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Gene Ward Smith : ウィキペディア英語版 | Gene Ward Smith Gene Ward Smith (born 1947) is an American mathematician and music theorist. In mathematics he has worked in the areas of Galois theory and Moonshine theory. In music theory, he is noted for a number of innovations in the theory of musical tuning, such as the introduction of multilinear algebra and for being the first to write music in a number of exotic intonation systems. A boyhood friend of Steven Spielberg, a few of his biographical details appear incidentally in the biography of Spielberg by Joseph McBride. ==Mathematics== In mathematics, Smith's most notable achievement is the construction of what has been called the Smith generic cyclic polynomial. For any integer ''n'' not divisible by eight, this constructs a polynomial which, upon specializing the values, gives all of the cyclic extensions of any given base field with characteristic prime to ''n''. This can then be extended to metacyclic extensions, such as dihedral groups. Smith was also a member of the ''Amdahl Six'' group, which held the record for the largest known prime number from 1989-1992.〔(The Amdahl Six )〕
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