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 Subjects -> MATHEMATICS (Total: 879 journals)     - APPLIED MATHEMATICS (71 journals)    - GEOMETRY AND TOPOLOGY (19 journals)    - MATHEMATICS (651 journals)    - MATHEMATICS (GENERAL) (42 journals)    - NUMERICAL ANALYSIS (19 journals)    - PROBABILITIES AND MATH STATISTICS (77 journals) MATHEMATICS (651 journals)                  1 2 3 4 | Last

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 Facta Universitatis, Series : Mathematics and Informatics   [0 followers]  Follow       Open Access journal    ISSN (Print) 0352-9665 - ISSN (Online) 2406-047X    Published by U of Niš  [11 journals]
• Sufficient Conditions for Nonuniform Wavelet Frames on Local Fields

• Authors: Firdous A Shah
Abstract: The main objective of this paper is to establish a set of sufficient conditions
for nonuniform wavelet frames on local fields of positive characteristic. The conditions proposed are stated in terms of the Fourier transforms of the wavelet system’s generating functions.
PubDate: 2017-06-30
Issue No: Vol. 32, No. 2 (2017)

• δβ-I APPROXIMATION SPACES

• Authors: A. E. Radwan, Rodyna A. Hosny, A. M. Abd El-latif
Pages: 163 - 179
Abstract: In this paper, we generalize rough set theory by introducing concepts of  δβ-I lower and δβ-I -upper approximation for any ideal  I on X which depends on the concept δβ-I -open sets. Some of their basic properties with the help of examples are investigated and the interrelation between them are obtained. Also, the connections between the rough approximations de_ned in [2] and our new approximations are studied.
PubDate: 2017-03-27
Issue No: Vol. 32, No. 2 (2017)

• ON THE CHARACTERIZATION OF TASKS MODELED BY INTERVAL DESIGN STRUCTURE
MATRIX ON DOMAIN-DRIVEN DESIGN SOFTWARE DEVELOPMENT

• Authors: Ivan Petković, Petar Rajković, Aleksandar Milenković
Pages: 181 - 193
Abstract: Development and design of new products of various kinds often contain a very complex set of relationships among many coupled tasks. Ranking, controlling and redesigning the features of these tasks can be usefully performed by a suitable model based on the design structure matrix in an iteration procedure. The proposed interval approach of design iteration controls and predicts the convergence speed of iteration work on tasks within a project. Interval method is based on Perron-Frobenius theorem and interval linear algebra where intervals and interval matrices are employed instead of real numbers and real matrices. In this way, a more relaxed quantitative estimation of tasks is achieved and the presence of undetermined quantities is allowed to a certain extent. The presented model is demonstrated in the example of simplified domain-driven design process, an approach to software development.
PubDate: 2017-03-27
Issue No: Vol. 32, No. 2 (2017)

• APPROXIMATION THEOREMS FOR LIMIT $(p,q)-$BERNSTEIN-DURRMEYER OPERATOR

• Authors: Zoltan Finta, Vijay Gupta
Pages: 195 - 207
Abstract: In the present paper, using the method developed in \cite{Finta1}, we prove the existence of the limit operator of the slight modification of the sequence of $(p,q)$-Bernstein-Durrmeyer operators introduced recently in \cite{Gupta1}. We also establish the rate of convergence of this limit operator.
PubDate: 2017-03-27
Issue No: Vol. 32, No. 2 (2017)

• ON COINCIDENCE POINT THEOREM FOR NEW CONTRACTIVE CONDITION WITH
APPLICATION

• Authors: Bhavana Deshpande, Amrish Handa
Pages: 209 - 229
Abstract: We establish coincidence point theorem for g-non-decreasing mappings satisfying new contractive condition on partially ordered metric spaces. With the help of obtain result, we show the formation of the coupled coincidence point theorem for generalized compatible pair of mappings F, G:X²→X. Furthermore, an example and an application to integral equation are also given to show the usefulness of obtained results. Our results generalize, modify, improve and sharpen several well-known results.
PubDate: 2017-03-27
Issue No: Vol. 32, No. 2 (2017)

• SOME FIXED POINT THEOREMS FOR GENERALIZED $\alpha$-GERAGHTY CONTRACTION
TYPE MAPPINGS IN $B$-METRIC~SPACES AND SOME APPLICATIONS TO THE NONLINEAR
INTEGRAL EQUATION

• Authors: Nguyen Trung Hieu, Le Thi Chac
Pages: 231 - 253
Abstract: The purpose of this paper is to introduce the notion of a generalized $\alpha$-Geraghty contraction type mapping in $b$-metric~spaces and state the existence and uniqueness of a fixed point for this mapping. These results are generalizations of certain the main results in [D.~\DJ uki\'{c}, Z.~Kadelburg, and S.~Radenovi\'{c}, \emph{Fixed points of Geraghty-type mappings in
various generalized metric spaces}, Abstr. Appl. Anal. \textbf{2011} (2011), 13 pages] and [O.~Popescu, \emph{ Some new fixed point theorems for $\alpha$-Geraghty contraction type maps in metric spaces}, Fixed Point Theory Appl. \textbf{2014:190} (2014), 1 -- 12]. Some examples are given to illustrate the obtained results and to show that these results are proper extensions of the existing ones. Then we apply the obtained theorem to study the existence of solutions to the nonlinear integral equation.
PubDate: 2017-03-27
Issue No: Vol. 32, No. 2 (2017)

• Subordination Conditions for a Class of Non-Bazilevivc Type Defined by
using Fractional q-calculus Operators

• Authors: S. Abelman, K. A. Selvakumaran, M. M. Rashidi, Sunil Dutt Purohit
Pages: 253 - 265
Abstract: In this article, we introduce and investigate a new class of
non-Bazileviv c functions with respect to k-symmetric points
defined by using fractional q-calculus operators and
q-differentiation. Several interesting subordination results are
derived for the functions belonging to this class in the open unit
disc. Furthermore, we point out some new and known consequences of our main result.
PubDate: 2017-03-27
Issue No: Vol. 32, No. 1 (2017)

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