Reference. From parametricity to conservation laws, via Noether’s theorem
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The Road to General Intelligence swan-2022-the
Models for Polymorphism over Physical Dimension atkey-2015-models
We provide a categorical framework for models of a type theory that has special types for physical quantities. The types are indexed by the physical dimensions that they involve. Fibrations are used to organize this index structure in the models of the type theory. We develop some informative models of this type theory: firstly, a model based on group actions, which captures invariance under scaling, and secondly, a way of constructing new models using relational parametricity.
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