Güncel Gönderiler: Dergiler / Journals
Toplam kayıt 1237, listelenen: 741-760
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Fuzzy bipolar soft topological spaces
(Işık University Press, 2021)Topological structures on soft, fuzzy soft, bipolar soft sets and etc. Were studied by several researchers. In this paper, we define topological space on fuzzy bipolar soft sets and investigate the main results. We define ... -
Common fixed soft element results in soft complex valued b-metric spaces
(Işık University Press, 2021)In this paper, firstly, on the base of the soft complex numbers suggested by Das and Samanta, we introduce the concept of a soft complex valued b-metric space and investigate some of its properties. Also, we compare it to ... -
A new class of mixed monotone operators with concavity and applications to fractional differential equations
(Işık University Press, 2021)In this article, we investigate a class of mixed monotone operators with concavity on ordered Banach spaces. As applications, we utilize the main results obtained in this paper to study for solutions of fractional differential ... -
Associated functions of non-selfadjoint Sturm-Liouville operator with operator coefficient
(Işık University Press, 2021)Sturm-Liouville operator equation with selfadjoint operator coefficent has been studied in detail. In this paper, we consider the Sturm-Liouville operator equation with non-selfadjoint operator coefficent. Namely, we examine ... -
Olving tri-level linear programming problem by a novel hybrid algorithm
(Işık University Press, 2021)This paper presents a revised hybrid algorithm to solve a tri-level linear programming problem, a generalization of a bi-level one, involving three decision makers at the upper, middle, and lower levels. The decision-making ... -
Some new approaches on properties of u-cross gram matrix
(Işık University Press, 2021)The operator equation Uf = b can be transferred to matrix level by Mc = d, where M can be considered as a generalization of Gram matrix. This matrix obtained by the composition of the analysis and synthesis operators of ... -
Laguerre wavelet solution of Bratu and Duffing equations
(Işık University Press, 2021)The aim of this study is to solve the Bratu and Duffing equations by using the Laguerre wavelet method. The solution of these nonlinear equations is approximated by Laguerre wavelets which are defined by well known Laguerre ... -
Improvements on some inequalities of Hermite Hadamard inequalities for functions when a power of the absolute value of the second derivative h and P-convex
(Işık University Press, 2021)In this paper, firstly we obtain some improvements of Hermite-Hadamard integral inequalities via h and P-convex by using Hölder-İşcan inequality. Secondly new results are established. Thirdly, we determine some new ... -
Continuous K-g-fusion frames in Hilbert spaces
(Işık University Press, 2021)This paper aims at introducing the concept of c-K-g-fusion frames, which are generalizations of K-g-fusion frames, proving some new results on c-K-g-fusion frames in Hilbert spaces, defining duality of c-K-g-fusion frames ... -
Critical point approaches to second-order differential systems generated by impulses
(Işık University Press, 2021)Using variational methods and critical point theory, we establish multiplicity results of solutions for second-order differential systems generated by impulses. Indeed, employing two sorts of three critical points theorems, ... -
Some fractional estimates of upper bounds involving functions having exponential convexity property
(Işık University Press, 2021)The main objective of this article is to consider the class of exponentially convex functions. We derive a new integral identity involving Riemann-Liouville fractional integral. Utilizing this identity as an auxiliary ... -
Exact solution with dust and shell-crossings for LTB inhomogeneous cosmological models
(Işık University Press, 2021)We describe the solution of the Lemaitre-Tolman-Bondi (LTB) inhomogeneous cosmological models for a spherically symmetric with dust and an interaction term modeled as anisotropic pressure is also studied and a differential ... -
Generalization of non-commuting graph of a finite group
(Işık University Press, 2021)In this paper we define the generalized non-commuting graph ?(H,K,L) where H, K and L are three subgroups of a non-abelian group G. Take (H?K?L)\CH(K?L)?CK?L(H) as the vertices of the graph and two distinct vertices x and ... -
Extension of m-polynomial and degree based topological indices for nanotube
(Işık University Press, 2021)The M-polynomial of a graph G(V (G), E(G)) is defined as M(G; u, v) = ? i?j miju?v?, where mij denotes the number of edges xy ? E(G) such that {dx, dy} = {i, j}, where dx, dy denote degree of the vertex x and y in the graph ... -
Geodetic domination integrity in graphs
(Işık University Press, 2021)Reciprocal version of product degree distance of cactus graphs Let G be a simple graph. A subset S ? V (G) is a said to be a geodetic set if every vertex u /? S lies on a shortest path between two vertices from S. The ... -
Neural network modeling of convection heat transfer coefficient for the casson nanofluid
(Işık University Press, 2021)This paper presents applications of Artificial Neural Network (ANN) to develop a mathematical model of magnetohydrodynamic (MHD) flow and heat transfer in a Casson nanofluid. The model equations are solved numerically by ... -
Both a graph and its complement are self-centered with identical radius
(Işık University Press, 2021)We show that a graph and its complement are self-centered with identical radius r only when r = 2. Further, we provide a construction of such a graph for any given order at least eight. -
Vertex coloring edge weightings of some square graphs
(Işık University Press, 2021)A k-edge-weighting w of a graph G is an assignment of integer weight, w(e) ? {1, 2, . . . , k}, to each edge e. A k-edge-weighting w induces a vertex coloring c by defining c(u) = P u?e w(e) for every u ? V (G), where u ? ... -
Algorithmic complexity of isolate secure domination in graphs
(Işık University Press, 2021)A dominating set S is an Isolate Dominating Set (IDS) if the induced subgraph G[S] has at least one isolated vertex. In this paper, we initiate the study of new domination parameter called, isolate secure domination. An ... -
Reciprocal version of product degree distance of cactus graphs
(Işık University Press, 2021)The reciprocal version of product degree distance is a product degree weighted version of Harary index defined for a connected graph G as RDD*(G) = Sigma({x, y}subset of V(G) )(d(G)(x).d(G)(y))/d(G)(x,y), where d(G)(x) is ...