Computability theory

Results: 1231



#Item
921Mathematics / Computer science / Computable function / Recursive set / Recursively enumerable set / Enumeration / Generic-case complexity / Halting problem / Low / Computability theory / Theory of computation / Theoretical computer science

ASYMPTOTIC DENSITY AND COMPUTABLY ENUMERABLE SETS RODNEY G. DOWNEY, CARL G. JOCKUSCH, JR., AND PAUL E. SCHUPP Abstract. We study connections between classical asymptotic density, computability and computable enumerabilit

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Source URL: www.math.uiuc.edu

Language: English - Date: 2013-07-19 19:14:33
922Field theory / Computable number / Real closed field / Natural density / Recursively enumerable set / Limit superior and limit inferior / Itō diffusion / Mathematics / Theory of computation / Computability theory

ASYMPTOTIC DENSITY AND THE ERSHOV HIERARCHY ROD DOWNEY, CARL JOCKUSCH, TIMOTHY H. MCNICHOLL, AND PAUL SCHUPP Abstract. We classify the asymptotic densities of the ∆02 sets according to their level in the Ershov hierarc

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Source URL: www.math.uiuc.edu

Language: English - Date: 2014-02-03 11:22:38
923Applied mathematics / Computable function / Turing reduction / Reduction / Algorithmically random sequence / Function / Computability theory / Mathematics / Computer science

DIAGONALLY NON-COMPUTABLE FUNCTIONS AND BI-IMMUNITY CARL G. JOCKUSCH, JR. AND ANDREW E.M. LEWIS Abstract. We prove that every diagonally noncomputable function computes a set A which is bi-immune, meaning that neither A

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Source URL: www.math.uiuc.edu

Language: English - Date: 2013-02-02 15:47:48
924Logic / Theory of computation / Congruence lattice problem / Mathematics / Computability theory / Forcing

RAMSEY’S THEOREM AND CONE AVOIDANCE DAMIR D. DZHAFAROV AND CARL G. JOCKUSCH, JR. Abstract. It was shown by Cholak, Jockusch, and Slaman that every computable 2-coloring of pairs admits an infinite low2 homogeneous set

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Source URL: www.math.uiuc.edu

Language: English - Date: 2009-07-29 17:59:20
925Mathematics / Computable function / Algorithmically random sequence / Busy beaver / Theory of computation / Computability theory / Applied mathematics

ASYMPTOTIC DENSITY, COMPUTABLE TRACEABILITY, AND 1-RANDOMNESS URI ANDREWS, MINGZHONG CAI, DAVID DIAMONDSTONE, CARL JOCKUSCH, AND STEFFEN LEMPP Abstract. Let r be a real number in the unit interval [0, 1]. A set A ⊆ ω

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Source URL: www.math.uiuc.edu

Language: English - Date: 2014-02-03 11:22:22
926Year of birth missing / Turing degree / Mathematics / Mathematical logic / Logic / Proof theory / Computability theory / Carl Jockusch / Place of birth missing

ERRATA FOR “ON THE STRENGTH OF RAMSEY’S THEOREM FOR PAIRS” PETER A. CHOLAK, CARL G. JOCKUSCH, JR., AND THEODORE A. SLAMAN Several proofs given in [2] contain significant errors or gaps, although

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Source URL: www.math.uiuc.edu

Language: English - Date: 2009-08-16 22:19:13
927Science / Abstract / Academia / Technology / Knowledge / Computability theory / Formal methods / Models of computation / Evidence-based nursing / Technical communication / Scientific journal / Mathematics

32 THE JOURNAL OF UNDERGRADUATE RESEARCH IN PHYSICS PREPARING A MANUSCRIPT FOR PUBLICATION Rexford E. Adelberger, Editor

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Source URL: www.jurp.org

Language: English - Date: 2012-01-18 16:26:21
928Lambda calculus / Computability theory / Subroutines / Theoretical computer science / Functional programming / Function / Church encoding / Calculus / Eval / Software engineering / Computing / Mathematics

Church Numerals Amazingly, any function that can be computed at all, such as factorial(5) or sqrt(7) or piglatin(Scratch), can be computed using only and . The study of how to do this is "lambda calculus," a mathematical

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Source URL: byob.berkeley.edu

Language: English - Date: 2010-05-10 03:05:25
929Applied mathematics / Theory of computation / Randomness / Algorithmic information theory / Information theory / Kolmogorov complexity / Algorithmically random sequence / Complexity / Computable function / Theoretical computer science / Mathematics / Computability theory

Applied Mathematics and Computation xxx[removed]xxx–xxx Contents lists available at ScienceDirect Applied Mathematics and Computation journal homepage: www.elsevier.com/locate/amc

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Source URL: scribblethink.org

Language: English - Date: 2012-11-02 20:38:30
930Mathematics / Theory of computation / PA degree / Computable function / Reverse mathematics / Model theory / Forcing / Combinatory logic / Primitive recursive function / Computability theory / Mathematical logic / Theoretical computer science

THE STRENGTH OF SOME COMBINATORIAL PRINCIPLES RELATED TO RAMSEY’S THEOREM FOR PAIRS DENIS R. HIRSCHFELDT, CARL G. JOCKUSCH, JR., BJØRN KJOS-HANSSEN, STEFFEN LEMPP, AND THEODORE A. SLAMAN Abstract. We study the reverse

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Source URL: www.math.uiuc.edu

Language: English - Date: 2009-07-29 17:55:43
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