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Browsing Fakülteler / Faculties by Author "Sakarya Üniversitesi/Fen-Edebiyat Fakültesi/Matematik Bölümü"

Browsing Fakülteler / Faculties by Author "Sakarya Üniversitesi/Fen-Edebiyat Fakültesi/Matematik Bölümü"

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  • Effect of Silybum marianum on acute hepatic damage caused by carbon tetrachloride in rats 
    Öztürk, Mahpeyker; Akdoğan, Mehmet; I. Keskin; A. N. Kisioglu; S. Oztas; Yıldız, Kenan (SCIENTIFIC PUBLISHERS INDIA, 2012)
    The study was designed to test the efficiency of of Silybum marianum in different doses to treat carbon tetrachloride (CCl4) induced liver damage. Thirty-five Wistar albino rats were divided randomly into five groups as ...
  • Effect of various high-pressure treatments on the properties of reduced-fat Cheddar cheese 
    Öztürk, Mahpeyker; S. Govindasamy-Lucey; J. J. Jaeggi; K. Houck; M. E. Johnson; J. A. Lucey (ELSEVIER SCIENCE INC, 2013)
    A major problem with reduced-fat cheese is the difficulty in attaining the characteristic flavor and texture of typical full-fat versions. Some previous studies have suggested that high hydrostatic pressure (HHP) can ...
  • Elliptical Harmonic Motion and Euler-Savary Formula 
    Nuno T. Sa Pereira; Ersoy, Soley (SPRINGER BASEL AG, 2016)
    In this paper, we have introduced elliptical harmonic motion in terms of elliptical numbers. In addition, we have found the relationships between the absolute, the relative and the sliding velocities and accelerations of ...
  • Energy Decay and Continuous Dependence for Damped Semilinear Wave Equation 
    Sevket Guer; Gür, Şevket; Metin Yaman (SPRINGER INTERNATIONAL PUBLISHING AG, 2019)
    We study uniform stabilization and the continuous dependence of solutions to an initial and boundary value problem for a nonlinear hyperbolic equation with (possibly strong) linear damping.
  • Exact solutions of Benjamin-Bona-Mahony-Burgers-type nonlinear pseudo-parabolic equations 
    Gözükızıl, Ömer Faruk (SPRINGER INTERNATIONAL PUBLISHING AG, 2012)
    In this paper, we consider some nonlinear pseudo-parabolic Benjamin-Bona-Mahony-Burgers (BBMB) equations. These equations are of a class of nonlinear pseudo-parabolic or Sobolev-type equations , alpha is a fixed positive ...
  • Fibonacci and Lucas Congruences and Their Applications 
    Keskin, Refik; Demirtürk Bitim, Bahar (SPRINGER HEIDELBERG, 2011)
    In this paper we obtain some new identities containing Fibonacci and Lucas numbers. These identities allow us to give some congruences concerning Fibonacci and Lucas numbers such as L2mn+k equivalent to (-1)((m+1)n) L-k ...
  • Fibonacci Generalized Quaternions 
    Akyiğit, Mahmut; Kösal, Hidayet Hüda; Tosun, Murat (SPRINGER BASEL AG, 2014)
    In this paper, the Fibonacci generalized quaternions are introduced. We use the well-known identities related to the Fibonacci and Lucas numbers to obtain the relations regarding these quaternions. Furthermore, the Fibonacci ...
  • 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 ...
  • Fluid flows of mixed regimes in porous media 
    Çelik, Emine; Luan Hoang; Akif Ibragimov; Thinh Kieu (AMER INST PHYSICS, 2017)
    In porous media, there are three known regimes of fluid flows, namely, pre-Darcy, Darcy, and post-Darcy. Because of their different natures, these are usually treated separately in the literature. To study complex flows ...
  • Forced Vibration of the Pre-Stressed and Imperfectly Bonded Bi-Layered Plate Strip Resting on a Rigid Foundation 
    Hazar, Elman; Eröz, Mustafa (TECH SCIENCE PRESS, 2013)
    Within the scope of the piecewise homogeneous body model with utilizing of the three dimensional linearized theory of elastic waves in initially stressed bodies the influence of the shear-spring type imperfection of the ...
  • Generalized difference sequence spaces associated with a multiplier sequence on a real n-normed space 
    Konca, Şükran; Başarır, Metin (SPRINGEROPEN, 2013)
    The purpose of this paper is to introduce new sequence spaces associated with a multiplier sequence by using an infinite matrix, an Orlicz function and a generalized B-difference operator on a real n-normed space. Some ...
  • Generalized Fibonacci and Lucas numbers of the form 5x(2) 
    Keskin, Refik; Karaatlı, Olcay (WORLD SCIENTIFIC PUBL CO PTE LTD, 2015)
    Let (U-n(P, Q) and (V-n(P, Q) denote the generalized Fibonacci and Lucas sequences, respectively. In this study, we assume that Q = 1. We determine all indices n such that U-n = 5 square and U-n = 5U(m)square under some ...
  • GENERALIZED FIBONACCI AND LUCAS NUMBERS OF THE FORM wx(2) AND wx(2) 1 
    Keskin, Refik (KOREAN MATHEMATICAL SOC, 2014)
    Let P >= 3 be an integer and let (U-n) and (V-n) denote generalized Fibonacci and Lucas sequences defined by U-0 = 0,U-1 = 1; V-0 = 2,V-1 = P, and Un+1 = PUn Un-1 Vn+1 = PVn - Vn-1 for n >= 1. In this study, when P is odd, ...
  • Generalized Fibonacci numbers of the form 
    Keskin, Refik; Öğüt, Ümmügülsüm (SPRINGER, 2016)
    Let be an integer and let and denote generalized Fibonacci and Lucas sequences defined by ; and , for In this study, when P is odd, we solve the equation for After then, we solve some Diophantine equations utilizing solutions ...
  • GENERALIZED FIBONACCI NUMBERS OF THE FORM 11x(2) 
    Öğüt, Ümmügülsüm; Keskin, Refik (HONAM MATHEMATICAL SOC, 2018)
    Let P >= 3 be an integer and let (U-n) denote generalized Fibonacci sequence defined by U-0 = 0, U-1 = 1 and Un+1 = PUn - Un-1 for n >= 1. In this study, when P is odd, we solve the equation U-n = 11x(2) + 1. We show that ...
  • 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 ...
  • Generalized Forchheimer Flows of Isentropic Gases 
    Çelik, Emine; Luan Hoang; Thinh Kieu (SPRINGER BASEL AG, 2018)
  • GENERALIZED LUCAS NUMBERS OF THE FORM 5kx(2) AND 7kx(2) 
    Karaatlı, Olcay; Keskin, Refik (KOREAN MATHEMATICAL SOC, 2015)
    Generalized Fibonacci and Lucas sequences (U-n) and (V-n) are defined by the recurrence relations Un+1 = PUn +QU(n-1) and Vn+1 = PVn + QV(n-1), n >= 1, with initial conditions U-0 = 0, U-1 = 1 and V-0 = 2, V-1 = P. This ...
  • Generalized quadraticity of linear combination of two generalized quadratic matrices 
    Petik, Tuğba; Özdemir, Halim (TAYLOR & FRANCIS LTD, 2015)
    It is investigated the necessary and sufficient conditions for the generalized quadraticity of a linear combination of any two generalized quadratic matrices. The main result obtained is, in a sense, a generalization of ...
  • GENERALIZED SPACELIKE BERTRAND CURVES IN MINKOWSKI 5-SPACE R-1(5) 
    Ersoy, Soley (NATL INQUIRY SERVICES CENTRE PTY LTD, 2014)
    In this paper, we give the definition of the generalization of spacelike Bertrand curves and obtain the characterization of these curves in Minkowski 5-space R-1(5). Moreover, we define three types special spacelike Bertrand ...