Ara
Toplam kayıt 41, listelenen: 21-30
Geodetic convex boundary curvatures of the communities in stock market networks
(Elsevier Science Bv, 2018)
We analyze the daily returns of stock market indices of NASDAQ and S&P 500 over the period of 2004-2015. We build network models by using a threshold method that captures strong relations amongst the agents. We also subdivide ...
A numerical approach for solving generalized Abel-type nonlinear differential equations
(Elsevier Science Inc, 2015)
In this paper, a numerical power series algorithm which is based on the improved Taylor matrix method is introduced for the approximate solution of Abel-type differential equations and also, Riccati differential equations. ...
A threshold method for financial networks and geometric scattering of agents
(Taylor and Francis Ltd., 2019)
Various filtering methods are applied to financial networks to overcome dimensionality problem of financial networks. In this study, we present a new threshold method based on Triangular Maximally Filtered Graph (TMFG) ...
Soft sets and soft rings
(Pergamon-Elsevier Science Ltd, 2010)
Molodtsov (1999) introduced the concept of soft sets in [1]. Then, Maji et al. (2003) defined some operations on soft sets in [2]. Aktas and Cagman (2007) defined the notion of soft groups in [3]. Finally, soft semirings ...
Topological structure of fuzzy soft sets
(Pergamon-Elsevier Science Ltd, 2011)
In this paper, the concept of fuzzy soft topology is introduced and some of its structural properties such as neighborhood of a fuzzy soft set, interior fuzzy soft set, fuzzy soft basis, fuzzy soft subspace topology are ...
A collocation method using Hermite polynomials for approximate solution of pantograph equations
(Pergamon-Elsevier Science Ltd, 2011)
In this paper, a numerical method based on polynomial approximation, using Hermite polynomial basis, to obtain the approximate solution of generalized pantograph equations with variable coefficients is presented. The ...
A Chebyshev Polynomial Approach for High-Order Linear Fredholm-Volterra Integro-Differential Equations
(Gazi Univ, 2012)
The purpose of this study is to present a method for solving high order linear Fredholm-Volterra integrodifferential equations in terms of Chebyshev polynomials under the mixed conditions. The method is based on the ...
A Bessel collocation method for numerical solution of generalized pantograph equations
(Wiley, 2012)
This article is concerned with a generalization of a functional differential equation known as the pantograph equation which contains a linear functional argument. In this article, we introduce a collocation method based ...
Numerical solution of the Bagley-Torvik equation by the Bessel collocation method
(Wiley-Blackwell, 2013)
In this article, a numerical technique is presented for the approximate solution of the BagleyTorvik equation, which is a class of fractional differential equations. The basic idea of this method is to obtain the approximate ...
Numerical solutions of systems of linear Fredholm integro-differential equations with Bessel polynomial bases
(Pergamon-Elsevier Science Ltd, 2011)
In this paper, a numerical matrix method based on collocation points is presented for the approximate solution of the systems of high-order linear Fredholm integro-differential equations with variable coefficients under ...