When is a function a fold or an unfold?

Gibbons, Jeremy and Hutton, Graham and Altenkirch, Thorsten (2001) When is a function a fold or an unfold? In: Workshop on Coalgebraic Methods in Computer Science (4th), 6-7 April 2001, Genova, Italy.

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Abstract

We give a necessary and sufficient condition for when a set-theoretic function can be written using the recursion operator fold, and a dual condition for the recursion operator unfold. The conditions are simple, practically useful, and generic in the underlying datatype.

Item Type: Conference or Workshop Item (Paper)
RIS ID: https://nottingham-repository.worktribe.com/output/1023065
Additional Information: Published in Electronic Notes in Theoretical Computer Science, 44(1), May 2001, 146-160, doi: 10.1016/S1571-0661(04)80906-X
Schools/Departments: University of Nottingham, UK > Faculty of Science > School of Computer Science
Depositing User: Hutton, Prof Graham
Date Deposited: 26 Feb 2015 16:11
Last Modified: 04 May 2020 20:32
URI: http://eprints.nottingham.ac.uk/id/eprint/28196

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