Results 21 to 30 of about 68 (35)

Asymptotically lacunary I-invariant equivalence of sequences defined by A modulus function [PDF]

open access: yes, 2018
In this paper, we introduce the concepts of strongly asymptotically lacunary ideal in- variant equivalence, f-asymptotically lacunary ideal invariant equivalence, strongly f-asymptotically lacunary ideal invariant equivalence and asymptotically ...
Dündar, Erdinç   +2 more
core  

The Square Root Problem and Subnormal Aluthge Transforms of Recursively Generated Weighted Shifts

open access: yes, 2023
For recursively generated shifts, we provide definitive answers to two outstanding problems in the theory of unilateral weighted shifts: the Subnormality Problem ({\bf SP}) (related to the Aluthge transform) and the Square Root Problem ({\bf SRP}) (which
Azhar, Hamza El   +3 more
core  

Four-dimensional matrix transformation and the double Gibbs\u27 phenomenon [PDF]

open access: yes, 2009
In 1976 Fridy presented a series of theorems that chacterize when matrices preserve the Gibbs\u27 phenomenon. In this paper we present a multidimensional extension of the results of Fridy. In particular, we prove necessary and sufficient conditions for a
Billy E. Rhoades, Richard F. Patterson
core   +1 more source

$bar{lambda}$-double sequence spaces of fuzzy real numbers defined by Orlicz function [PDF]

open access: yes, 2009
In this paper we define and study two concepts which arise from the notion of de la Vallée Poussin means, namely: strongly double $bar{lambda}$- convergence defined by Orlicz function and $bar{lambda}$-statistical convergence and establish a natural ...
Ekrem Savaş
core   +1 more source

SOME GENERALIZED TRIPLE SEQUENCE SPACES DEFINED BY MODULUS FUNCTION [PDF]

open access: yes, 2016
In this paper we have introduced some newly defined triple sequence spaces by combining the modulus function and non-negative six dimensional matrix of the form A=(........) and study some of their topological properties. We have also obtained and proved
Das, Bimal Chandra, Debnath, Shyamal
core  

ELA PARTIAL CONVERGENCE AND SIGN CONVERGENCE OF

open access: yes, 1998
. This paper investigates the convergence over the reals and in the sign +;,; 0 sense of individual elements of matrix powers A k as k!1in dependence on the eigenvalues and left and right (generalized) eigenvector structure of a given matrix A 2 R nn ...
Frank Uhlig Y   +2 more
core   +2 more sources

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