equivalence.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
dom_dom_congr_equiv {ι' : Type*} (e : ι ≃ ι') : continuous_multilinear_map R (λ _ : ι, M₂) M₃ ≃ continuous_multilinear_map R (λ _ : ι', M₂) M₃
{ to_fun := dom_dom_congr e, inv_fun := dom_dom_congr e.symm, left_inv := λ _, ext $ λ _, by simp, right_inv := λ _, ext $ λ _, by simp }
def
continuous_multilinear_map.dom_dom_congr_equiv
topology.algebra.module
src/topology/algebra/module/multilinear.lean
[ "topology.algebra.module.basic", "linear_algebra.multilinear.basic" ]
[ "continuous_multilinear_map", "inv_fun" ]
An equivalence of the index set defines an equivalence between the spaces of continuous multilinear maps. In case of normed spaces, this is a linear isometric equivalence, see `continuous.multilinear_map.dom_dom_congrₗᵢ`.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
cons_add (f : continuous_multilinear_map R M M₂) (m : Π(i : fin n), M i.succ) (x y : M 0) : f (cons (x+y) m) = f (cons x m) + f (cons y m)
f.to_multilinear_map.cons_add m x y
lemma
continuous_multilinear_map.cons_add
topology.algebra.module
src/topology/algebra/module/multilinear.lean
[ "topology.algebra.module.basic", "linear_algebra.multilinear.basic" ]
[ "continuous_multilinear_map" ]
In the specific case of continuous multilinear maps on spaces indexed by `fin (n+1)`, where one can build an element of `Π(i : fin (n+1)), M i` using `cons`, one can express directly the additivity of a multilinear map along the first variable.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
cons_smul (f : continuous_multilinear_map R M M₂) (m : Π(i : fin n), M i.succ) (c : R) (x : M 0) : f (cons (c • x) m) = c • f (cons x m)
f.to_multilinear_map.cons_smul m c x
lemma
continuous_multilinear_map.cons_smul
topology.algebra.module
src/topology/algebra/module/multilinear.lean
[ "topology.algebra.module.basic", "linear_algebra.multilinear.basic" ]
[ "continuous_multilinear_map" ]
In the specific case of continuous multilinear maps on spaces indexed by `fin (n+1)`, where one can build an element of `Π(i : fin (n+1)), M i` using `cons`, one can express directly the multiplicativity of a multilinear map along the first variable.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
map_piecewise_add [decidable_eq ι] (m m' : Πi, M₁ i) (t : finset ι) : f (t.piecewise (m + m') m') = ∑ s in t.powerset, f (s.piecewise m m')
f.to_multilinear_map.map_piecewise_add _ _ _
lemma
continuous_multilinear_map.map_piecewise_add
topology.algebra.module
src/topology/algebra/module/multilinear.lean
[ "topology.algebra.module.basic", "linear_algebra.multilinear.basic" ]
[ "finset" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
map_add_univ [decidable_eq ι] [fintype ι] (m m' : Πi, M₁ i) : f (m + m') = ∑ s : finset ι, f (s.piecewise m m')
f.to_multilinear_map.map_add_univ _ _
lemma
continuous_multilinear_map.map_add_univ
topology.algebra.module
src/topology/algebra/module/multilinear.lean
[ "topology.algebra.module.basic", "linear_algebra.multilinear.basic" ]
[ "finset", "fintype" ]
Additivity of a continuous multilinear map along all coordinates at the same time, writing `f (m + m')` as the sum of `f (s.piecewise m m')` over all sets `s`.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
map_sum_finset [decidable_eq ι] : f (λ i, ∑ j in A i, g i j) = ∑ r in pi_finset A, f (λ i, g i (r i))
f.to_multilinear_map.map_sum_finset _ _
lemma
continuous_multilinear_map.map_sum_finset
topology.algebra.module
src/topology/algebra/module/multilinear.lean
[ "topology.algebra.module.basic", "linear_algebra.multilinear.basic" ]
[]
If `f` is continuous multilinear, then `f (Σ_{j₁ ∈ A₁} g₁ j₁, ..., Σ_{jₙ ∈ Aₙ} gₙ jₙ)` is the sum of `f (g₁ (r 1), ..., gₙ (r n))` where `r` ranges over all functions with `r 1 ∈ A₁`, ..., `r n ∈ Aₙ`. This follows from multilinearity by expanding successively with respect to each coordinate.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
map_sum [decidable_eq ι] [∀ i, fintype (α i)] : f (λ i, ∑ j, g i j) = ∑ r : Π i, α i, f (λ i, g i (r i))
f.to_multilinear_map.map_sum _
lemma
continuous_multilinear_map.map_sum
topology.algebra.module
src/topology/algebra/module/multilinear.lean
[ "topology.algebra.module.basic", "linear_algebra.multilinear.basic" ]
[ "fintype" ]
If `f` is continuous multilinear, then `f (Σ_{j₁} g₁ j₁, ..., Σ_{jₙ} gₙ jₙ)` is the sum of `f (g₁ (r 1), ..., gₙ (r n))` where `r` ranges over all functions `r`. This follows from multilinearity by expanding successively with respect to each coordinate.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
restrict_scalars (f : continuous_multilinear_map A M₁ M₂) : continuous_multilinear_map R M₁ M₂
{ to_multilinear_map := f.to_multilinear_map.restrict_scalars R, cont := f.cont }
def
continuous_multilinear_map.restrict_scalars
topology.algebra.module
src/topology/algebra/module/multilinear.lean
[ "topology.algebra.module.basic", "linear_algebra.multilinear.basic" ]
[ "cont", "continuous_multilinear_map", "restrict_scalars" ]
Reinterpret an `A`-multilinear map as an `R`-multilinear map, if `A` is an algebra over `R` and their actions on all involved modules agree with the action of `R` on `A`.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
coe_restrict_scalars (f : continuous_multilinear_map A M₁ M₂) : ⇑(f.restrict_scalars R) = f
rfl
lemma
continuous_multilinear_map.coe_restrict_scalars
topology.algebra.module
src/topology/algebra/module/multilinear.lean
[ "topology.algebra.module.basic", "linear_algebra.multilinear.basic" ]
[ "continuous_multilinear_map" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
map_sub [decidable_eq ι] (m : Πi, M₁ i) (i : ι) (x y : M₁ i) : f (update m i (x - y)) = f (update m i x) - f (update m i y)
f.to_multilinear_map.map_sub _ _ _ _
lemma
continuous_multilinear_map.map_sub
topology.algebra.module
src/topology/algebra/module/multilinear.lean
[ "topology.algebra.module.basic", "linear_algebra.multilinear.basic" ]
[ "update" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
sub_apply (m : Πi, M₁ i) : (f - f') m = f m - f' m
rfl
lemma
continuous_multilinear_map.sub_apply
topology.algebra.module
src/topology/algebra/module/multilinear.lean
[ "topology.algebra.module.basic", "linear_algebra.multilinear.basic" ]
[]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
map_piecewise_smul [decidable_eq ι] (c : ι → R) (m : Πi, M₁ i) (s : finset ι) : f (s.piecewise (λ i, c i • m i) m) = (∏ i in s, c i) • f m
f.to_multilinear_map.map_piecewise_smul _ _ _
lemma
continuous_multilinear_map.map_piecewise_smul
topology.algebra.module
src/topology/algebra/module/multilinear.lean
[ "topology.algebra.module.basic", "linear_algebra.multilinear.basic" ]
[ "finset" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
map_smul_univ [fintype ι] (c : ι → R) (m : Πi, M₁ i) : f (λ i, c i • m i) = (∏ i, c i) • f m
f.to_multilinear_map.map_smul_univ _ _
lemma
continuous_multilinear_map.map_smul_univ
topology.algebra.module
src/topology/algebra/module/multilinear.lean
[ "topology.algebra.module.basic", "linear_algebra.multilinear.basic" ]
[ "fintype" ]
Multiplicativity of a continuous multilinear map along all coordinates at the same time, writing `f (λ i, c i • m i)` as `(∏ i, c i) • f m`.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
to_multilinear_map_linear : continuous_multilinear_map A M₁ M₂ →ₗ[R'] multilinear_map A M₁ M₂
{ to_fun := to_multilinear_map, map_add' := to_multilinear_map_add, map_smul' := to_multilinear_map_smul }
def
continuous_multilinear_map.to_multilinear_map_linear
topology.algebra.module
src/topology/algebra/module/multilinear.lean
[ "topology.algebra.module.basic", "linear_algebra.multilinear.basic" ]
[ "continuous_multilinear_map", "multilinear_map" ]
Linear map version of the map `to_multilinear_map` associating to a continuous multilinear map the corresponding multilinear map.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
pi_linear_equiv {ι' : Type*} {M' : ι' → Type*} [Π i, add_comm_monoid (M' i)] [Π i, topological_space (M' i)] [∀ i, has_continuous_add (M' i)] [Π i, module R' (M' i)] [Π i, module A (M' i)] [∀ i, smul_comm_class A R' (M' i)] [Π i, has_continuous_const_smul R' (M' i)] : (Π i, continuous_multilinear_map A M₁ (M' i...
{ map_add' := λ x y, rfl, map_smul' := λ c x, rfl, .. pi_equiv }
def
continuous_multilinear_map.pi_linear_equiv
topology.algebra.module
src/topology/algebra/module/multilinear.lean
[ "topology.algebra.module.basic", "linear_algebra.multilinear.basic" ]
[ "add_comm_monoid", "continuous_multilinear_map", "has_continuous_add", "has_continuous_const_smul", "module", "smul_comm_class", "topological_space" ]
`continuous_multilinear_map.pi` as a `linear_equiv`.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
mk_pi_algebra : continuous_multilinear_map R (λ i : ι, A) A
{ cont := continuous_finset_prod _ $ λ i hi, continuous_apply _, to_multilinear_map := multilinear_map.mk_pi_algebra R ι A}
def
continuous_multilinear_map.mk_pi_algebra
topology.algebra.module
src/topology/algebra/module/multilinear.lean
[ "topology.algebra.module.basic", "linear_algebra.multilinear.basic" ]
[ "cont", "continuous_apply", "continuous_finset_prod", "continuous_multilinear_map", "multilinear_map.mk_pi_algebra" ]
The continuous multilinear map on `A^ι`, where `A` is a normed commutative algebra over `𝕜`, associating to `m` the product of all the `m i`. See also `continuous_multilinear_map.mk_pi_algebra_fin`.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
mk_pi_algebra_apply (m : ι → A) : continuous_multilinear_map.mk_pi_algebra R ι A m = ∏ i, m i
rfl
lemma
continuous_multilinear_map.mk_pi_algebra_apply
topology.algebra.module
src/topology/algebra/module/multilinear.lean
[ "topology.algebra.module.basic", "linear_algebra.multilinear.basic" ]
[ "continuous_multilinear_map.mk_pi_algebra" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
mk_pi_algebra_fin : A [×n]→L[R] A
{ cont := begin change continuous (λ m, (list.of_fn m).prod), simp_rw list.of_fn_eq_map, exact continuous_list_prod _ (λ i hi, continuous_apply _), end, to_multilinear_map := multilinear_map.mk_pi_algebra_fin R n A}
def
continuous_multilinear_map.mk_pi_algebra_fin
topology.algebra.module
src/topology/algebra/module/multilinear.lean
[ "topology.algebra.module.basic", "linear_algebra.multilinear.basic" ]
[ "cont", "continuous", "continuous_apply", "continuous_list_prod", "list.of_fn", "list.of_fn_eq_map", "multilinear_map.mk_pi_algebra_fin" ]
The continuous multilinear map on `A^n`, where `A` is a normed algebra over `𝕜`, associating to `m` the product of all the `m i`. See also: `continuous_multilinear_map.mk_pi_algebra`.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
mk_pi_algebra_fin_apply (m : fin n → A) : continuous_multilinear_map.mk_pi_algebra_fin R n A m = (list.of_fn m).prod
rfl
lemma
continuous_multilinear_map.mk_pi_algebra_fin_apply
topology.algebra.module
src/topology/algebra/module/multilinear.lean
[ "topology.algebra.module.basic", "linear_algebra.multilinear.basic" ]
[ "continuous_multilinear_map.mk_pi_algebra_fin", "list.of_fn" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
smul_right : continuous_multilinear_map R M₁ M₂
{ to_multilinear_map := f.to_multilinear_map.smul_right z, cont := f.cont.smul continuous_const }
def
continuous_multilinear_map.smul_right
topology.algebra.module
src/topology/algebra/module/multilinear.lean
[ "topology.algebra.module.basic", "linear_algebra.multilinear.basic" ]
[ "cont", "continuous_const", "continuous_multilinear_map" ]
Given a continuous `R`-multilinear map `f` taking values in `R`, `f.smul_right z` is the continuous multilinear map sending `m` to `f m • z`.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
linear_map.is_closed_or_dense_ker (l : M →ₗ[R] N) : is_closed (l.ker : set M) ∨ dense (l.ker : set M)
begin rcases l.surjective_or_eq_zero with (hl|rfl), { exact l.ker.is_closed_or_dense_of_is_coatom (linear_map.is_coatom_ker_of_surjective hl) }, { rw linear_map.ker_zero, left, exact is_closed_univ }, end
lemma
linear_map.is_closed_or_dense_ker
topology.algebra.module
src/topology/algebra/module/simple.lean
[ "ring_theory.simple_module", "topology.algebra.module.basic" ]
[ "dense", "is_closed", "is_closed_univ", "linear_map.is_coatom_ker_of_surjective", "linear_map.ker_zero" ]
The kernel of a linear map taking values in a simple module over the base ring is closed or dense. Applies, e.g., to the case when `R = N` is a division ring.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
starL (R : Type*) {A : Type*} [comm_semiring R] [star_ring R] [add_comm_monoid A] [star_add_monoid A] [module R A] [star_module R A] [topological_space A] [has_continuous_star A] : A ≃L⋆[R] A
{ to_linear_equiv := star_linear_equiv R, continuous_to_fun := continuous_star, continuous_inv_fun := continuous_star }
def
starL
topology.algebra.module
src/topology/algebra/module/star.lean
[ "algebra.star.module", "topology.algebra.module.basic", "topology.algebra.star" ]
[ "add_comm_monoid", "comm_semiring", "has_continuous_star", "module", "star_add_monoid", "star_linear_equiv", "star_module", "star_ring", "topological_space" ]
If `A` is a topological module over a commutative `R` with compatible actions, then `star` is a continuous semilinear equivalence.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
starL' (R : Type*) {A : Type*} [comm_semiring R] [star_ring R] [has_trivial_star R] [add_comm_monoid A] [star_add_monoid A] [module R A] [star_module R A] [topological_space A] [has_continuous_star A] : A ≃L[R] A
(starL R : A ≃L⋆[R] A).trans ({ map_smul' := λ r a, by simp [star_ring_end_apply], continuous_to_fun := continuous_id, continuous_inv_fun := continuous_id, ..add_equiv.refl A, } : A ≃L⋆[R] A)
def
starL'
topology.algebra.module
src/topology/algebra/module/star.lean
[ "algebra.star.module", "topology.algebra.module.basic", "topology.algebra.star" ]
[ "add_comm_monoid", "comm_semiring", "continuous_id", "has_continuous_star", "has_trivial_star", "module", "starL", "star_add_monoid", "star_module", "star_ring", "star_ring_end_apply", "topological_space" ]
If `A` is a topological module over a commutative `R` with trivial star and compatible actions, then `star` is a continuous linear equivalence.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
continuous_self_adjoint_part [has_continuous_add A] [has_continuous_star A] [has_continuous_const_smul R A] : continuous (@self_adjoint_part R A _ _ _ _ _ _ _ _)
((continuous_const_smul _).comp $ continuous_id.add continuous_star).subtype_mk _
lemma
continuous_self_adjoint_part
topology.algebra.module
src/topology/algebra/module/star.lean
[ "algebra.star.module", "topology.algebra.module.basic", "topology.algebra.star" ]
[ "continuous", "has_continuous_add", "has_continuous_const_smul", "has_continuous_star", "self_adjoint_part" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
continuous_skew_adjoint_part [has_continuous_sub A] [has_continuous_star A] [has_continuous_const_smul R A] : continuous (@skew_adjoint_part R A _ _ _ _ _ _ _ _)
((continuous_const_smul _).comp $ continuous_id.sub continuous_star).subtype_mk _
lemma
continuous_skew_adjoint_part
topology.algebra.module
src/topology/algebra/module/star.lean
[ "algebra.star.module", "topology.algebra.module.basic", "topology.algebra.star" ]
[ "continuous", "has_continuous_const_smul", "has_continuous_star", "has_continuous_sub", "skew_adjoint_part" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
continuous_decompose_prod_adjoint [topological_add_group A] [has_continuous_star A] [has_continuous_const_smul R A] : continuous (@star_module.decompose_prod_adjoint R A _ _ _ _ _ _ _ _)
(continuous_self_adjoint_part R A).prod_mk (continuous_skew_adjoint_part R A)
lemma
continuous_decompose_prod_adjoint
topology.algebra.module
src/topology/algebra/module/star.lean
[ "algebra.star.module", "topology.algebra.module.basic", "topology.algebra.star" ]
[ "continuous", "continuous_self_adjoint_part", "continuous_skew_adjoint_part", "has_continuous_const_smul", "has_continuous_star", "star_module.decompose_prod_adjoint", "topological_add_group" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
continuous_decompose_prod_adjoint_symm [topological_add_group A] : continuous (@star_module.decompose_prod_adjoint R A _ _ _ _ _ _ _ _).symm
(continuous_subtype_coe.comp continuous_fst).add (continuous_subtype_coe.comp continuous_snd)
lemma
continuous_decompose_prod_adjoint_symm
topology.algebra.module
src/topology/algebra/module/star.lean
[ "algebra.star.module", "topology.algebra.module.basic", "topology.algebra.star" ]
[ "continuous", "continuous_fst", "continuous_snd", "star_module.decompose_prod_adjoint", "topological_add_group" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
self_adjoint_partL [has_continuous_add A] [has_continuous_star A] [has_continuous_const_smul R A] : A →L[R] self_adjoint A
{ to_linear_map := self_adjoint_part R, cont := continuous_self_adjoint_part _ _ }
def
self_adjoint_partL
topology.algebra.module
src/topology/algebra/module/star.lean
[ "algebra.star.module", "topology.algebra.module.basic", "topology.algebra.star" ]
[ "cont", "continuous_self_adjoint_part", "has_continuous_add", "has_continuous_const_smul", "has_continuous_star", "self_adjoint", "self_adjoint_part" ]
The self-adjoint part of an element of a star module, as a continuous linear map.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
skew_adjoint_partL [has_continuous_sub A] [has_continuous_star A] [has_continuous_const_smul R A] : A →L[R] skew_adjoint A
{ to_linear_map := skew_adjoint_part R, cont := continuous_skew_adjoint_part _ _ }
def
skew_adjoint_partL
topology.algebra.module
src/topology/algebra/module/star.lean
[ "algebra.star.module", "topology.algebra.module.basic", "topology.algebra.star" ]
[ "cont", "continuous_skew_adjoint_part", "has_continuous_const_smul", "has_continuous_star", "has_continuous_sub", "skew_adjoint", "skew_adjoint_part" ]
The skew-adjoint part of an element of a star module, as a continuous linear map.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
star_module.decompose_prod_adjointL [topological_add_group A] [has_continuous_star A] [has_continuous_const_smul R A] : A ≃L[R] self_adjoint A × skew_adjoint A
{ to_linear_equiv := star_module.decompose_prod_adjoint R A, continuous_to_fun := continuous_decompose_prod_adjoint _ _, continuous_inv_fun := continuous_decompose_prod_adjoint_symm _ _ }
def
star_module.decompose_prod_adjointL
topology.algebra.module
src/topology/algebra/module/star.lean
[ "algebra.star.module", "topology.algebra.module.basic", "topology.algebra.star" ]
[ "continuous_decompose_prod_adjoint", "continuous_decompose_prod_adjoint_symm", "has_continuous_const_smul", "has_continuous_star", "self_adjoint", "skew_adjoint", "star_module.decompose_prod_adjoint", "topological_add_group" ]
The decomposition of elements of a star module into their self- and skew-adjoint parts, as a continuous linear equivalence.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
strong_topology [topological_space F] [topological_add_group F] (𝔖 : set (set E)) : topological_space (E →SL[σ] F)
(@uniform_on_fun.topological_space E F (topological_add_group.to_uniform_space F) 𝔖).induced coe_fn
def
continuous_linear_map.strong_topology
topology.algebra.module
src/topology/algebra/module/strong_topology.lean
[ "topology.algebra.uniform_convergence" ]
[ "topological_add_group", "topological_space" ]
Given `E` and `F` two topological vector spaces and `𝔖 : set (set E)`, then `strong_topology σ F 𝔖` is the "topology of uniform convergence on the elements of `𝔖`" on `E →L[𝕜] F`. If the continuous linear image of any element of `𝔖` is bounded, this makes `E →L[𝕜] F` a topological vector space.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
strong_uniformity [uniform_space F] [uniform_add_group F] (𝔖 : set (set E)) : uniform_space (E →SL[σ] F)
@uniform_space.replace_topology _ (strong_topology σ F 𝔖) ((uniform_on_fun.uniform_space E F 𝔖).comap coe_fn) (by rw [strong_topology, uniform_add_group.to_uniform_space_eq]; refl)
def
continuous_linear_map.strong_uniformity
topology.algebra.module
src/topology/algebra/module/strong_topology.lean
[ "topology.algebra.uniform_convergence" ]
[ "uniform_add_group", "uniform_space", "uniform_space.replace_topology" ]
The uniform structure associated with `continuous_linear_map.strong_topology`. We make sure that this has nice definitional properties.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
strong_uniformity_topology_eq [uniform_space F] [uniform_add_group F] (𝔖 : set (set E)) : (strong_uniformity σ F 𝔖).to_topological_space = strong_topology σ F 𝔖
rfl
lemma
continuous_linear_map.strong_uniformity_topology_eq
topology.algebra.module
src/topology/algebra/module/strong_topology.lean
[ "topology.algebra.uniform_convergence" ]
[ "uniform_add_group", "uniform_space" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
strong_uniformity.uniform_embedding_coe_fn [uniform_space F] [uniform_add_group F] (𝔖 : set (set E)) : @uniform_embedding (E →SL[σ] F) (E →ᵤ[𝔖] F) (strong_uniformity σ F 𝔖) (uniform_on_fun.uniform_space E F 𝔖) coe_fn
begin letI : uniform_space (E →SL[σ] F) := strong_uniformity σ F 𝔖, exact ⟨⟨rfl⟩, fun_like.coe_injective⟩ end
lemma
continuous_linear_map.strong_uniformity.uniform_embedding_coe_fn
topology.algebra.module
src/topology/algebra/module/strong_topology.lean
[ "topology.algebra.uniform_convergence" ]
[ "uniform_add_group", "uniform_embedding", "uniform_space" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
strong_topology.embedding_coe_fn [uniform_space F] [uniform_add_group F] (𝔖 : set (set E)) : @embedding (E →SL[σ] F) (E →ᵤ[𝔖] F) (strong_topology σ F 𝔖) (uniform_on_fun.topological_space E F 𝔖) (uniform_on_fun.of_fun 𝔖 ∘ coe_fn)
@uniform_embedding.embedding _ _ (_root_.id _) _ _ (strong_uniformity.uniform_embedding_coe_fn _ _ _)
lemma
continuous_linear_map.strong_topology.embedding_coe_fn
topology.algebra.module
src/topology/algebra/module/strong_topology.lean
[ "topology.algebra.uniform_convergence" ]
[ "embedding", "uniform_add_group", "uniform_embedding.embedding", "uniform_on_fun.of_fun", "uniform_space" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
strong_uniformity.uniform_add_group [uniform_space F] [uniform_add_group F] (𝔖 : set (set E)) : @uniform_add_group (E →SL[σ] F) (strong_uniformity σ F 𝔖) _
begin letI : uniform_space (E →SL[σ] F) := strong_uniformity σ F 𝔖, rw [strong_uniformity, uniform_space.replace_topology_eq], let φ : (E →SL[σ] F) →+ E →ᵤ[𝔖] F := ⟨(coe_fn : (E →SL[σ] F) → E →ᵤ F), rfl, λ _ _, rfl⟩, exact uniform_add_group_comap φ end
lemma
continuous_linear_map.strong_uniformity.uniform_add_group
topology.algebra.module
src/topology/algebra/module/strong_topology.lean
[ "topology.algebra.uniform_convergence" ]
[ "uniform_add_group", "uniform_space", "uniform_space.replace_topology_eq" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
strong_topology.topological_add_group [topological_space F] [topological_add_group F] (𝔖 : set (set E)) : @topological_add_group (E →SL[σ] F) (strong_topology σ F 𝔖) _
begin letI : uniform_space F := topological_add_group.to_uniform_space F, haveI : uniform_add_group F := topological_add_comm_group_is_uniform, letI : uniform_space (E →SL[σ] F) := strong_uniformity σ F 𝔖, haveI : uniform_add_group (E →SL[σ] F) := strong_uniformity.uniform_add_group σ F 𝔖, apply_instance en...
lemma
continuous_linear_map.strong_topology.topological_add_group
topology.algebra.module
src/topology/algebra/module/strong_topology.lean
[ "topology.algebra.uniform_convergence" ]
[ "topological_add_group", "topological_space", "uniform_add_group", "uniform_space" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
strong_topology.t2_space [topological_space F] [topological_add_group F] [t2_space F] (𝔖 : set (set E)) (h𝔖 : ⋃₀ 𝔖 = set.univ) : @t2_space (E →SL[σ] F) (strong_topology σ F 𝔖)
begin letI : uniform_space F := topological_add_group.to_uniform_space F, haveI : uniform_add_group F := topological_add_comm_group_is_uniform, letI : topological_space (E →SL[σ] F) := strong_topology σ F 𝔖, haveI : t2_space (E →ᵤ[𝔖] F) := uniform_on_fun.t2_space_of_covering h𝔖, exact (strong_topology.embe...
lemma
continuous_linear_map.strong_topology.t2_space
topology.algebra.module
src/topology/algebra/module/strong_topology.lean
[ "topology.algebra.uniform_convergence" ]
[ "t2_space", "topological_add_group", "topological_space", "uniform_add_group", "uniform_on_fun.t2_space_of_covering", "uniform_space" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
strong_topology.has_continuous_smul [ring_hom_surjective σ] [ring_hom_isometric σ] [topological_space F] [topological_add_group F] [has_continuous_smul 𝕜₂ F] (𝔖 : set (set E)) (h𝔖₁ : 𝔖.nonempty) (h𝔖₂ : directed_on (⊆) 𝔖) (h𝔖₃ : ∀ S ∈ 𝔖, bornology.is_vonN_bounded 𝕜₁ S) : @has_continuous_smul 𝕜₂ (E →SL[σ]...
begin letI : uniform_space F := topological_add_group.to_uniform_space F, haveI : uniform_add_group F := topological_add_comm_group_is_uniform, letI : topological_space (E →SL[σ] F) := strong_topology σ F 𝔖, let φ : (E →SL[σ] F) →ₗ[𝕜₂] E →ᵤ[𝔖] F := ⟨(coe_fn : (E →SL[σ] F) → E → F), λ _ _, rfl, λ _ _, rfl...
lemma
continuous_linear_map.strong_topology.has_continuous_smul
topology.algebra.module
src/topology/algebra/module/strong_topology.lean
[ "topology.algebra.uniform_convergence" ]
[ "bornology.is_vonN_bounded", "directed_on", "has_continuous_smul", "ring_hom_isometric", "ring_hom_surjective", "topological_add_group", "topological_space", "uniform_add_group", "uniform_on_fun.has_continuous_smul_induced_of_image_bounded", "uniform_space" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
strong_topology.has_basis_nhds_zero_of_basis [topological_space F] [topological_add_group F] {ι : Type*} (𝔖 : set (set E)) (h𝔖₁ : 𝔖.nonempty) (h𝔖₂ : directed_on (⊆) 𝔖) {p : ι → Prop} {b : ι → set F} (h : (𝓝 0 : filter F).has_basis p b) : (@nhds (E →SL[σ] F) (strong_topology σ F 𝔖) 0).has_basis (λ Si : ...
begin letI : uniform_space F := topological_add_group.to_uniform_space F, haveI : uniform_add_group F := topological_add_comm_group_is_uniform, rw nhds_induced, exact (uniform_on_fun.has_basis_nhds_zero_of_basis 𝔖 h𝔖₁ h𝔖₂ h).comap coe_fn end
lemma
continuous_linear_map.strong_topology.has_basis_nhds_zero_of_basis
topology.algebra.module
src/topology/algebra/module/strong_topology.lean
[ "topology.algebra.uniform_convergence" ]
[ "directed_on", "filter", "nhds", "nhds_induced", "topological_add_group", "topological_space", "uniform_add_group", "uniform_space" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
strong_topology.has_basis_nhds_zero [topological_space F] [topological_add_group F] (𝔖 : set (set E)) (h𝔖₁ : 𝔖.nonempty) (h𝔖₂ : directed_on (⊆) 𝔖) : (@nhds (E →SL[σ] F) (strong_topology σ F 𝔖) 0).has_basis (λ SV : set E × set F, SV.1 ∈ 𝔖 ∧ SV.2 ∈ (𝓝 0 : filter F)) (λ SV, {f : E →SL[σ] F | ∀ x ∈ SV.1...
strong_topology.has_basis_nhds_zero_of_basis σ F 𝔖 h𝔖₁ h𝔖₂ (𝓝 0).basis_sets
lemma
continuous_linear_map.strong_topology.has_basis_nhds_zero
topology.algebra.module
src/topology/algebra/module/strong_topology.lean
[ "topology.algebra.uniform_convergence" ]
[ "directed_on", "filter", "nhds", "topological_add_group", "topological_space" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
has_basis_nhds_zero_of_basis [topological_space F] [topological_add_group F] {ι : Type*} {p : ι → Prop} {b : ι → set F} (h : (𝓝 0 : filter F).has_basis p b) : (𝓝 (0 : E →SL[σ] F)).has_basis (λ Si : set E × ι, bornology.is_vonN_bounded 𝕜₁ Si.1 ∧ p Si.2) (λ Si, {f : E →SL[σ] F | ∀ x ∈ Si.1, f x ∈ b Si.2}...
strong_topology.has_basis_nhds_zero_of_basis σ F {S | bornology.is_vonN_bounded 𝕜₁ S} ⟨∅, bornology.is_vonN_bounded_empty 𝕜₁ E⟩ (directed_on_of_sup_mem $ λ _ _, bornology.is_vonN_bounded.union) h
lemma
continuous_linear_map.has_basis_nhds_zero_of_basis
topology.algebra.module
src/topology/algebra/module/strong_topology.lean
[ "topology.algebra.uniform_convergence" ]
[ "bornology.is_vonN_bounded", "bornology.is_vonN_bounded.union", "bornology.is_vonN_bounded_empty", "directed_on_of_sup_mem", "filter", "topological_add_group", "topological_space" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
has_basis_nhds_zero [topological_space F] [topological_add_group F] : (𝓝 (0 : E →SL[σ] F)).has_basis (λ SV : set E × set F, bornology.is_vonN_bounded 𝕜₁ SV.1 ∧ SV.2 ∈ (𝓝 0 : filter F)) (λ SV, {f : E →SL[σ] F | ∀ x ∈ SV.1, f x ∈ SV.2})
continuous_linear_map.has_basis_nhds_zero_of_basis (𝓝 0).basis_sets
lemma
continuous_linear_map.has_basis_nhds_zero
topology.algebra.module
src/topology/algebra/module/strong_topology.lean
[ "topology.algebra.uniform_convergence" ]
[ "bornology.is_vonN_bounded", "continuous_linear_map.has_basis_nhds_zero_of_basis", "filter", "topological_add_group", "topological_space" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
precomp [topological_add_group G] [has_continuous_const_smul 𝕜₃ G] [ring_hom_surjective σ] [ring_hom_isometric σ] (L : E →SL[σ] F) : (F →SL[τ] G) →L[𝕜₃] (E →SL[ρ] G)
{ to_fun := λ f, f.comp L, map_add' := λ f g, add_comp f g L, map_smul' := λ a f, smul_comp a f L, cont := begin letI : uniform_space G := topological_add_group.to_uniform_space G, haveI : uniform_add_group G := topological_add_comm_group_is_uniform, rw (strong_topology.embedding_coe_fn _ _ _).conti...
def
continuous_linear_map.precomp
topology.algebra.module
src/topology/algebra/module/strong_topology.lean
[ "topology.algebra.uniform_convergence" ]
[ "cont", "continuous", "continuous.comp", "has_continuous_const_smul", "ring_hom_isometric", "ring_hom_surjective", "topological_add_group", "uniform_add_group", "uniform_on_fun.precomp_uniform_continuous", "uniform_space" ]
Pre-composition by a *fixed* continuous linear map as a continuous linear map. Note that in non-normed space it is not always true that composition is continuous in both variables, so we have to fix one of them.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
postcomp [topological_add_group F] [topological_add_group G] [has_continuous_const_smul 𝕜₃ G] [has_continuous_const_smul 𝕜₂ F] (L : F →SL[τ] G) : (E →SL[σ] F) →SL[τ] (E →SL[ρ] G)
{ to_fun := λ f, L.comp f, map_add' := comp_add L, map_smul' := comp_smulₛₗ L, cont := begin letI : uniform_space G := topological_add_group.to_uniform_space G, haveI : uniform_add_group G := topological_add_comm_group_is_uniform, letI : uniform_space F := topological_add_group.to_uniform_space F, ...
def
continuous_linear_map.postcomp
topology.algebra.module
src/topology/algebra/module/strong_topology.lean
[ "topology.algebra.uniform_convergence" ]
[ "cont", "continuous", "continuous.comp", "has_continuous_const_smul", "topological_add_group", "uniform_add_group", "uniform_on_fun.postcomp_uniform_continuous", "uniform_space" ]
Post-composition by a *fixed* continuous linear map as a continuous linear map. Note that in non-normed space it is not always true that composition is continuous in both variables, so we have to fix one of them.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
arrow_congrSL (e₁₂ : E ≃SL[σ₁₂] F) (e₄₃ : H ≃SL[σ₄₃] G) : (E →SL[σ₁₄] H) ≃SL[σ₄₃] (F →SL[σ₂₃] G)
{ -- given explicitly to help `simps` to_fun := λ L, (e₄₃ : H →SL[σ₄₃] G).comp (L.comp (e₁₂.symm : F →SL[σ₂₁] E)), -- given explicitly to help `simps` inv_fun := λ L, (e₄₃.symm : G →SL[σ₃₄] H).comp (L.comp (e₁₂ : E →SL[σ₁₂] F)), map_add' := λ f g, by rw [add_comp, comp_add], map_smul' := λ t f, by rw [smul_co...
def
continuous_linear_equiv.arrow_congrSL
topology.algebra.module
src/topology/algebra/module/strong_topology.lean
[ "topology.algebra.uniform_convergence" ]
[ "continuous", "inv_fun" ]
A pair of continuous (semi)linear equivalences generates a (semi)linear equivalence between the spaces of continuous (semi)linear maps.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
arrow_congr (e₁ : E ≃L[𝕜] F) (e₂ : H ≃L[𝕜] G) : (E →L[𝕜] H) ≃L[𝕜] (F →L[𝕜] G)
e₁.arrow_congrSL e₂
def
continuous_linear_equiv.arrow_congr
topology.algebra.module
src/topology/algebra/module/strong_topology.lean
[ "topology.algebra.uniform_convergence" ]
[]
A pair of continuous linear equivalences generates an continuous linear equivalence between the spaces of continuous linear maps.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
weak_bilin [comm_semiring 𝕜] [add_comm_monoid E] [module 𝕜 E] [add_comm_monoid F] [module 𝕜 F] (B : E →ₗ[𝕜] F →ₗ[𝕜] 𝕜)
E
def
weak_bilin
topology.algebra.module
src/topology/algebra/module/weak_dual.lean
[ "topology.algebra.module.basic", "linear_algebra.bilinear_map" ]
[ "add_comm_monoid", "comm_semiring", "module" ]
The space `E` equipped with the weak topology induced by the bilinear form `B`.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
module' [comm_semiring 𝕜] [comm_semiring 𝕝] [add_comm_group E] [module 𝕜 E] [add_comm_group F] [module 𝕜 F] [m : module 𝕝 E] (B : E →ₗ[𝕜] F →ₗ[𝕜] 𝕜) : module 𝕝 (weak_bilin B)
m
instance
weak_bilin.module'
topology.algebra.module
src/topology/algebra/module/weak_dual.lean
[ "topology.algebra.module.basic", "linear_algebra.bilinear_map" ]
[ "add_comm_group", "comm_semiring", "module", "weak_bilin" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
coe_fn_continuous : continuous (λ (x : weak_bilin B) y, B x y)
continuous_induced_dom
lemma
weak_bilin.coe_fn_continuous
topology.algebra.module
src/topology/algebra/module/weak_dual.lean
[ "topology.algebra.module.basic", "linear_algebra.bilinear_map" ]
[ "continuous", "continuous_induced_dom", "weak_bilin" ]
The coercion `(λ x y, B x y) : E → (F → 𝕜)` is continuous.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
eval_continuous (y : F) : continuous (λ x : weak_bilin B, B x y)
( continuous_pi_iff.mp (coe_fn_continuous B)) y
lemma
weak_bilin.eval_continuous
topology.algebra.module
src/topology/algebra/module/weak_dual.lean
[ "topology.algebra.module.basic", "linear_algebra.bilinear_map" ]
[ "continuous", "weak_bilin" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
continuous_of_continuous_eval [topological_space α] {g : α → weak_bilin B} (h : ∀ y, continuous (λ a, B (g a) y)) : continuous g
continuous_induced_rng.2 (continuous_pi_iff.mpr h)
lemma
weak_bilin.continuous_of_continuous_eval
topology.algebra.module
src/topology/algebra/module/weak_dual.lean
[ "topology.algebra.module.basic", "linear_algebra.bilinear_map" ]
[ "continuous", "topological_space", "weak_bilin" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
embedding {B : E →ₗ[𝕜] F →ₗ[𝕜] 𝕜} (hB : function.injective B) : embedding (λ (x : weak_bilin B) y, B x y)
function.injective.embedding_induced $ linear_map.coe_injective.comp hB
lemma
weak_bilin.embedding
topology.algebra.module
src/topology/algebra/module/weak_dual.lean
[ "topology.algebra.module.basic", "linear_algebra.bilinear_map" ]
[ "embedding", "function.injective.embedding_induced", "weak_bilin" ]
The coercion `(λ x y, B x y) : E → (F → 𝕜)` is an embedding.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
tendsto_iff_forall_eval_tendsto {l : filter α} {f : α → (weak_bilin B)} {x : weak_bilin B} (hB : function.injective B) : tendsto f l (𝓝 x) ↔ ∀ y, tendsto (λ i, B (f i) y) l (𝓝 (B x y))
by rw [← tendsto_pi_nhds, embedding.tendsto_nhds_iff (embedding hB)]
theorem
weak_bilin.tendsto_iff_forall_eval_tendsto
topology.algebra.module
src/topology/algebra/module/weak_dual.lean
[ "topology.algebra.module.basic", "linear_algebra.bilinear_map" ]
[ "embedding", "embedding.tendsto_nhds_iff", "filter", "tendsto_pi_nhds", "weak_bilin" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
top_dual_pairing (𝕜 E) [comm_semiring 𝕜] [topological_space 𝕜] [has_continuous_add 𝕜] [add_comm_monoid E] [module 𝕜 E] [topological_space E] [has_continuous_const_smul 𝕜 𝕜] : (E →L[𝕜] 𝕜) →ₗ[𝕜] E →ₗ[𝕜] 𝕜
continuous_linear_map.coe_lm 𝕜
def
top_dual_pairing
topology.algebra.module
src/topology/algebra/module/weak_dual.lean
[ "topology.algebra.module.basic", "linear_algebra.bilinear_map" ]
[ "add_comm_monoid", "comm_semiring", "continuous_linear_map.coe_lm", "has_continuous_add", "has_continuous_const_smul", "module", "topological_space" ]
The canonical pairing of a vector space and its topological dual.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
dual_pairing_apply (v : (E →L[𝕜] 𝕜)) (x : E) : top_dual_pairing 𝕜 E v x = v x
rfl
lemma
dual_pairing_apply
topology.algebra.module
src/topology/algebra/module/weak_dual.lean
[ "topology.algebra.module.basic", "linear_algebra.bilinear_map" ]
[ "top_dual_pairing" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
weak_dual (𝕜 E) [comm_semiring 𝕜] [topological_space 𝕜] [has_continuous_add 𝕜] [has_continuous_const_smul 𝕜 𝕜] [add_comm_monoid E] [module 𝕜 E] [topological_space E]
weak_bilin (top_dual_pairing 𝕜 E)
def
weak_dual
topology.algebra.module
src/topology/algebra/module/weak_dual.lean
[ "topology.algebra.module.basic", "linear_algebra.bilinear_map" ]
[ "add_comm_monoid", "comm_semiring", "has_continuous_add", "has_continuous_const_smul", "module", "top_dual_pairing", "topological_space", "weak_bilin" ]
The weak star topology is the topology coarsest topology on `E →L[𝕜] 𝕜` such that all functionals `λ v, top_dual_pairing 𝕜 E v x` are continuous.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
weak_dual.continuous_linear_map_class : continuous_linear_map_class (weak_dual 𝕜 E) 𝕜 E 𝕜
continuous_linear_map.continuous_semilinear_map_class
instance
weak_dual.weak_dual.continuous_linear_map_class
topology.algebra.module
src/topology/algebra/module/weak_dual.lean
[ "topology.algebra.module.basic", "linear_algebra.bilinear_map" ]
[ "continuous_linear_map_class", "weak_dual" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
module' (R) [semiring R] [module R 𝕜] [smul_comm_class 𝕜 R 𝕜] [has_continuous_const_smul R 𝕜] : module R (weak_dual 𝕜 E)
continuous_linear_map.module
instance
weak_dual.module'
topology.algebra.module
src/topology/algebra/module/weak_dual.lean
[ "topology.algebra.module.basic", "linear_algebra.bilinear_map" ]
[ "has_continuous_const_smul", "module", "semiring", "smul_comm_class", "weak_dual" ]
If `𝕜` is a topological module over a semiring `R` and scalar multiplication commutes with the multiplication on `𝕜`, then `weak_dual 𝕜 E` is a module over `R`.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
coe_fn_continuous : continuous (λ (x : weak_dual 𝕜 E) y, x y)
continuous_induced_dom
lemma
weak_dual.coe_fn_continuous
topology.algebra.module
src/topology/algebra/module/weak_dual.lean
[ "topology.algebra.module.basic", "linear_algebra.bilinear_map" ]
[ "continuous", "continuous_induced_dom", "weak_dual" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83