Ideal convergence generated by double summability methods

Abstract: The main result of this note is that if I is an ideal generated by a regular double summability matrix summability method T that is the product of two nonnegative regular matrix methods for single sequences, then I-statistical convergence and convergence in I-density are equivalent. In particular, the method T generates a density µT with the additive property (AP) and hence, the additive property for null sets (APO). The densities used to generate statistical convergence, lacunary statistical convergence, and general de la Vallée-Poussin statistical convergence are generated by these types of double summability methods. If a matrix T generates a density with the additive property then T-statistical convergence, convergence in T-density and strong T-summabilty are equivalent for bounded sequences. An example is given to show that not every regular double summability matrix generates a density with additve property for null sets.

Location
Deutsche Nationalbibliothek Frankfurt am Main
Extent
Online-Ressource
Language
Englisch

Bibliographic citation
Ideal convergence generated by double summability methods ; volume:49 ; number:1 ; year:2016 ; pages:26-37 ; extent:12
Demonstratio mathematica ; 49, Heft 1 (2016), 26-37 (gesamt 12)

Creator
Connor, Jeff

DOI
10.1515/dema-2016-0004
URN
urn:nbn:de:101:1-2411181447090.020697241502
Rights
Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
Last update
15.08.2025, 7:22 AM CEST

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Associated

  • Connor, Jeff

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