Matematik / Mathematics: Recent submissions

  • WEIGHTED STATISTICAL CONVERGENCE IN INTUITIONISTIC FUZZY NORMED LINEAR SPACES 
    Altundağ, Selma; Esra Kamber (UNIV PRISHTINES, 2017)
    In this paper, we define (N, p(n))- summability with respect to the intuitionistic fuzzy norm (mu,v). We use the concept of ((N) over bar, p(n))- summability with respect to the intuitionistic fuzzy norm (mu,v) to generalize ...
  • DETERMINATION OF HEAVY METALS IN SAPANCA LAKE, TURKEY, WITH MICROWAVE ASSISTED DIGESTION AND ICP-MS METHODS 
    Zeynep Karacoban; Huseyin Altundag; Mustafa S. Dundar; Ateş, Asude; Güngör, Mehmet Ali; Selma Altundag (PARLAR SCIENTIFIC PUBLICATIONS (P S P), 2017)
    In the present work, the aim is to determine seasonal changes in the concentrations of Cd, Cr, Cu, Fe, Pb, Mn, Ni and Zn in the water of Sapanca Lake and to determine the water quality. Sapanca is one of lakes which can ...
  • Maximum estimates for generalized Forchheimer flows in heterogeneous porous media 
    Çelik, Emine; Luan Hoang (ACADEMIC PRESS INC ELSEVIER SCIENCE, 2017)
    This article continues the study in [4] of generalized Forchheimer flows in heterogeneous porous media. Such flows are used to account for deviations from Darcy's law. In heterogeneous media, the derived non-linear partial ...
  • Long-time behaviour of the solutions to inverse problems for parabolic equations 
    Gözükızıl, Ömer Faruk; Yaman, Metin (ELSEVIER SCIENCE INC, 2007)
    We study long-time behaviour as t -> infinity of the solutions of the inverse problem for parabolic equation with an unknown source function. The overdetermination condition is given in integral form. Under some conditions, ...
  • Siacci's Theorem According to Darboux Frame 
    Tosun, Murat; Akyiğit, Mahmut (OVIDIUS UNIV PRESS, 2017)
    The resolution of the acceleration vector of rigid body moving along a space curve is well known thanks to Siacci [1]. In this resolution,the acceleration vector is stated as the sum of two special oblique components in ...
  • Weighted Lacunary Statistical Convergence 
    Başarır, Metin; Konca, Şükran (SPRINGER INTERNATIONAL PUBLISHING AG, 2017)
    In this paper, we extend the concept of weighted lacunary statistical convergence to Hausdorff locally convex topological linear spaces and present some inclusion theorems.
  • Continuous dependence of semilinear Petrovsky equation 
    Kocaman, Hüseyin; Yaman, Metin; Gür, Şevket (INT SCIENTIFIC RESEARCH PUBLICATIONS, 2017)
    In this study, we obtain the continuous dependence on the coefficients of solutions of semilinear Petrovsky equation. Such models are involved in various fields of mathematical physics likewise geophysical and oceanic ...
  • STRONGLY k-SPACES 
    Ersoy, Soley; I. Ince; M. Bilgin (IRANIAN MATHEMATICAL SOC, 2017)
    In this paper, we introduce the notion of strongly k-spaces (with the weak (=finest) pre-topology generated by their strongly compact subsets). We characterize the strongly k-spaces and investigate the relationships between ...
  • Centrohermitian and Skew-Centrohermitian Solutions to the Minimum Residual and Matrix Nearness Problems of the Quaternion Matrix Equation (AXB, DXE) = (C, F) 
    S. Simsek; Sarduvan, Murat; H. Ozdemir (SPRINGER BASEL AG, 2017)
    It is established that the precise solutions on the minimum residual and matrix nearness problems of the quaternion matrix equation (AXB, DXE) = (C, F) for centrohermitian and skew-centrohermitian matrices, where X is an ...
  • Some Equivalence Relations and Results over the Commutative Quaternions and Their Matrices 
    Kösal, Hidayet Hüda; Tosun, Murat (OVIDIUS UNIV PRESS, 2017)
    In this paper, we give some equivalence relations and results over the commutative quaternions and their matrices. In this sense, consimilarity, semisimilarity, and consemisimilarity over the commutative quaternion algebra ...
  • On the Lucas sequence equations V-n(P, 1) = wkx(2), w epsilon {5,7} 
    Karaatlı, Olcay (SPRINGER, 2016)
    Let P be an odd integer and (V-n) denote the generalized Lucas sequence defined by V-0 = 2, V-1 = P, and Vn+1 = PVn + Vn-1 for n >= 1. In this study, we solve the equations V-n = 5kx(2), V-n = 7kx(2), V-n = 5kx(2) +/- 1, ...
  • A NOTE ON SOME DIOPHANTINE EQUATIONS 
    Keskin, Refik; Merve Guney Duman (UNIV MISKOLC INST MATH, 2017)
    Let k >= 3 be an odd integer. In this paper we investigate all positive integer solutions of the equations x(4) - kx(2) y + y(2) = -/+ A, x(4) kx(2) y + y(2) = -/+ A(k(2) - 4), x(4) - (k(2) - 4)y(2) = -/+ 4A, and x(2) - ...
  • Lecture Notes in Computer Science 
    Mustafa Coban; Ferhat Karakoc; Özen, Mehmet; A Bogdanov (SPRINGER INTERNATIONAL PUBLISHING AG, 2017)
    QTL is an ultra-lightweight block cipher designed for extremely constrained devices. The cipher has two versions, QLT-64 and QTL-128 supporting key lengths of 64 and 128 bits, respectively. In this paper, we present the ...
  • Generalized Forchheimer flows in heterogeneous porous media 
    Çelik, Emine; Luan Hoang; Luan Hoang (IOP PUBLISHING LTD, 2016)
    We study the generalized Forchheimer flows of slightly compressible fluids in heterogeneous porous media. The media's porosity and coefficients of the Forchheimer equation are functions of the spatial variables. The partial ...
  • Investigation of Dual-Complex Fibonacci, Dual-Complex Lucas Numbers and Their Properties 
    Güngör, Mehmet Ali; Azak, Ayşe Zeynep (SPRINGER BASEL AG, 2017)
    In this study, we define the dual complex Fibonacci and Lucas numbers. We give the generating functions and Binet formulas for these numbers. Moreover, the well-known properties e.g. Cassini and Catalan identities have ...
  • The homothetic motions in the Lorentz 3-space 
    Tosun, Murat; Güngör, Mehmet Ali (SPRINGER, 2006)
    In this article, the properties of the homothetic motions in three-dimensional Lorentz space are investigated. Also, some geometric results between velocity and acceleration vectors of a point in a spatial motion are obtained.
  • Structural stability analysis of solutions to the initial boundary value problem for a nonlinear strongly damped wave equation 
    Gür, Şevket; Ipek Gulec (SCIENTIFIC TECHNICAL RESEARCH COUNCIL TURKEY-TUBITAK, 2016)
    In this paper the initial-boundary value problem for a nonlinear strongly damped wave equation is considered. We analyze the structural stability of solutions of the nonlinear strongly damped wave equation with coefficients ...
  • On the Consimilarity of Split Quaternions and Split Quaternion Matrices 
    Kösal, Hidayet Hüda; Akyiğit, Mahmut; Tosun, Murat (OVIDIUS UNIV PRESS, 2016)
    In this paper, we introduce the concept of consimilarity of split quaternions and split quaternion matrices. In this regard, we examine the solvability conditions and general solutions of the equations a (x) over tilde= ...
  • Finite time blow up of solutions to an inverse problem for a quasilinear parabolic equation with power nonlinearity 
    Gür, Şevket; Yaman, Metin; Yılmaz, Yalçın (INT SCIENTIFIC RESEARCH PUBLICATIONS, 2016)
    We consider an inverse problem for quasilinear parabolic equations with type power nonlinearity. Sufficient conditions on initial data for blow up result are obtained with positive initial energy. Over determination condition ...
  • On the Semisimilarity and Consemisimilarity of Split Quaternions 
    Onder Gokmen Yildiz; Hidayet Huda Kosal; Tosun, Murat (SPRINGER BASEL AG, 2016)
    In this study, we introduce the concept of semisimilarity and consemisimilarity of split quaternions. Moreover, we examine the solvability conditions and general solutions of systems in split quaternions. If there exist x ...