Bounded index, entire solutions of ordinary differential equations and summability methods.
Bounded variation sequences of order k and the representation of null sequences.
Cesàro summability factors and a comparison of convergence rates
Characterization of certain matrix classes involving generalized difference summability spaces.
Characterization on some absolute summability factors of infinite series.
Correction to "A Generalization of Tauber's Theorem and Some Tauberian Constants (IV)".
Corrigendum on the paper: “An application of almost increasing and -quasi- monotone sequences".
Der induktive Limes von abzählbar vielen FH-Räumen. Vereinigungsverfahren..
Der Teilraum P im Wirkfeld eines Limitierungsverfahrens ist invariant.
Deux Théorèmes Mercerienes Asymptotiques Pour Des Suites A Comportement Lent
Deux théorèmes merceriens asymptotiques pour des suites à comportement lent.
Double sequence spaces over -normed spaces
In this paper, we define some classes of double sequences over -normed spaces by means of an Orlicz function. We study some relevant algebraic and topological properties. Further some inclusion relations among the classes are also examined.
Durch Matrixverschiebungen erweiterte Konvergenzbegriffe.
Equivalence results for discrete Abel means.
Erzeugung äquivalenter Summierungsverfahren durch Matrizenprodukte.
Factor Sequences and Their Algebras.
Factor sequences and their algebras II.
Generalization of some absolute summability methods.
Generalized almost-convergence vs. matrix summability
Gliding hump properties and some applications.