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... 22 KB (2,988 words) - 12:28, 23 December 2023 |
In theoretical computer science, a nondeterministic Turing machine (NTM) is a theoretical model of computation whose governing rules specify more than... 12 KB (1,663 words) - 11:20, 8 April 2024 |
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... 29 KB (3,163 words) - 15:38, 11 April 2024 |
A quantum Turing machine (QTM) or universal quantum computer is an abstract machine used to model the effects of a quantum computer. It provides a simple... 9 KB (1,083 words) - 17:36, 20 June 2022 |
probabilities for the transitions, probabilistic Turing machines can be defined as deterministic Turing machines having an additional "write" instruction where... 8 KB (1,057 words) - 22:04, 29 March 2024 |
"Post–Turing program" and "Post–Turing machine" were used by Martin Davis in 1973–1974 (Davis 1973, p. 69ff). Later in 1980, Davis used the name "Turing–Post... 22 KB (2,783 words) - 12:20, 7 October 2023 |
relationship between partial Turing machines and total Turing machines: Can every partial function computable by a partial Turing machine be extended (that is... 9 KB (1,302 words) - 23:35, 10 September 2023 |
Halting problem (redirect from Lossy Turing machine) Turing machine starting from a given state ever print a given symbol?") and to the printing problem considered in Turing's 1936 paper ("does a Turing... 52 KB (7,232 words) - 17:11, 2 April 2024 |
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... 5 KB (416 words) - 16:40, 25 April 2023 |
A Turing machine is a hypothetical computing device, first conceived by Alan Turing in 1936. Turing machines manipulate symbols on a potentially infinite... 19 KB (2,662 words) - 18:26, 12 August 2023 |
Hypercomputation (redirect from Infinite-time Turing machine) super-Turing computation is a set of hypothetical models of computation that can provide outputs that are not Turing-computable. For example, a machine that... 30 KB (3,334 words) - 15:19, 11 February 2024 |
Turing machine (or to be more precise, the definition of acceptance for such a machine) alternates between these modes. An alternating Turing machine... 12 KB (1,963 words) - 12:43, 20 February 2024 |
A multi-tape Turing machine is a variant of the Turing machine that utilizes several tapes. Each tape has its own head for reading and writing. Initially... 4 KB (535 words) - 11:31, 8 December 2022 |
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... 19 KB (1,593 words) - 16:52, 24 February 2024 |
Deterministic finite automaton (redirect from Read-only right-moving Turing machines) eliminating isomorphic automata. Read-only right-moving Turing machines are a particular type of Turing machine that only moves right; these are almost exactly... 29 KB (3,602 words) - 09:48, 28 April 2024 |
computability theory, the Church–Turing thesis (also known as computability thesis, the Turing–Church thesis, the Church–Turing conjecture, Church's thesis... 57 KB (6,697 words) - 14:19, 27 March 2024 |
A Turing machine is an abstract mathematical computational device named after Alan Turing; see the box for variants of this meaning. Turing machine may... 585 bytes (115 words) - 08:38, 30 May 2021 |
order. The finite-state machine has less computational power than some other models of computation such as the Turing machine. The computational power... 41 KB (4,540 words) - 14:21, 29 November 2023 |
Turing machine with an attached printer. The Turing machine can use that printer as an output device to print strings. Every time the Turing machine wants... 3 KB (538 words) - 22:52, 27 March 2024 |
The following article is a supplement to the article Turing machine. The Turing machine shown here consists of a special paper tape that can be erased... 5 KB (545 words) - 17:29, 6 February 2022 |
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... 15 KB (2,014 words) - 05:07, 1 April 2024 |
Busy beaver (section Nondeterministic Turing machines) number of 1s among all other possible n-state competing Turing machines. The BB-2 Turing machine, for instance, achieves four 1s in six steps. Deciding... 48 KB (5,773 words) - 21:27, 19 March 2024 |
register 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... 53 KB (5,163 words) - 05:32, 24 April 2024 |
Zeno machines (abbreviated ZM, and also called accelerated Turing machine, ATM) are a hypothetical computational model related to Turing machines that... 7 KB (876 words) - 13:15, 2 January 2024 |
deterministic Turing machine, but many complexity classes are based on non-deterministic Turing machines, Boolean circuits, quantum Turing machines, monotone... 48 KB (6,302 words) - 23:03, 24 February 2024 |
A symmetric Turing machine is a Turing machine which has a configuration graph that is undirected (that is, configuration i yields configuration j if and... 4 KB (590 words) - 17:13, 10 January 2024 |
Computability theory (redirect from Turing computability) (Turing) computable, or recursive function if there is a Turing machine that, on input n, halts and returns output f(n). The use of Turing machines here... 54 KB (6,432 words) - 15:41, 4 February 2024 |