Computing with Continuous Objects: A Uniform Co-inductive Approach

04/11/2020

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by   Dieter Spreen, et al.

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A uniform approach to computing with infinite objects like real numbers, tuples of these, compacts sets, and uniformly continuous maps is presented. In work of Berger it was shown how to extract certified algorithms working with the signed digit representation from constructive proofs. Berger and the present author generalised this approach to complete metric spaces and showed how to deal with compact sets. Here, we unify this work and lay the foundations for doing a similar thing for a much more comprehensive class of objects occurring in applications. The approach is of the same computational power as Weihrauch's Type-Two Theory of Effectivity.