analysis (differential/integral calculus, functional analysis, topology)
metric space, normed vector space
open ball, open subset, neighbourhood
convergence, limit of a sequence
compactness, sequential compactness
continuous metric space valued function on compact metric space is uniformly continuous
…
…
constructive mathematics, realizability, computability
propositions as types, proofs as programs, computational trinitarianism
computability in analysis, constructive analysis
type I computability | type II computability | |
---|---|---|
typical domain | natural numbers $\mathbb{N}$ | Baire space of infinite sequences $\mathbb{B} = \mathbb{N}^{\mathbb{N}}$ |
computable functions | partial recursive function | computable function (analysis) |
type of computable mathematics | recursive mathematics | computable analysis, Type Two Theory of Effectivity |
type of realizability | number realizability | function realizability |
partial combinatory algebra | Kleene's first partial combinatory algebra | Kleene's second partial combinatory algebra |
A standard textbook is
A survey is in
The Relation to realizability topos theory is discussed in
P. Lietz, From constructive mathematics to computable analysis via the realizability interpretation , Ph.D. dissertation, Fachbereich Mathematik, TU Darmstadt, Darmstadt, 2004.
Andrej Bauer, The realizability approach to computable analysis and topology, Ph.D. dissertation, School of Computer Science, Carnegie Mellon University, Pittsburgh, 2000.
Andrej Bauer, Realizability as connection between constructive and computable mathematics, in T. Grubba, P. Hertling, H. Tsuiki, and Klaus Weihrauch, (eds.) CCA 2005 - Second International Conference on Computability and Complexity in Analysis, August 25-29,2005, Kyoto, Japan, ser. Informatik Berichte, , vol. 326-7/2005. FernUniversität Hagen, Germany, 2005, pp. 378–379. (pdf)