• Adjoint Grubu Nilpotent olan Artinian Halkalar 

      Başaran, Duygu Gülşah (Fen Bilimleri Enstitüsü, 2022)
      This study consists of four main parts. In the first section of the study , informations about historical development and content of the thesis are given. In the second section, some definitions and theorems related to ...
    • Ağırlıklı Projektif Uzaylardaki Parametrik Kodlar 

      Çakıroğlu, Yağmur (Fen Bilimleri Enstitüsü, 2019)
      In this thesis we study parametric codes defined by any subset of a weighted projective space which is parameterized by monomials. The methods and notions used to study these codes are presented in detail. This work ...
    • Algebraic Structure of Generalized Splines 

      Sarıoğlan, Samet (Fen Bilimleri Enstitüsü, 2019)
      Given a fnite graph G=(V,E), a commutative ring R with unity and an edge labeling function α that assigns the ideals of R to the edges of G, the pair (G,α) is called an edge labeled graph. A vertex labeling F ⊂ R |V | is ...
    • Almost P-Ary Perfect Sequences And Their Applications To Cryptography 

      Özden, Büşra (Fen Bilimleri Enstitüsü, 2019)
      In this thesis we study almost p-ary sequences and their autocorrelation coefficients. We first study the number L of distinct out-of-phase autocorrelation coefficients for an almost p-ary sequence of period n + s with s ...
    • Almost-Perfect Modules 

      Aydogdu, Pınar; Özcan, A. Ciğdem (Cambridge Univ Press, 2010)
      We call a module M almost perfect if every M-generated flat module is M-projective. Any perfect module is almost perfect. We characterize almost-perfect modules and investigate some of their properties. It is proved that ...
    • Alternative Digital Signature Schemes In Blockchain 

      Yavuzyiğit , Fahrettin (Fen Bilimleri Enstitüsü, 2019)
      This thesis is a study on authentication methods of Bitcoin ecosystem which is an application of blockchain. Firstly, the facilities given by Bitcoin along with its security requirements are examined from a perspective ...
    • An Alternative Perspective on Injectivity of Modules 

      Aydogdu, Pınar; Lopez-Permouth, Sergio R. (Academic Press Inc Elsevier Science, 2011)
      Given modules M and N, M is said to be N-subinjective if for every extension K of N and every homomorphism : N M there exists a homomorphism phi : K -> M such that phi vertical bar N = phi. For a module M, the subinjectivity ...
    • An Analytic Shooting-Like Approach For The Solution of Nonlinear Boundary Value Problems 

      Türkyılmazoglu, M. (Pergamon-Elsevier Science Ltd, 2011)
      In this paper a novel approach is presented for an analytic approximate solution of nonlinear differential equations with boundary conditions. By converting the nonlinear problem into an initial value form, a shooting-like ...
    • An Asymptotic Investigation Into The Stabilization Effect Of Suction In The Rotating-Disk Boundary Layer Flow 

      Türkyılmazoğlu, M. (Pergamon-Elsevier Science Ltd, 2007)
      The suction effects in the three-dimensional boundary layer flow due to a rotating disk are analyzed from the linear stability point of view making use of the asymptotic structure of the suction mean velocity profiles of ...
    • An Extension of the Incomplete Beta Function For Negative Integers 

      Özcağ, Emin; Ege, İnci; Gürçay, Haşmet (Academic Press Inc Elsevier Science, 2008)
      The incomplete beta function B-x(a, b) is defined for a, b > 0 and 0 < x < 1. Its definition can be extended, by regularization, to negative non-integer values of a and b. In this paper we define the incomplete beta function ...
    • An Optimal Variational Iteration Method 

      Türkyılmazoğlu, M. (Pergamon-Elsevier Science Ltd, 2011)
      The variational iteration method is studied in the present work. The classical variational iteration method is improved and extended by introducing a new concept of a convergence accelerating parameter. A rigorous approach ...
    • An Unconventional Finite Difference Scheme For Modified Korteweg-De Vries Equation 

      Koroglu, Canan; Aydin, Ayhan (Hindawi Ltd, 2017)
      A numerical solution of the modified Korteweg-de Vries (MKdV) equation is presented by using a nonstandard finite difference (NSFD) scheme with theta method which includes the implicit Euler and a Crank-Nicolson type ...
    • Analytic Approximate Solutions of Parameterized Unperturbed And Singularly Perturbed Boundary Value Problems 

      Türkyılmazoglu, M. (Elsevier Science Inc, 2011)
      A novel approach is presented in this paper for approximate solution of parameterized unperturbed and singularly perturbed two-point boundary value problems. The problem is first separated into a simultaneous system regarding ...
    • Antimicrobial Activities of Some Bacillus Spp. Strains Isolated From The Soil 

      Yılmaz, M; Soran, H; Beyatli, Y (Elsevier Gmbh, Urban & Fischer Verlag, 2006)
      In this study a total of 29 Bacillus species isolated from the soil was analyzed using the agar diffusion method in terms of their general, inhibition effects to some test bacteria. It has been found that isolates are ...
    • Asimetrik Topolojik Uzaylar 

      Karataş, Esra (Fen Bilimleri Enstitüsü, 2013)
      The aim of this thesis is to make a compilation about asymmetric topological spaces and dual spaces which are defined in order to provide asymmetric spaces to have better topological properties. This work consists of five ...
    • Asymptotic Behaviour of a Class of Nonlinear Functional Differential Equations of Third Order 

      Tiryaki, A; Yaman, S (Pergamon-Elsevier Science Ltd, 2001)
      This paper deals with nonoscillatory behaviour of solutions of third-order nonlinear functional differential equations of the form y''' + p(t)y' + q(t)F(y(g(t))) = 0. It has been shown that under certain conditions on ...
    • Asymptotic Calculation of Inviscidly Absolutely Unstable Modes of the Compressible Boundary Layer on a Rotating Disk 

      Turkyilmazoglu, M (Pergamon-Elsevier Science Ltd, 2006)
      In this work a long-wavelength asymptotic approach is used to analyze the region of absolute instability in the compressible rotating disk boundary layer flow. Theoretically determined values of branch points for the ...
    • Bazı Seçme Özelliklerinin Zayıf ve Göreceli Formları 

      Eysen , Ali Emre (Fen Bilimleri Enstitüsü, 2019-06-24)
      The aim of this thesis is to introduce the weak forms of some classical selection properties in bitopological spaces, investigate the relationships between them and characterize these properties with topological games. ...
    • Bazı Singular Genelleştirilmiş Fonksiyonların Neutrix Kompozisyonları 

      Aktürk, Inci (Fen Bilimleri Enstitüsü, 2014)
      In this thesis by using the neutrix calculus, the neutrix compositions of some special generalized functions are defined.The thesis consists of five chapters.The first chapter is an introduction to the thesis. In the second ...
    • Blow-Up of Solutions to Quasilinear Parabolic Equations 

      Erdem, D (Pergamon-Elsevier Science Ltd, 1999)
      Sufficient conditions for global nonexistence (blow up) of solutions of the initial-boundary value problem for a class of second-order quasilinear parabolic equations: [GRAPHICS] are established. (C) 1999 Elsevier Science ...