• 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 ...
    • İDEAL VE MODÜL İNDİRGEMELERİ 

      AKIN, MERVE (Fen Bilimleri Enstitüsü, 2017)
      In Commutative Algebra, there have been numerous significant contributions for understanding growth of ideals. Research in this direction is mostly based on the concept of Hilbert-Samuel polynomials. In fact, given an ...
    • Kademeli Halkalar, Modüller ve Çokkatlılık 

      Acar, Damla (Fen Bilimleri Enstitüsü, 2017-04-14)
      This thesis is based on a research over graded rings and graded modules as well as some related ideas which are of particular importance especially to the areas Algebra and Geometry. An important concept related to graded ...
    • Kuasilineer Dalga Denkleminin Uzun Zaman Davranışı 

      Şen, Zehra (Fen Bilimleri Enstitüsü, 2018)
      In this thesis, we concern the long time behaviours of the one dimensional strongly damped nonlinear wave equation u_tt-u_txx-∂/∂x (|u_x |^(p-2) u_x )+f(u)=g(x) (1) in bounded domain and the one dimensional strongly ...
    • Legendre Düğümlerin Değişmezleri 

      Sarıoğlan, Samet (Fen Bilimleri Enstitüsü, 2014)
      A knot that is everywhere tangent to the contact planes is called a Legendrian knot. There are two types of Legendrian knots in overtwisted contact 3-manifolds: Loose and non-loose Legendrian knots. In the thesis, we study ...
    • Legendre Düğümlerinin Sınıflandırılması 

      Pekavcılar, Berna (Fen Bilimleri Enstitüsü, 2017)
      A contact structure on a 3-manifold is a maximally non-integrable 2-plane field distributed all over the 3-manifold. There are two types of contact structures on 3-manifolds: tight and overtwisted. Knots that are everywhere ...
    • 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 ...
    • Lineer Olmayan Kısmi Diferansiyel Denklemlerin Backlund Dönüşümleri 

      Kar, Nurdan (Fen Bilimleri Enstitüsü, 2018)
      In this thesis, it is studied how the B¨acklund transformations of nonlinear partial differential equations are obtained and deriving new solutions from the known solutions by using these transformations with the ...
    • Morfizmalar Yardımıyla Tanımlanan Bazı Halka ve Modül Yapıları 

      Altun, Meltem (Fen Bilimleri Enstitüsü, 2013)
      Let M ve N be R-modules. Recent works have shown that some structures of the ring and module theory can be carried out in the context of Hom(M,N), the abelian group of all morphisms of M into N. The aim of this thesis is ...
    • Newton Metodundan Elde Edilen Rasyonel Fonksiyonların Dinamiği ve Geometrisi 

      Yüceer, Abdüsselam (Fen Bilimleri Enstitüsü, 2017-03)
      In this study a new iterative method is introduced, aims to find all roots of complex polynomials with help of Newton’s method. There are methods similar to this one, their degrees are introduced by Sutherland in 1989 ...
    • Open Book Decompositions and Contact Surgeries 

      Yıldırım, Yasemin (Fen Bilimleri Enstitüsü, 2018)
      By Alexander it was shown that an open book decomposition can be found for each closed, oriented 3-manifold. In this thesis, the importance of open book decompositions in terms of contact 3-manifolds will be studied by ...
    • Pi-Extendıng Modüllerin Dik Toplananları Üzerine 

      Yaşar, Ramazan (Fen Bilimleri Enstitüsü, 2015)
      This work consists of five chapters. In the first chapter, the basic properties of useful certain kind of submodules in module and ring theory which are named as essential and complement submodules are given. In the second ...
    • 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 ...
    • Reidemeister Torsiyon ve Yönlendirilmiş Yüzeylerin Pantolon Parçalanışı 

      Dirican, Esma (Fen Bilimleri Enstitüsü, 2015)
      In this thesis, we consider pants decomposition of orientable Riemann surfaces. First, using the notion symplectic chain complex, we prove a new formula Reidemeister torsion of a pair of pants. By using this, we establish ...
    • Riesz Uzayları Üzerinde Tanımlı Sıra Kompakt ve Sınırsız Sıra Kompakt Operatörler 

      Özdemir, Şaziye Ece (Fen Bilimleri Enstitüsü, 2020-08-28)
      Order convergence and unbounded order convergence are not topological terms on Riesz space. On the other hand, compact operatör takes an important place in functional analysis. In this thesis, we investigate order compact ...
    • 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 ...
    • Serbest veya Yüzey Grubunun Temsil Uzayları ve Reidemeister Torsiyon 

      Hezenci, Fatih (Fen Bilimleri Enstitüsü, 2019)
      In this thesis, by using the algebraic topological instrument symplectic chain complex and the toplogical invariant Reidemeister torsion, which has also many applications in several branches of mathematics and theoretical ...
    • Simitli Bir Çeşitlemin Genişlemeleri Üzerinde Hesaplama Kodları 

      Yakut, Yeliz (Fen Bilimleri Enstitüsü, 2017-09)
      In this thesis, evaluation codes defined on special subsets of projective toric varieties are studied. Two methods are presented in detail for finding generators of vanishing ideals which are used to compute parameters of ...