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On This Day

  • 9-29-1801

    Gauss's Disquisitiones Arithmeticae published. Its 24-year-old author unified and extended the number theory of his day.

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    Carl Friedrich Gauss
    Disquisitiones Arithmeticae
  • 9-29-1803

    Charles Francois Sturm born in Geneva, Switzerland. Sturm's Theorem helps locate roots of polynomials.

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    Charles-Francois Sturm
    Sturm's Theorem
  • 9-29-1928

    Ernst Steinitz died in Kiel, Germany. Best known as a field theorist, he also was a talented pianist.

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    Ernst Steinitz