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  1. Closing the gap between the continuous functionals and recursion in \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document} $^3E$\end{document}. [REVIEW]Dag Normann - 1997 - Archive for Mathematical Logic 36 (4-5):269-287.
    We show that the length of a hierarchy of domains with totality, based on the standard domain for the natural numbers \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document} ${\Bbb N}$\end{document} and closed under dependent products of continuously parameterised families of domains will be the first ordinal not recursive in \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document} $^3E$\end{document} and any real. As a part of the proof we show that the domains of the hierarchy share (...)
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  • Equational theories for inductive types.Ralph Loader - 1997 - Annals of Pure and Applied Logic 84 (2):175-217.
    This paper provides characterisations of the equational theory of the PER model of a typed lambda calculus with inductive types. The characterisation may be cast as a full abstraction result; in other words, we show that the equations between terms valid in this model coincides with a certain syntactically defined equivalence relation. Along the way we give other characterisations of this equivalence; from below, from above, and from a domain model, a version of the Kreisel-Lacombe-Shoenfield theorem allows us to transfer (...)
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  • (1 other version)Can partial indexings be totalized?Dieter Spreen - 2001 - Journal of Symbolic Logic 66 (3):1157-1185.
    In examples like the total recursive functions or the computable real numbers the canonical indexings are only partial maps. It is even impossible in these cases to find an equivalent total numbering. We consider effectively given topologicalT0-spaces and study the problem in which cases the canonical numberings of such spaces can be totalized,i.e., have an equivalent total indexing. Moreover, we show under very natural assumptions that such spaces can effectively and effectively homeomorphically be embedded into a totally indexed algebraic partial (...)
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  • (1 other version)Can partial indexings be totalized?Dieter Spreen - 2001 - Journal of Symbolic Logic 66 (3):1157-1185.
    In examples like the total recursive functions or the computable real numbers the canonical indexings are only partial maps. It is even impossible in these cases to find an equivalent total numbering. We consider effectively given topological T 0 -spaces and study the problem in which cases the canonical numberings of such spaces can be totalized, i.e., have an equivalent total indexing. Moreover, we show under very natural assumptions that such spaces can effectively and effectively homeomorphically be embedded into a (...)
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