In mathematics and computer science, computable analysis is the study of mathematical The computable real numbers form a real closed field ( Weihrauch , p. ). The equality relation on computable real numbers is not computable. Klaus Weihrauch Are differentiation and integration computable operators? Computable analysis supplies exact definitions for these and many other similar . Decheng Ding, Klaus Weihrauch, Yongcheng Wu, Absolutely non-effective predicates and functions in computable analysis, Proceedings of the 4th.

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Bishop seth-set. Kleene’s first algebraKleene’s second algebra. Type Two Theory of Effectivity.

[] Weihrauch Complexity in Computable Analysis

A computable function is often taken to be one that acts on the natural numbers a partial recursive function? This means that in this context of analysis a computable function should be an algorithm that successively reads in natural numbers from a possibly weihrsuch list specifying an input to ever higher accuracy and accordingly outputs a result as incrementally as an infinite list.


Mathematically this is captured by continuous functions on quotient spaces of Baire space computability and goes by the name Type Two Theory of Effectivity or similar.

In implementations this is essentially what is known as exact real computer arithmetic. In Type Two Theory of Effectivity for computable analysis see Weihrauch 00 one considers the following definition:. See also at effective topological space.

Write AdmRep AdmRep for the category of admissible representations in this sense, and continuously realizable and hence continuous functions between these.

Computable analysis – Wikipedia

Under the above inclusion, all complete separable metric spaces are in AdmRep AdmRep. Some standard classes of examples with an eye towards applications in weihhrauch physics are discussed in Weihrauch-Zhong 02, def.

Klaus WeihrauchComputable Analysis.

Jaap van OostenRealizability: Concrete examples with an eye towards applications in computable physics are discussed in section 2 of. Last revised on March 3, at See the history of this page for a list of all contributions to it.


This site is running on Instiki 0. Kleene’s first partial combinatory algebra. Kleene’s second partial combinatory algebra.