Journée-séminaire de combinatoire

(équipe CALIN du LIPN, université Paris-Nord, Villetaneuse)

Le 10 novembre 2015 à 14h00 en B107, Yining Hu nous parlera de : The Flajolet-Soria formula, Furstenberg and Christol's theorems

Résumé : Part 1: We show that the Flajolet-Soria coeffcient extraction formula for algebraic series can be deduced from a theorem of Furstenberg, with which we can prove that the formula is valid for all fields and not only for the complex field.
Part 2: We present a method of finding infinite products involving blocking counting functions in any base. This is a generalization of the work of Allouche and Shallit, where the result applies to base 2.

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