Extension d'un théorème de Pólya-Cantor à des séries rationnelles en variables non commutatives
Extension of classical sequences to negative integers
We give a method to extend Bell exponential polynomials to negative indices. This generalizes many results of this type such as the extension to negative indices of Stirling numbers or of Bernoulli numbers.
Extensions de quelques théorèmes de densité
Extensions of asymptotic expansions from Chapter 15 of Ramanujan's second notebook.
Extremal problems about additive bases
Extremal subsets of avoiding solutions to linear equations in three variables.
Extremale asymptotische Reichweitenbasen