Browsing Jaem 2021, Vol 11, No 3 by Title
Now showing items 120 of 30

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 ... 
Certain types of graphs in intervalvalued intuitionistic fuzzy setting
(Işık University Press, 2021)Intervalvalued 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, ... 
Cmsupermagic labeling of friendship graphs
(Işık University Press, 2021)The friendship graph Fᵐn is obtained by joining n copies of the cycle graph Cm with a common vertex. In this work, we investigate the Cmsupermagic labeling of friendship graphs. 
Common fixed point theorems under rational contractions using two mappings and six mappings and coupled fixed point theorem in bicomplex valued bmetric 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 ... 
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 ... 
Controlled multipliers with two operators in Hilbert C*modules
(Işık University Press, 2021)Improving and extending the notion of controlled frames, in this paper, we introduce controlled frames with two operators for Hilbert C*modules. This generalize controlled frames in Hilbert and Hilbert C*module. We show, ... 
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 ... 
Existence and uniqueness results for an initialboundary value problem of parabolic operatordifferential 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 initialboundary conditions is proved in a weight space. The association between ... 
Extending the notion of 3fold3pointsplitting from graphs to binary matroids
(Işık University Press, 2021)Slater defined rfoldnpointsplitting operation on graphs and proved that, if G is an nconnected graph and H is a graph obtained from G by an rfoldnpointsplitting, then H is nconnected. In this article we extend ... 
Fixed points in φordered partial quasimetric space
(Işık University Press, 2021)We obtain fixed points for an order preserving mapping in a preordered left pcomplete partial quasimetric space using a preorder induced by an appropriate function. In particular, we do not make use of any contraction condition. 
Fuzzy congruence on MΓ−groups
(Işık University Press, 2021)In this paper, we consider an algebriac structure MΓ− group, which is a generalization of both the concepts module over a nearring and a gamma nearring, introduced by Satyanarayana [12]. In this paper, we define a fuzzy ... 
A Galerkinlike scheme to determine curves of constant breadth in Euclidean 3space
(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 3space. For this purpose, we outline a ... 
Harmonic reciprocal status index and coindex of graphs
(Işık University Press, 2021)The reciprocal status of a vertex u is defined as the sum of reciprocal of the distances between u and all other vertices of a graph G. In this paper we have defined the harmonic reciprocal status index and coindex of a ... 
Hosoya polynomial of a multibridge 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 multibridge ... 
Impact of initial time difference on stability criteria of impulsive differential equations
(Işık University Press, 2021)In this paper, an impulsive differential system is investigated for the first time for several stability criteria relative to initial time difference. The investigations are carried out by perturbing Lyapunov functions and ... 
Kgfusion woven in Hilbert spaces
(Işık University Press, 2021)In this note, we study weaving Kgfusion frames in separable Hilbert spaces which motivated by a generalized of fusion frames. We present necessary and sufficient conditions for these woven and also construct them by a ... 
Method based on quasi variable mesh for solution of system of second order boundary value problems with mixed boundary conditions
(Işık University Press, 2021)A new numerical method with third order accuracy is presented for the solution of nonlinear two point boundary value problems(BVPs) with mixed boundary conditions using quasi variable mesh. In case of uniform mesh, method ... 
The method of fundamental solutions for the inverse timedependent perfusion coefficient problem
(Işık University Press, 2021)This paper deals with an inverse problem associated with the bioheat equation in living tissue in the human body. The inverse problem consists of the identification of timedependent perfusion coefficient when the exact ... 
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 ... 
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 ...