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mathematical analysis > combinatorics > umbral calculus
algebra > combinatorics > umbral calculus
... > mathematical analysis > function > elementary function > polynomial > polynomial equation > umbral calculus
algebra > polynomial > polynomial equation > umbral calculus
mathematical analysis > equation > polynomial equation > umbral calculus

Preferred term

umbral calculus  

Definition

  • In mathematics before the 1970s, the term umbral calculus referred to the surprising similarity between seemingly unrelated polynomial equations and certain shadowy techniques used to "prove" them. These techniques were introduced by John Blissard and are sometimes called Blissard's symbolic method. They are often attributed to Édouard Lucas (or James Joseph Sylvester), who used the technique extensively.
    (Wikipedia, The Free Encyclopedia, https://en.wikipedia.org/wiki/Umbral_calculus)

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http://data.loterre.fr/ark:/67375/PSR-J9TLDK49-R

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