Güncel Gönderiler: Dergiler / Journals
Toplam kayıt 1362, listelenen: 801-820
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Certain types of graphs in interval-valued intuitionistic fuzzy setting
(Işık University Press, 2021)Interval-valued intuitionistic fuzzy graph (IVIFG) as a generalization of intuitionistic fuzzy graph (IFG) increases its elasticity drastically. In this paper, some important types of IVIFGs such as regular, irregular, ... -
Common fixed point theorems under rational contractions using two mappings and six mappings and coupled fixed point theorem in bicomplex valued b-metric space
(Işık University Press, 2021)During the past decades, enormous works by different researchers have been carried out in fixed point theory on metric spaces. In this paper, we prove some common fixed point theorems in bicomplex valued metric space for ... -
The Re-nnd solutions of the matrix equation AxB = C with reference to indefinite inner product
(Işık University Press, 2021)In this paper, we first consider the matrix equation AXA[?] = C , where A ? Cn×m, C ? Cn×n and establish necessary and sufficient conditions for the existence of Re-nnd solutions. Further, we determine the necessary and ... -
Third kind Hankel determinant for multivalent bounded turning functions of order alpha
(Işık University Press, 2021)The objective of this paper is to obtain an upper bound of the third order Hankel determinant for the class of multivalent bounded turning functions of order ? (0 ? ? < 1). -
A comparative study of numerical solution of pantograph equations using various wavelets techniques
(Işık University Press, 2021)The objective of the present article is to discuss a numerical method based on wavelets for finding the solution of pantograph differential equations with proportional delays. First, the pantograph differential equation ... -
Minimal restrained monophonic sets in graphs
(Işık University Press, 2021)For a connected graph G = (V, E) of order at least two, a restrained monophonic set S of a graph G is a monophonic set such that either S = V or the subgraph induced by V ?S has no isolated vertices. The minimum cardinality ... -
An approximation technique for first Painlevé equation
(Işık University Press, 2021)In this study, we introduce a new approximative algorithm to get numerical solutions of the nonlinear first Painlevé equation. Indeed, to obtain an approximate solution, a combination of exponential matrix method based on ... -
Extending the notion of 3-fold-3-point-splitting from graphs to binary matroids
(Işık University Press, 2021)Slater defined r-fold-n-point-splitting operation on graphs and proved that, if G is an n-connected graph and H is a graph obtained from G by an r-fold-n-pointsplitting, then H is n-connected. In this article we extend ... -
The method of fundamental solutions for the inverse time-dependent perfusion coefficient problem
(Işık University Press, 2021)This paper deals with an inverse problem associated with the bio-heat equation in living tissue in the human body. The inverse problem consists of the identification of time-dependent perfusion coefficient when the exact ... -
Hosoya polynomial of a multi-bridge graph
(Işık University Press, 2021)Explicit expressions of the Hosoya polynomials of some classes of graphs are known. In this paper we find an explicit expression for the Hosoya polynomial of the multibridge graph. Finally we give some examples of multi-bridge ... -
Convergency rate of mean integrated square error in density estimation based on Hermite polynomials
(Işık University Press, 2021)The estimate of a probability density using a sequence X1, X2, ..., XN of independent and identically distributed (i.i.d) random variables with common unknown density function is studied by means of Hermite functions. We ... -
On the local convergence of Weerakoon's method under Hölder continuity condition in Banach spaces
(Işık University Press, 2021)In this manuscript, the study of local convergence analysis for the cubically convergent Weerakoon’s method using Hölder continuity condition is presented to solve nonlinear equations in Banach spaces. Hölder continuity ... -
Székely, Clark & Entringer’s and Talenti’s inequalities for Sugeno integral
(Işık University Press, 2021)The purpose of this paper is to investigate the Székely, Clark & Entringer’s and Talenti’s inequalities for Sugeno integral. At the first, by an example, we show that Székely, Clark & Entringer’s inequality is not valid ... -
On oscillatory second order nonlinear impulsive delay dynamic equations on time scales
(Işık University Press, 2021)In this study, we have found some sufficient conditions for the oscillation of a class of second order impulsive delay dynamic equations on time scale by using impulsive inequality and Riccati transformation technique. ... -
A novel finite difference scheme for time fractional diffusion-wave equation with singular kernel
(Işık University Press, 2021)In this paper, we suggest a novel numerical approximation of the CaputoFabrizio fractional derivative of order ? (1 < ? < 2). Our novel discretization is found by using discret fractional derivative at t = tk with new ... -
A Galerkin-like scheme to determine curves of constant breadth in Euclidean 3-space
(Işık University Press, 2021)The main focus of this study is to obtain the approximate solutions of a first order linear differential equation system characterizing curves of constant breadth in Euclidean 3-space. For this purpose, we outline a ... -
On the metric charactrization for well-posedness of k-split hemivariational-like inequalities
(Işık University Press, 2021)In this paper, we extend the concept of well-posedness for a class of k-split hemivariational like inequalities and characterize some conditions for the well-posedness of it. Then we show that Tykhonov well-posedness for ... -
m-Polar neutrosophic graphs
(Işık University Press, 2021)The concept of m-Polar antipodal single valued neutrosophic graph (m-PASVNG), eccentric m-PSVNG, self centered m-PSVNG and self median m-PSVNG of the given m-PSVNG are introduced here. We also investigate different types ... -
Existence and uniqueness results for an initial-boundary value problem of parabolic operator-differential equations in a weight space
(Işık University Press, 2021)In this article, through the coefficients of the second order parabolic operatordifferential equation, the regular solvability problem with initial-boundary conditions is proved in a weight space. The association between ... -
A numerical treatment of block nuclear magnetic resonance flow equation
(Işık University Press, 2021)The time-dependent Bloch nuclear magnetic resonance flow equation in one dimensional space is investigated numerically. To investigate some physiological and biological properties of living tissues NMR plays pivotal role. ...
