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Turing machine equivalents information


A Turing machine is a hypothetical computing device, first conceived by Alan Turing in 1936. Turing machines manipulate symbols on a potentially infinite strip of tape according to a finite table of rules, and they provide the theoretical underpinnings for the notion of a computer algorithm.

While none of the following models have been shown to have more power than the single-tape, one-way infinite, multi-symbol Turing-machine model, their authors defined and used them to investigate questions and solve problems more easily than they could have if they had stayed with Turing's a-machine model.

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Turing machine equivalents

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A Turing machine is a hypothetical computing device, first conceived by Alan Turing in 1936. Turing machines manipulate symbols on a potentially infinite...

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Turing machine

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Church's work intertwined with Turing's to form the basis for the Church–Turing thesis. This thesis states that Turing machines, lambda calculus, and other...

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Nondeterministic Turing machine

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In theoretical computer science, a nondeterministic Turing machine (NTM) is a theoretical model of computation whose governing rules specify more than...

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Quantum Turing machine

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particular quantum Turing machine. However, the computationally equivalent quantum circuit is a more common model.: 2  Quantum Turing machines can be related...

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Probabilistic Turing machine

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probabilities for the transitions, probabilistic Turing machines can be defined as deterministic Turing machines having an additional "write" instruction where...

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Universal Turing machine

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science, a universal Turing machine (UTM) is a Turing machine capable of computing any computable sequence, as described by Alan Turing in his seminal paper...

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Multitape Turing machine

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can be printed. Turing machine Universal Turing machine Alternating Turing machine Probabilistic Turing machine Turing machine equivalents Sipser, Michael...

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Turing completeness

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cellular automaton) is said to be Turing-complete or computationally universal if it can be used to simulate any Turing machine[citation needed] (devised by...

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Neural Turing machine

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A neural Turing machine (NTM) is a recurrent neural network model of a Turing machine. The approach was published by Alex Graves et al. in 2014. NTMs combine...

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Turing machine examples

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to supplement the article Turing machine. The following table is Turing's very first example (Alan Turing 1937): "1. A machine can be constructed to compute...

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Turing equivalence

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a universal Turing machine Turing degree equivalence (of sets), having the same level of unsolvability Turing machine equivalents Turing test (disambiguation)...

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Alternating Turing machine

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Turing machine (or to be more precise, the definition of acceptance for such a machine) alternates between these modes. An alternating Turing machine...

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Zeno machine

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Zeno machines (abbreviated ZM, and also called accelerated Turing machine, ATM) are a hypothetical computational model related to Turing machines that...

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Turing test

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The Turing test, originally called the imitation game by Alan Turing in 1950, is a test of a machine's ability to exhibit intelligent behaviour equivalent...

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Queue automaton

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queue machine is equivalent to a Turing machine by showing that a queue machine can simulate a Turing machine and vice versa. A Turing machine can be...

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Halting problem

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some given programming language that is general enough to be equivalent to a Turing machine. The problem is to determine, given a program and an input to...

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Oracle machine

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computability theory, an oracle machine is an abstract machine used to study decision problems. It can be visualized as a Turing machine with a black box, called...

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Register machine

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machine is a generic class of abstract machines used in a manner similar to a Turing machine. All models of register machines are Turing equivalent....

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Alan Turing

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an elder brother, John Ferrier Turing, father of Sir John Dermot Turing, 12th Baronet of the Turing baronets. Turing's father's civil service commission...

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Turing machine gallery

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the Turing machine and his statement: "The evidence seems to indicate that every algorithm for any computing device has an equivalent Turing machine algorithm...

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Unrestricted grammar

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(construction of an equivalent Turing machine from a given unrestricted grammar, p.221, cf. Section #Equivalence to Turing machines) tacitly requires finiteness...

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Unambiguous Turing machine

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In theoretical computer science, a Turing machine is a theoretical machine that is used in thought experiments[by whom?] to examine the abilities and...

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