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Alan Turing searched for them on the Manchester Mark 1 in 1949, but the first successful identification of a Mersenne prime, M < sub > 521 </ sub >, by this means was achieved at 10: 00 P. M. on January 30, 1952 using the U. S. National Bureau of Standards Western Automatic Computer ( SWAC ) at the Institute for Numerical Analysis at the University of California, Los Angeles, under the direction of Lehmer, with a computer search program written and run by Prof. R. M.
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Alan and Turing
Subsequent formalizations were framed as attempts to define " effective calculability " or " effective method "; those formalizations included the Gödel – Herbrand – Kleene recursive functions of 1930, 1934 and 1935, Alonzo Church's lambda calculus of 1936, Emil Post's " Formulation 1 " of 1936, and Alan Turing's Turing machines of 1936 – 7 and 1939.
Alan Mathison Turing, OBE, FRS ( ; 23 June 1912 – 7 June 1954 ), was a British mathematician, logician, cryptanalyst, and computer scientist.
Loops and conditional branching were possible, and so the language as conceived would have been Turing-complete as later defined by Alan Turing.
It was not a Turing complete computer, which distinguishes it from more general machines, like contemporary Konrad Zuse's Z3 ( 1941 ), or later machines like the 1946 ENIAC, 1949 EDVAC, the University of Manchester designs, or Alan Turing's post-War designs at NPL and elsewhere.
This topic was further developed in the 1930s by Alonso Church and Alan Turing, who on the one hand gave two independent but equivalent definitions of computability, and on the other gave concrete examples for undecidable questions.
Jeffreys | John Jeffreys and Alan Turing.
Among the famous mathematicians and cryptanalysts working there, the most influential and the best-known in later years was Alan Turing who is widely credited with being " The Father of Computer Science ".
The first theory about software was proposed by Alan Turing in his 1935 essay Computable numbers with an application to the Entscheidungsproblem ( decision problem ).
Alan Turing and John von Neumann were instrumental in these developments.
One of the most influential contributions to this question was an essay written in 1950 by pioneering computer scientist Alan Turing, titled Computing Machinery and Intelligence.
The origins of cognitive thinking such as computational theory of mind can be traced back as early as Descartes in the 17th century, and proceeding up to Alan Turing in the 1940s and ' 50s.
In the following, Marvin Minsky defines the numbers to be computed in a manner similar to those defined by Alan Turing in 1936, i. e. as " sequences of digits interpreted as decimal fractions " between 0 and 1:
: Alan Turing ( writing 30 years before Searle presented his argument ) noted that people never consider the problem of other minds when dealing with each other.
* British mathematician Alan Turing created a theoretical model for a machine, now called a universal Turing machine, that could carry out calculations from inputs,
The basis for later theoretical computer science, in Alonzo Church and Alan Turing also grew directly out of this ' debate '.
* Alan Turing: The Enigma by Andrew Hodges.
* Alan Turing: Life and Legacy of a Great Thinker by Christof Teuscher ( Editor )
In 1936 and 1937, Alonzo Church and Alan Turing, respectively, published independent papers showing that a general solution to the Entscheidungsproblem is impossible.
This was done by Alonzo Church in 1936 with the concept of " effective calculability " based on his λ calculus and by Alan Turing in the same year with his concept of Turing machines.
The negative answer to the was then given by Alonzo Church in 1935 – 36 and independently shortly thereafter by Alan Turing in 1936 – 37.
* Alan Turing, " On computable numbers, with an application to the Entscheidungsproblem ", Proceedings of the London Mathematical Society, Series 2, 42 ( 1937 ), pp 230 – 265.
* Andrew Hodges, Alan Turing: The Enigma, Simon and Schuster, New York, 1983.
* Toulmin, Stephen, " Fall of a Genius ", a book review of " Alan Turing: The Enigma by Andrew Hodges ", in The New York Review of Books, 19 January 1984, p. 3ff.
Alan and for
The materials for compromise are at hand: The Nation, Walter Lippmann and other sober commentators ( see Alan Clark on p. 367 ) have spelled them out again and again.
`` On trial in Jakarta for having flown for the Indonesian anti-Communist insurgents, U.S. pilot Alan Lawrence Pope boldly told the court that in supporting the freedom fighters, he was actually defending the sovereignty and independence of Indonesia.
* Obituary for Alan Alexander Milne ( German )
* 1964 – Peter Allen and Gwynne Evans are hanged for the Murder of John Alan West becoming the last people executed in the United Kingdom.
Arista Records then signed The Alan Parsons Project for further albums.
* Association for Computing Machinery Video Interview with Alan Kay
The years of his minority featured an embittered struggle for the control of affairs between two rival parties, the one led by Walter Comyn, Earl of Menteith, the other by Alan Durward, Justiciar of Scotia.
Another criticism is that universities tend more to pseudo-intellectualism than intellectualism per se ; for example, to protect their positions and prestige, academicians may over-complicate problems and express them in obscure language ( e. g., the Sokal affair, a hoax by physicist Alan Sokal attempting to show that American humanities professors invoke complicated, pseudoscientific jargon to support their political positions.
* Alan Bundy, University of Edinburgh, meta-level reasoning for guiding inductive proof, proof planning and recipient of 2007 IJCAI Award for Research Excellence, Herbrand Award, and 2003 Donald E. Walker Distinguished Service Award.
In classical LS AAS, as it has been proposed by Alan Walsh, the high spectral resolution required for AAS measurements is provided by the radiation source itself that emits the spectrum of the analyte in the form of lines that are narrower than the absorption lines.
Alan Jay Lerner's pattern of financial mismanagement continued until his death from cancer in 1986, when he reportedly owed the US Internal Revenue Service over US $ 1, 000, 000 in back taxes, and was unable to pay for his final medical expenses.
In an interview conducted by Alan Jackson for The Times Magazine in 2001, before the album was released, Dylan said " these so-called connoisseurs of Bob Dylan music ... I don't feel they know a thing, or have any inkling of who I am and what I ’ m about.
During this time, Montgomery faced serious trouble from his military superiors and the clergy for his frank attitude regarding the sexual health of his soldiers, but was defended from dismissal by his superior Alan Brooke, commander of II Corps.
Charlton played in all three, though was substituted for Alan Ball in the final game of the group against Czechoslovakia.
Writer Alan Grant has stated, " The Batman I wrote for 13 years isn't gay.
Although he broke through as a crossover artist with white audiences ( appearing at the Alan Freed concerts, for example ), he rarely tailored his compositions to teenage concerns.
* Randol Alan Bass composed Casey at the Bat for the Dallas Symphony Orchestra.
According to Alan Ryan, the ideology of the original classical liberals argued against direct democracy, where law is made by majority vote by citizens, " for there is nothing in the bare idea of majority rule to show that majorities will always respect the rights of property or maintain rule of law.
Alan Wolfe summarises this viewpoint, which reject ( s ) any such distinction and argue ( s ) instead for the existence of a continuous liberal understanding that includes both Adam Smith and John Maynard Keynes ...
In episode 73, season 4, entitled Working for Caligula of Two and a Half Men, the character of Berta said " I'm working for Caligula ," while picking up after Charlie who has resumed his hedonistic lifestyle after his brother Alan moved out.
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