Recent Submissions

  • Topolojik Vektör Latisleri Üzerinde Tanımlı Operatörlerin Oluşturduğu Ailelerin Özelliklerinin İncelenmesi 

    YURTOĞLU, Ahsen Sena (Fen Bilimleri Enstitüsü, 2024)
    Recently, research on various classes of operators based on norm convergence and order convergence in Banach lattices has made significant progress. Similarly, the topological properties and vector lattice structures of ...
  • Güçlü İkili Lineer Olmayan Schrödinger Sistemi için Yapı Koruyan Sayısal Bir Yöntem 

    Örs, Rıdvan Fatih (Fen Bilimleri Enstitüsü, 2024)
    In this thesis, a new structure-preserving numerical method for strongly coupled nonlinear Schrödinger equation (SCNLS) is presented. It is shown that the proposed new method conserves the discrete mass and energy. Numerical ...
  • RİESZ UZAYLARI ÜZERİNDE TANIMLI BAZI ÖZEL OPERATÖRLER VE OPERATÖR YARIGRUPLARININ İNCELENMESİ 

    BAL, Öykü (Fen Bilimleri Enstitüsü, 2024)
    The study of operator classes in lattice theory holds great importance. The analysis of operators based on order convergence and norm convergence has made significant contributions to operator theory. Additionally, some ...
  • Çatılar Üzerindeki Bazı Topolojik Özellikler 

    Balıkçı, Can (Fen Bilimleri Enstitüsü, 2024)
    The aim of this thesis is to explore the concept of frame, which is a special kind of a lattice, and to examine their topological properties, such as separation axioms and compactness. The study consists of six chapters. ...
  • Modüllerin Baer-Kaplansky Sınıfları Üzerine Bir Çalışma 

    Başer, Zeynep (Fen Bilimleri Enstitüsü, 2024)
    If A and B are torsion groups whose EndZ(A) and EndZ(B) are isomorphic with Ψ, then A and B are isomorphic. Moreover, if A and B are isomorphic with ϕ, then Ψ(η) = ϕηϕ−1. This expression is known as “Baer-Kaplansky ...
  • Integrals of Motion in Curved Space-Time 

    Demir, Toygun Kutkar (Fen Bilimleri Enstitüsü, 2023-07-12)
    Integrals of motion are the quantities that remain constant during the motion of a point particle that allow to determine various important properties without solving the equations of motion. In this thesis, a systematic ...
  • Riesz Uzaylarında Netlerin Yakınsaklıkları Üzerine 

    Eryüksel, Ezgi Han (Fen Bilimleri Enstitüsü, 2023)
    Banach lattices can be equipped with many convergence structures such as order, relative regular, unbounded order, unbounded norm convergence, and absolutely un bounded weak convergence. While some of these convergences ...
  • f-Supplemented Lattices 

    Can, Elif (Fen Bilimleri Enstitüsü, 2023)
    The main purpose of this thesis is to generalize some known results about F-supplemented modules to lattices. Let L be a complete modular lattice with smallest element 0 and greatest element 1. A homomorphic image of an ...
  • Theory of Orthogonally Additive Operators 

    Bolat, Sezer (Fen Bilimleri Enstitüsü, 2023)
    An orthogonally additive operator is a map that satisfies the additivity property under the disjointness condition. This thesis focuses on the theory of orthogonally additive operators. The concept of fragments plays a ...
  • Conditional Direct Summand Properties Via Relative Injectivity 

    Muslu, Burak (Fen Bilimleri Enstitüsü, 2023)
    In this study, CS-modules and some of their generalizations, conditional direct summands feature modules will be handled with the help of relative injectivity and the results in this direction will be compiled and the ...
  • CONDITIONAL DIRECT SUMMAND PROPERTIES VIA RELATIVE INJECTIVITY 

    MUSLU, Burak (Fen Bilimleri Enstitüsü, 2023)
    In this study, CS-modules and some of their generalizations, conditional direct summands feature modules will be handled with the help of relative injectivity and the results in this direction will be compiled and the ...
  • Topolojik Oyunlarda Örtüsel Özellikler 

    Saraf, Haidar Dh Jafar (Fen Bilimleri Enstitüsü, 2023)
    This thesis consists of five chapters. The first chapter is devoted to game theory and the historical development of topological games, which is the subject of the thesis. In the second part, some definitions and theorems ...
  • LES-C Modeli İle Akışkan-Akışkan Etkileşimi Problemlerinde Modelleme Hatasının Azaltılması 

    Önal, Eda (Fen Bilimleri Enstitüsü, 2023)
    In this study, a numerical method is proposed for a fluid-fluid interaction problem where two flows are coupled through a nonlinear joint interface and one or both of these flows are at high Reynolds numbers. It is known ...
  • Helson Beurling Teoremi ve Uygulamaları 

    Taş, Gizem (Fen Bilimleri Enstitüsü, 2018)
    In thesis we treat the celebrated Helson-Beurling Theorem which charac- terizes the closed subspaces of L2 which are invariant under the shift operator. We also treat the characterization of invariant subspaces of the ...
  • Pure Direct Injectıve Objects in Grothendıeck Categorıes 

    Yiğit, Aliye (Fen Bilimleri Enstitüsü, 2022)
    We study generalizations of the concept of direct-injectivity (respectively pure-direct-injectivity) from module categories to abelian categories (respectively Grothendieck categories). We examine for which categories or ...
  • Pure Direct Projective Objects in Grothendieck Categories 

    Aydoğdu, Batuhan (Fen Bilimleri Enstitüsü, 2022)
    We study generalizations of the concept of direct-projectivity (respectively pure-direct-projectivity) from module categories to abelian categories (respectively Grothendieck categories). We examine for which categories ...
  • q-Hiperkonveks T0-Metrikimsi Uzaylar 

    Devecio, Enes (Fen Bilimleri Enstitüsü, 2022-06)
    In this thesis, firstly the concept of hyperconvexity in metric spaces is given and then the q-hyperconvexity theory, which is the generalization of the concept of hyperconvexity to T0-quasi-metric spaces, is studied. In ...
  • Endomorfizma Halkası Düzenli Olan Modüller Üzerine Bir Çalışma 

    Arslan, Hümeyra (Fen Bilimleri Enstitüsü, 2022-06-22)
    In the first part of our thesis, a brief information about the studies on regular rings is given. In the second chapter, the general properties of regular and unit regular rings, and some basic concepts that we will use ...
  • Contact Structures and Legendrian Links 

    Ay, Sercan (Fen Bilimleri Enstitüsü, 2022)
    A contact structure on an oriented three-manifold is a maximally non-integrable 2-plane field distributed all over the three-manifold. Legendrian knots and Legendrian links in contact three-manifolds give important ...
  • 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 ...

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