FEF, Matematik Bölümü, Makale Koleksiyonu
Recent Submissions
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Finding the traveling wave solutions of some nonlinear partial differential equations by an expansion method
(İstanbul Ticaret Üniversitesi, 2016)In this study, we construct an expansion method. We have implement this method for finding traveling wave solutions of nonlinear Klein-Gordon equation, Benjamin-Bona-Mahony equation, sixth-order Boussinesq equation and ... -
Traveling wave solutions of some nonlinear partial differential equations by using extended - expansion method
(İstanbul Ticaret Üniversitesi, 2015)In this study, we use extended (G’/G)-expansion method which is suggested in (Wang et al., 2008). By this method, we find traveling wave solutions of nonlinear Burgers and KdV equations. It is obtained graphics of these ... -
A note on |A|(K) summability factors for infinite series
(Springer, 2007)We obtain sufficient conditions on a nonnegative lower triangular matrix A and a sequence lambda(n) for the series Sigma a(n)lambda(n)/na(nn) to be absolutely summable of order k >= 1 by A. Copyright (c) 2007 E. Savas, and ... -
On general summability factor theorems
(Springer International Publishing AG, 2007)The goal of this paper is to obtain sufficient and (different) necessary conditions for a series Sigma a(n), which is absolutely summable of order k by a triangular matrix method A, 1 < k <= s < infinity, to be such that ... -
On (Lambda) over-bar-statistically convergent double sequences of fuzzy numbers
(Springer International Publishing AG, 2008)We study the notion of (lambda) over bar -statistically convergent for double sequence of fuzzy numbers and also get some inclusion relations. Copyright (C) 2008 Ekrem Savas. -
On the cesaro summability of double series
(Springer International Publishing AG, 2008)In a recent paper by Savas, and Sevli (2007), it was shown that each Cesaro matrix of order alpha, for alpha > -1, is absolutely kth power conservative for k >= 1. In this paper we extend this result to double Cesaro ... -
On absolute cesaro summability
(Springer International Publishing AG, 2009)Denote by A(k) the sequence space defined by A(k) = {(s(n)) : Sigma(infinity)(n=1) n(k-1)vertical bar a(n)vertical bar(k) < infinity, a(n) = s(n) - s(n-1)} for k >= 1. In a recent paper by E. Savas, and H. Sevli (2007), ... -
Summability of double independent random variables
(Hindawi Publishing Corporation, 2008)We will examine double sequence to double sequence transformation of independent identically distribution random variables with respect to four-dimensional summability matrix methods. The main goal of this paper is the ... -
On double statistical p-convergence of fuzzy numbers
(Springer International Publishing AG, 2009)Savas and Mursaleen defined the notions of statistically convergent and statistically Cauchy for double sequences of fuzzy numbers. In this paper, we continue the study of statistical convergence by proving some theorems. ... -
A recent note on quasi-power increasing sequence for generalized absolute summability
(Springer, 2009)We prove two theorems on vertical bar A,delta vertical bar(k), k >= 1,0 <= delta < 1/k, summability factors for an infinite series by using quasi-power increasing sequences. We obtain sufficient conditions for Sigma ... -
Some l(p)-type new sequence spaces and their geometric properties
(Hindawi Publishing Corporation, 2009)We introduce an l(p)-type new sequence space and investigate its some topological properties including AK and AD properties. Besides, we examine some geometric properties of this space concerning Banach-Saks type p and ... -
(Lambda) over-bar-double sequence spaces of fuzzy real numbers defined by Orlicz function
(Univ Osijek, 2009-12)In this paper we define and study two concepts which arise from the notion of de la Vallee-Poussin means, namely: strongly double (lambda) over bar -convergence defined by Orlicz function and (lambda) over bar -statistical ... -
Necessary conditions for double summability factor theorem
(Univ Miskolc Inst Math., 2010)We obtain necessary conditions for the series Sigma Sigma c(mn), which is absolutely summable of order k by a doubly triangular matrix method A, to be such that Sigma Sigma c(mn)lambda(mn) is absolutely summable of order ... -
A note on generalized vertical bar a vertical bar(K)- summability factors for infinite series
(Springer International Publishing AG, 2010)A general theorem concerning the |A|(k)-summability factors of infinite series has been proved. -
On asymptotically (lambda, sigma)-statistical equivalent sequences of fuzzy numbers
(SpringerHindawi Publishing Corporation, 2010)The goal of this paper is to give the asymptotically (lambda, sigma)-statistical equivalent which is a natural combination of the definition for asymptotically equivalent, invariant mean and lambda-statistical convergence ... -
On some new sequence spaces in 2-normed spaces using ideal convergence and an orlicz function
(Springer, 2010)The purpose of this paper is to introduce certain new sequence spaces using ideal convergence and an Orlicz function in 2-normed spaces and examine some of their properties. -
A summability factor theorem for quasi-power-increasing sequences
(Springer, 2010)We establish a summability factor theorem for summability vertical bar A, delta vertical bar(k), where A is lower triangular matrix with nonnegative entries satisfying certain conditions. This paper is an extension of the ... -
A note on generalized absolute summability factors
(Univ Osijek, 2010-12)In this paper, a general theorem on vertical bar A, delta vertical bar k-summability factors of infinite series has been proved under weaker conditions. -
Some e-j generalized hausdorff matrices not of type m
(Hindawi Publishing Corporation, 2011)We show that there exists a regular E-J generalized Hausdorff matrix which has no zero elements on the main diagonal and which is not of type M and establish several other related theorems. -
Doublesequence transformations that guarantee a given rate of p-convergence
(Univ Nis, 2011-06)In this paper the following sequence space is presented. Let [t] be a positive double sequence and define the sequence space Omega '' (t) = {complex sequences x : x(k,l) = O(t(k,l))}. The set of geometrically dominated ...
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