Caractère de convergence des séries
Characterization of certain matrix classes involving generalized difference summability spaces.
Characterization of -core and absolute equivalence of double sequences.
Characterizations of completeness of normed spaces through weakly unconditionally Cauchy series
In this paper we obtain two new characterizations of completeness of a normed space through the behaviour of its weakly unconditionally Cauchy series. We also prove that barrelledness of a normed space can be characterized through the behaviour of its weakly- unconditionally Cauchy series in .
Characterizations of series in Banach spaces.
Classification analytique de structures de Poisson
Notre étude porte sur une catégorie de structures de Poisson singulières holomorphes au voisinage de et admettant une forme normale formelle polynomiale i.e. un nombre fini d’invariants formels. Les séries normalisantes sont divergentes en général. On montre l’existence de transformations normalisantes holomorphes sur des domaines sectoriels de la forme , où est un monôme associé au problème. Il suit une classification analytique.
Continuity and convergence properties of extremal interpolating disks.
Let a be a sequence of points in the unit ball of Cn. Eric Amar and the author have introduced the nonnegative quantity ρ(a) = infα infk Πj:j≠k dG(αj, αk), where dG is the Gleason distance in the unit disk and the first infimum is taken over all sequences α in the unit disk which map to a by a map from the disk to the ball.The value of ρ(a) is related to whether a is an interpolating sequence with respect to analytic disks passing through it, and if a is an interpolating sequence in the ball, then...
Convergence in Möbius number systems.
Convergence of -series revisited with applications.
Convergence of series and submeasures of the set of positive integers
Convergence of Series of Translations.
Convergence preserving permutations of and Fréchet’s space of permutations of
Convergence sets of divergent power series.
Convergencia de sucesiones dadas por fórmulas de recurencia de primer orden