Results 71 to 80 of about 374 (176)

Lacunary Statistical Convergence of Sequences of Real-Valued Functions [PDF]

open access: yesJournal of Mathematics, 2013
We introduce the concepts of the lacunary statistical convergence of sequences of real-valued functions. We also give the relation between this convergence and strongly lacunary and pointwise statistical convergence. Furthermore we introduce the concept of a lacunary statistical Cauchy sequence for functional sequences and prove that it is equivalent ...
openaire   +3 more sources

A pointwise ergodic theorem along return times of rapidly mixing systems

open access: yesBulletin of the London Mathematical Society, Volume 57, Issue 12, Page 3730-3748, December 2025.
Abstract We introduce a new class of sparse sequences that are ergodic and pointwise universally L2$L^2$‐good for ergodic averages; that is, sequences along which the ergodic averages converge almost surely to the projection to invariant functions.
Sebastián Donoso   +2 more
wiley   +1 more source

Radial boundary values of lacunary power series

open access: yesKarpatsʹkì Matematičnì Publìkacìï, 2014
We strengthened MacLane's theorem concerning radial boundary values of lacunary power series.
I.V. Andrusyak, P.V. Filevych
doaj   +1 more source

I-lacunary summability function of order α

open access: yesFilomat, 2017
In this paper, we further generalize recently introduced summability methods in [23](where ideals of N were used to extend certain important summability methods) and introduce new notions, namely, I-statistical convergence of order ?, where 0 < ? < 1 by taking nonnegative real-valued Lebesque measurable function in the interval (1,?).
openaire   +2 more sources

Some Generalized Lacunary statistically difference double semi-normed sequence spaces defined by Orlicz function - doi: 10.4025/actascitechnol.v35i1.15523

open access: yesActa Scientiarum: Technology, 2013
In this article, we have introduced the idea of statistically convergent generalized difference lacunary double sequence spaces [¯w2 (M, Δn, p,q)]θ, [¯w2 (M, Δn, p,q)]θ and defined over a semi norm space (X, q). Also we have study some basic properties
Ayhan Esi, Bipan Hazarika
doaj   +1 more source

The Attractors of the Common Differential Operator Are Determined by Hyperbolic and Lacunary Functions [PDF]

open access: yesInternational Journal of Mathematics and Mathematical Sciences, 2008
For analytic functions, we investigate the limit behavior of the sequence of their derivatives by means of Taylor series, the attractors are characterized by ω‐limit sets. We describe four different classes of functions, with empty, finite, countable, and uncountable attractors.
openaire   +2 more sources

On asymptotics for lacunary partition functions

open access: yesMathematica Slovaca
Abstract We give asymptotic analysis of power series associated with lacunary partition functions. New partition theoretic interpretations of some basic hypergeometric series are offered as examples.
openaire   +2 more sources

Application of f-lacunary statistical convergence to approximation theorems

open access: yesJournal of Inequalities and Applications, 2018
The concept of f-lacunary statistical convergence which is, in fact, a generalization of lacunary statistical convergence, has been introduced recently by Bhardwaj and Dhawan (Abstr. Appl. Anal. 2016:9365037, 2016).
Vinod K Bhardwaj, Shweta Dhawan
doaj   +1 more source

Statistical Soft Wijsman Convergence

open access: yesSakarya Üniversitesi Fen Bilimleri Enstitüsü Dergisi
The concept of convergence is a fundamental tool for building or understanding a mathematical structure. In particular, many applied areas of mathematics require the analysis of sets or set-based approximations.
Erdal Bayram
doaj   +1 more source

f-asymptotically lacunary ideal equivalence of double sequences

open access: yesJournal of Inequalities and Applications, 2019
In this study, we present the notions of f-asymptotically I2 $\mathcal{I}_{2}$-equivalence, strongly f-asymptotically I2 $\mathcal{I}_{2}$-equivalence, f-asymptotically lacunary I2 $\mathcal{I}_{2}$-equivalence, and strongly f-asymptotically lacunary I2 $
Nimet Pancaroǧlu Akın
doaj   +1 more source

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