Yayın tarihi için JAEM 2021, Vol 11, No 4 listeleme
Toplam kayıt 31, listelenen: 1-20
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Preservation of the invariants of Lotka-Volterra equations by iterated deferred correction methods
(Işık University Press, 2021)In this paper we apply Kahan’s nonstandard discretization to three dimensional Lotka-Volterra equations in bi-Hamiltonian form. The periodicity of the solutions and all polynomial and non-polynomial invariants are well ... -
Effects of sinusoidal and non-sinusoidal temperature modulation in a triple diffusive convection
(Işık University Press, 2021)The Triple Diffusive convection with time-dependent sinusoidal (cosine) and non-sinusoidal (square and triangular) temperature modulation is studied using linear and non-linear analysis. The expression for Rayleigh number ... -
An efficient method for a class of integro-differential equations with a weakly singular kernel
(Işık University Press, 2021)In this work, a class of volterra integro-differential equation with a weakly singular kernel is discussed. The shifted Legendre Tau method is introduced for finding the unknown function. The proposed method is based on ... -
Regular filters of commutative BE-algebras
(Işık University Press, 2021)The concept of regular filters is introduced in commutative BE-algebras. The class of all regular filters of a commutative BE-algebra is characterized in terms of dual annihilators. Some equivalent conditions are derived ... -
Application of Laplace transform to cryptography using linear combination of functions
(Işık University Press, 2021)The strength of nations, organizations such as military, intelligence agency, hinges primarily on its ability to keep sensitive information secure from intruders. Today, cryptography is used to protect mobile communication, ... -
Fixed point theorems for multivalued wordowski type contractions in b-metric spaces with an application to integral inclusions
(Işık University Press, 2021)The aim of this work is to give some fixed point results for set valued Fcontractions combined with the concept of αs-admissible in b-metric spaces. some consequences are established on b-metric spaces endowed with a partial ... -
Some operators on Pythagorean fuzzy soft matrices
(Işık University Press, 2021)In this paper, we define modal operators of Pythagorean fuzzy soft matrices and establish their algebraic properties. Also, we define implication operators on Pythagorean fuzzy soft matrices and discuss some properties on ... -
Generalization of Randić energy and sum-connectivity energy
(Işık University Press, 2021)In this paper we define the generalization of Randić energy and sum connectivity energy of a graph. Then we obtain upper and lower bounds for E(Ars), generalization of Randić energy and sum connectivity energy of a graph. ... -
Remarks on the multiplicative operations of intuitionistic fuzzy matrices
(Işık University Press, 2021)In this paper, using the definition of the multiplicative operations X₁ and X₂ of intuitionistic fuzzy matrices, we construct nA and Aⁿ of an intuitionistic fuzzy matrix A and establish their algebraic properties. Also, ... -
Solution of partially singularly perturbed system of initial and boundary value problems using non-uniform Haar Wavelet
(Işık University Press, 2021)An efficient non-uniform Haar wavelet method is proposed for the numerical solution of system of first order linear partially singularly perturbed initial value problem on piecewise uniform Shishkin mesh and ρ-mesh. Further, ... -
Group methods for second order delay differentşal equations
(Işık University Press, 2021)In this research paper, we obtain the equivalent symmetries of non-homogeneous second order delay differential equations with variable coefficients. Group methods have been used to do this. The approach followed by us to ... -
On a fractional integral operator containing ψ-generalized Mittag Leffler function in its kernel and properties
(Işık University Press, 2021)This paper is devoted to the study of ψ-generalized Mittag-Leffler function associated with ψ-generalized beta function. We also obtain integral representations and other useful properties of it for example, Mellin transforms, ... -
Approximation by Lupaş-Stancu operators based on q-integer
(Işık University Press, 2021)The purpose of this paper is to introduce a Stancu type generalization of the Lupa¸s operators based on the q-integers. We investigate the rate of convergence of operators by mean of modulus of continuity and functions ... -
Codes over the multiplicative hyperrings
(Işık University Press, 2021)Codes over hyperstructures have more codewords than codes over rings(or fields). It implies that they have higher rate than codes over rings (or fields). So, in this paper the codes over multiplicative hyperrings are ... -
Certain subclass of univalent functions associated with M–series based on q–derivative
(Işık University Press, 2021)By applying the q–derivative, M–series, convolution an subordination structures, we introduce a new subclass of univalent functions. For this subclass of functions, we obtain coefficient inequality, convexity and convolution ... -
FCSTP with possibility and expected value approaches in hybrid uncertain environments
(Işık University Press, 2021)The objective of this investigation is to formulate a fixed charge (FC) solid transportation problem (STP) under a hybrid uncertain environment where both fuzziness and roughness coexist. A fuzzy rough STP model is developed ... -
Analytic investigation of steady thin film flow of non-newtonian fluid on vertical cylinder for lifting and drainage problems
(Işık University Press, 2021)The work addressed in this paper is the analytic investigation of the steady thin film flow of non-Newtonian Johnson-Segalman fluid on vertical cylinder for lifting and drainage problems. The arised equation in the ... -
Computing µ-values and pseudo-spectra for Airy Operators
(Işık University Press, 2021)Stability analysis play a vital role to design a linear feedback system in system theory. The stability of a feedback system is the direct measure of the roots of characteristic equation of transfer functions. The main ... -
On I− convergent triple sequence spaces defined by a compact operator and an Orlicz function
(Işık University Press, 2021)In this article, we introduce I− convergent triple sequence spaces 3SI (M) , 3SI0 (M), 3S I∞(M) with the help of a compact operator and an Orlicz function. We study some of their algebraic and topological properties like ...