C^n monoid #
A C^n monoid is a monoid that is also a C^n manifold, in which multiplication is a C^n map
of the product manifold G Γ G into G.
In this file we define the basic structures to talk about C^n monoids: ContMDiffMul and its
additive counterpart ContMDiffAdd. These structures are general enough to also talk about C^n
semigroups.
Basic hypothesis to talk about a C^n (Lie) additive monoid or a C^n additive
semigroup. A C^n additive monoid over G, for example, is obtained by requiring both the
instances AddMonoid G and ContMDiffAdd I n G.
- compatible {e e' : PartialHomeomorph G H} : e β atlas H G β e' β atlas H G β e.symm.trans e' β contDiffGroupoid n I
Instances
Alias of ContMDiffAdd.
Basic hypothesis to talk about a C^n (Lie) additive monoid or a C^n additive
semigroup. A C^n additive monoid over G, for example, is obtained by requiring both the
instances AddMonoid G and ContMDiffAdd I n G.
Equations
Instances For
Basic hypothesis to talk about a C^n (Lie) monoid or a C^n semigroup.
A C^n monoid over G, for example, is obtained by requiring both the instances Monoid G
and ContMDiffMul I n G.
- compatible {e e' : PartialHomeomorph G H} : e β atlas H G β e' β atlas H G β e.symm.trans e' β contDiffGroupoid n I
Instances
Alias of ContMDiffMul.
Basic hypothesis to talk about a C^n (Lie) monoid or a C^n semigroup.
A C^n monoid over G, for example, is obtained by requiring both the instances Monoid G
and ContMDiffMul I n G.
Equations
Instances For
Alias of contMDiff_mul.
Alias of contMDiff_add.
If the multiplication is C^n, then it is continuous. This is not an instance for technical
reasons, see note [Design choices about smooth algebraic structures].
If the addition is C^n, then it is continuous. This is not an instance for
technical reasons, see note [Design choices about smooth algebraic structures].
Alias of continuousMul_of_contMDiffMul.
If the multiplication is C^n, then it is continuous. This is not an instance for technical
reasons, see note [Design choices about smooth algebraic structures].
Alias of ContMDiffWithinAt.mul.
Alias of ContMDiffAt.mul.
Alias of ContMDiffOn.mul.
Alias of ContMDiff.mul.
Alias of ContMDiffWithinAt.add.
Alias of ContMDiffAt.add.
Alias of ContMDiffOn.add.
Alias of ContMDiff.add.
Alias of contMDiff_mul_left.
Alias of contMDiff_add_left.
Alias of contMDiff_mul_right.
Alias of contMDiff_add_right.
Left multiplication by g. It is meant to mimic the usual notation in Lie groups.
Used mostly through the notation π³.
Lemmas involving smoothLeftMul with the notation π³ usually use L instead of π³ in the
names.
Equations
- smoothLeftMul I g = β¨fun (x : G) => g * x, β―β©
Instances For
Right multiplication by g. It is meant to mimic the usual notation in Lie groups.
Used mostly through the notation πΉ.
Lemmas involving smoothRightMul with the notation πΉ usually use R instead of πΉ in the
names.
Equations
- smoothRightMul I g = β¨fun (x : G) => x * g, β―β©
Instances For
Left multiplication by g. It is meant to mimic the usual notation in Lie groups.
Used mostly through the notation π³.
Lemmas involving smoothLeftMul with the notation π³ usually use L instead of π³ in the
names.
Equations
- LieGroup.Β«termπ³Β» = Lean.ParserDescr.node `LieGroup.Β«termπ³Β» 1024 (Lean.ParserDescr.symbol "π³")
Instances For
Right multiplication by g. It is meant to mimic the usual notation in Lie groups.
Used mostly through the notation πΉ.
Lemmas involving smoothRightMul with the notation πΉ usually use R instead of πΉ in the
names.
Equations
- LieGroup.Β«termπΉΒ» = Lean.ParserDescr.node `LieGroup.Β«termπΉΒ» 1024 (Lean.ParserDescr.symbol "πΉ")
Instances For
Alias of contMDiff_pow.
Alias of contMDiff_nsmul.
Morphism of additive C^n monoids.
- toFun : G β G'
- map_add' (x y : G) : (βself.toAddMonoidHom).toFun (x + y) = (βself.toAddMonoidHom).toFun x + (βself.toAddMonoidHom).toFun y
- contMDiff_toFun : ContMDiff I I' n (βself.toAddMonoidHom).toFun
Instances For
Alias of ContMDiffAddMonoidMorphism.
Morphism of additive C^n monoids.
Equations
Instances For
Morphism of C^n monoids.
- toFun : G β G'
- map_mul' (x y : G) : (βself.toMonoidHom).toFun (x * y) = (βself.toMonoidHom).toFun x * (βself.toMonoidHom).toFun y
- contMDiff_toFun : ContMDiff I I' n (βself.toMonoidHom).toFun
Instances For
Alias of ContMDiffMonoidMorphism.
Morphism of C^n monoids.
Equations
Instances For
Equations
- instInhabitedContMDiffMonoidMorphism = { default := 1 }
Equations
- instInhabitedContMDiffAddMonoidMorphism = { default := 0 }
Equations
- instFunLikeContMDiffMonoidMorphism = { coe := fun (a : ContMDiffMonoidMorphism I I' n G G') => (βa.toMonoidHom).toFun, coe_injective' := β― }
Equations
- instFunLikeContMDiffAddMonoidMorphism = { coe := fun (a : ContMDiffAddMonoidMorphism I I' n G G') => (βa.toAddMonoidHom).toFun, coe_injective' := β― }
Differentiability of finite point-wise sums and products #
Finite point-wise products (resp. sums) of C^n functions M β G (at x/on s)
into a commutative monoid G are C^n at x/on s.
Alias of contMDiffAt_finprod.
Alias of contMDiffAt_finsum.
Alias of contMDiffWithinAt_finset_prod'.
Alias of contMDiffWithinAt_finset_sum'.
Alias of contMDiffWithinAt_finset_prod.
Alias of contMDiffWithinAt_finset_sum.
Alias of contMDiffAt_finset_prod'.
Alias of contMDiffAt_finset_sum'.
Alias of contMDiffAt_finset_prod.
Alias of contMDiffAt_finset_sum.
Alias of contMDiffOn_finset_prod'.
Alias of contMDiffOn_finset_sum'.
Alias of contMDiffOn_finset_prod.
Alias of contMDiffOn_finset_sum.
Alias of contMDiffOn_finset_prod'.
Alias of contMDiffOn_finset_sum'.
Alias of contMDiff_finset_prod.
Alias of contMDiff_finset_sum.
Alias of contMDiff_finprod.
Alias of contMDiff_finsum.
Alias of contMDiff_finprod_cond.
Alias of contMDiff_finsum_cond.
Alias of ContMDiffWithinAt.div_const.
Alias of ContMDiffAt.div_const.
Alias of ContMDiffOn.div_const.
Alias of ContMDiff.div_const.