Smooth monoid morphisms #
Identity, composition, and their laws for bundled smooth multiplicative and additive monoid morphisms. It also propagates the regularity of multiplicative and additive maps from a group at any one point to the whole group.
The identity smooth monoid morphism.
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The identity smooth additive monoid morphism.
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Composition of smooth monoid morphisms.
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Composition of smooth additive monoid morphisms.
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The identity smooth monoid morphism is a left unit for composition.
The identity smooth additive monoid morphism is a left unit for composition.
The identity smooth monoid morphism is a right unit for composition.
The identity smooth additive monoid morphism is a right unit for composition.
Composition of smooth monoid morphisms is associative.
Composition of smooth additive monoid morphisms is associative.
A multiplicative map from a group that is C^n at one point is C^n everywhere.
This is a smooth generalization of Mathlib's continuous_of_continuousAt_one, with regularity
assumed at an arbitrary basepoint.
The map need not preserve an identity. Only the individual left translations on the source
and target must be C^n, as expressed by ContMDiffConstSMul for multiplication acting on
itself. In particular, smooth multiplication suffices; smooth inversion is not required.
An additive map from an additive group that is C^n at one point is C^n everywhere.
This is a smooth generalization of Mathlib's continuous_of_continuousAt_zero, with regularity
assumed at an arbitrary basepoint.
The map need not preserve a zero. Only the individual left translations on the source
and target must be C^n, as expressed by ContMDiffConstVAdd for addition acting on
itself. In particular, smooth addition suffices; smooth negation is not required.