Başlık için listeleme
Toplam kayıt 2260, listelenen: 743-762
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Existence and uniqueness results for fuzzy boundary value problems of nonlinear differential equations involving Atangana-Baleanu fractional derivatives
(Işık University Press, 2024-04)This manuscript is devoted to the investigation of the existence and uniqueness results for fuzzy fractional boundary value problems of some nonlinear differential equations involving fuzzy Atangana-Baleanu fractional ... -
Existence of a positive solution for superlinear Laplacian equation via mountain pass theorem
(Işık University Press, 2020-04-07)In this paper, we are going to show a nonlinear laplacian equation with the Dirichlet boundary value as follow has a positive solution: ( −∆u + V (x)u = g(x, u) x ∈ Ω u = 0 x ∈ ∂Ω where, ∆u = div(∇u) is the laplacian ... -
Existence of fixed point and best point of proximity for multifunctional non self mappings in a partial metric space
(Işık University Press, 2021)In this paper we give some theorems of existence of best points of proximity for a multifunctional non-self-mapping in a partial metric space and some approximations on the sets of the best points of proximity. Other results ... -
Existence of nonoscillatory solutions for second-order nonlinear neutral differential equations with variable delays
(Işık University Press, 2019)In this work, an attempt is made to discuss the existence of nonoscillatory solutions of second order nonlinear neutral differential equations with variable delays. The main tools are Lebesgue’s dominated convergence theorem ... -
Existence of nonoscillatory solutions of second-order neutral differential equations
(Işık University Press, 2019)We obtain some sufficient conditions for the existence of nonoscillatory solutions of nonlinear second order neutral differential equation with forcing term. Our results improve and extend some existing results. Examples ... -
Existence of positive solutions for a coupled system of higher order fractional boundary value problems
(Işık University Press, 2016)The aim of this paper is to establish the existence of at least one positive solution for a coupled system of higher order two-point fractional order boundary value problems under suitable conditions. The approach is based ... -
Existence of symmetric positive solutions for lidstone type integral boundary value problems
(Işık University Press, 2018)This paper establishes the existence of even number of symmetric positive solutions for the even order differential equation (?1)n u (2n) (t) = f(t, u(t)), t ? (0, 1), satisfying Lidstone type integral boundary conditions ... -
Existence of three solutions for impulsive fractional differential systems through variational methods
(Işık University Press, 2019)This paper is devoted to the study of the multiplicity results of existence of solutions for a class of impulsive fractional differential systems. Indeed, we will use variational methods for smooth functionals, defined on ... -
Existence, uniqueness and stability results for fractional nonlinear Volterra-Fredholm integro-differential equations
(Işık University Press, 2023-04)In this paper, we establish some new conditions for the existence and uniqueness of solutions for a class of nonlinear Caputo fractional Volterra-Fredholm integrodifferential equations with integral boundary conditions. ... -
Exponential domination of tree related graphs
(Işık University Press, 2019)The well-known concept of domination in graphs is a good tool for analyzing situations that can be modeled by networks. Although a vertex in the graph can exert influence on, or dominate, all vertices in its immediate ... -
Exponential domination of tree related graphs
(Işık University Press, 2019)The well-known concept of domination in graphs is a good tool for analyzing situations that can be modeled by networks. Although a vertex in the graph can exert influence on, or dominate, all vertices in its immediate ... -
Exponential fraction index of certain graphs
(Işık University Press, 2022)Topological indices play a great role in Mathematical chemistry. Many graph theorists as well as chemists attracted towards these molecular descriptors. The aim of this paper is to introduce and investigate the Exponential ... -
Extended B-spline collocation method for KDV-Burgers equation
(Işık University Press, 2019)The extended form of the classical polynomial cubic B-spline function is used to set up a collocation method for some initial boundary value problems derived for the Korteweg-de Vries-Burgers equation. Having nonexistence ... -
Extending the applicability of a fourth-order method under Lipschitz continuous derivative in Banach spaces
(Işık University Press, 2022)We extend the applicability of a fourth-order convergent nonlinear system solver by providing its local convergence analysis under Lipschitz continuous Fréchet derivative in Banach spaces. Our analysis only uses the ... -
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 ... -
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 ... -
An extension theorem on degree of approximation of fourier series by (E, q)B−mean
(Işık University Press, 2021)Now-a-days, approximation of functions have great importance in the field of science and engineering because of its wider applicability. It is observed that the determination of trigonometric approximation of functions in ... -
Extensions for certain subordination relations
(Işık University Press, 2014)For some complex number ? which has a positive real part, a certain subordination relation concerned with the Bernardi integral operator I? was proven by D. J. Hallenbeck and St. Ruscheweyh (Proc. Amer. Math. Soc. 52(1975), ... -
Extensions of constant curvature
(Işık University Press, 2016-05-06)In this paper, we discuss some examples of two dimensional spaces of constant curvature and their Riemannian extensions. -
Extensions of Kannan's fixed point results
(Işık University Press, 2015)In this article, we essentially proved some fixed point results for contractive maps type in quasi-pseudometric spaces. The presented theorems are formulated in an asymmetric setting and therefore generalize some existing ...