Apomorphism
In formal methods of computer science, an apomorphism (from ἀπό — Greek for "apart") is the categorical dual of a paramorphism and an extension of the concept of anamorphism (coinduction). Whereas a paramorphism models primitive recursion over an inductive data type, an apomorphism models primitive corecursion over a coinductive data type.
Origins
The term "apomorphism" was introduced in Functional Programming with Apomorphisms (Corecursion).[1]
See also
- Morphism
- Morphisms of F-algebras
- From an initial algebra to an algebra: Catamorphism
- From a coalgebra to a final coalgebra: Anamorphism
- An anamorphism followed by an catamorphism: Hylomorphism
- Extension of the idea of catamorphisms: Paramorphism
References
- ^ Vene, Varmo; Uustalu, Tarmo (1998), "Functional Programming with Apomorphisms (Corecursion)" (PDF), Proceedings of the Estonian Academy of Sciences: Physics, Mathematics, 47 (3): 147–161
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