Now showing items 21-40 of 210

    • Automated testing for distributed databases with fuzzy fragment reallocation 

      Akbulut, Akhan; Karataş, Gözde (TUBİTAK Scientific & Technical Research Council Turkey, Ataturk Bulvarı No 221, Kavaklıdere, Ankara, 00000, Turkey, 2018)
      As the Internet and big data become more widespread, relational database management systems (RDBMSs) become increasingly inadequate for web applications. To provide what RDBMSs cannot, during the past 15 years distributed ...
    • Average Vector Field Splitting Method for Nonlinear Schrodinger Equation 

      Akkoyunlu, Canan; Karasözen, Bülent (Springer-Verlag Berlin, Heidelberger Platz 3, D-14197 Berlin, Germany, 2013)
      The energy preserving average vector field integrator is applied to one and two dimensional Schrodinger equations with symmetric split-step method. The numerical results confirm the long-term preservation of the Hamiltonians, ...
    • B-spline Interpolation Compared with Finite Difference, Finite Element and Finite Volume Methods Which Applied to Two-Point Boundary Value Problems 

      Çağlar, Hikmet; Çağlar, Nazan; Elfaituri, Khaled (ELSEVIER SCIENCE INC, 360 PARK AVE SOUTH, NEW YORK, NY 10010-1710 USA, 2006-04-01)
      This paper considers the B-spline interpolation and compares this method with finite difference, finite element and finite volume methods which applied to the two-point boundary value problem. -d/dx(p(x)du/dx) = f(x), ...
    • B-Spline Method For Solving Bratu's Problem 

      Çağlar, Hikmet; Çağlar, Nazan; Özer, Mehmet; Valaristos, Antonios; Anagnostopoulos, Antonios N. (Taylor & Francis Ltd, 4 Park Square, Milton Park, Abingdon Ox14 4Rn, Oxon, England, 2010)
      In this paper, we propose a B-spline method for solving the one-dimensional Bratu's problem. The numerical approximations to the exact solution are computed and then compared with other existing methods. The effectiveness ...
    • B-Spline Solution For A Singularly Perturbed Convection-Dominated Diffusion Equation 

      Çağlar, Hikmet; Çağlar, Nazan; Özer, Mehmet (Eudoxus Press, Llc, 1424 Beaver Trail Drive, Cordova, Tn 38016 Usa, 2009-04)
      In this study, B-spline method is applied to the convection-dominated diffusion problems. The numerical solution of the equations are discussed and illustrated with an example. Computational results are provided to demonstrate ...
    • B-spline solution of non-linear singular boundary value problems arising in physiology 

      Çağlar, Hikmet; Çağlar, Nazan; Özer, Mehmet (Pergamon-Elsevier Science Ltd, The Boulevard, Langford Lane, Kidlington, Oxford Ox5 1Gb, England, 2009-02-15)
      We use B-spline functions to develop a numerical method for computing approximations to the solution of non-linear singular boundary value problems associated with physiology science. The original differential equation is ...
    • B-spline solution of singular boundary value problems 

      Çağlar, Nazan; Çağlar, Hikmet (ELSEVIER SCIENCE INC, 360 PARK AVE SOUTH, NEW YORK, NY 10010-1710 USA, 2006-11-15)
      Homogeneous and non-homogenous singular boundary value problems (special case) are solved using B-splines. The original differential equation is modified at singular point then the boundary value problem is treated by using ...
    • Birlikte Kompakt Operatör Ailelerinin Değişmez Altuzayları Üzerine 

      Mısırlıoğlu, Remzi Tunç; Şafak, Alpay (2006)
    • Blockchain based secure communication for Iot devices in smart sities 

      Şahingöz, Özgür Koray; Yetiş, R. (2019-04)
      In smart city technologies we have witnessed advanced technological improvements in small computing devices, which can be connected to the Internet and named as Internet of Thing (IoT) devices, and cooperatively working ...
    • Bounded Log-Harmonic Functions with Positive Real Part 

      Özkan Uçar, Hatice Esra; Polatoğlu, Yaşar (Academic Press inc Elsevier Science, 525 B St, Ste 1900, San Diego, Ca 92101-4495 USA, 2013-03-01)
      Let H(D) be the linear space of all analytic functions defined on the open unit disc D = {z vertical bar vertical bar z vertical bar < 1}, and let B be the set of all functions w(z) is an element of H(D) such that vertical ...
    • Boyut Değiştirmek Kolay Değil 

      Güzel, Erhan (2011-05-27)
    • Certain subclasses of starlike and convex functions of complex order 

      Ravichandran, V.; Polatoğlu, Yaşar; Bolcal, Metin; Yemişci, Halime Arzu (2005)
      In the present investigation, we consider certain subclasses of starlike and convex functions of complex order, giving necessary and sufficient conditions for functions to belong to these classes.
    • Characterization of Some Ring Properties in Incidence Algebras 

      Koç, Ayten; Esin, Songül; Kanuni Er, Müge (Taylor and Francis Online, 2011)
      Let R be a ring with identity and I(X, R) be the incidence algebra of a locally finite partially ordered set X over R. In this article, we investigate the necessary and sufficient conditions for the incidence ring to be ...
    • Classification of imaginary movements in ECoG with a hybrid approach based on Mmlti-dimensional hilbert-SVM solution 

      Demirer, R. Murat; Özerdem, Mehmet S.; Bayrak, Coşkun (Elsevier Science Bv, Po Box 211, 1000 Ae Amsterdam, Netherlands, 2009-03-30)
      The study presented in this paper shows that electrocorticographic (ECoG) signals can be classified for making use of a human brain-computer interface (BCI) field. The results show that certain invariant phase transition ...
    • Close-to-convex functions defined by fractional operator 

      Aydoğan, Seher Melike; Kahramaner, Yasemin; Polatoğlu, Yaşar (2013)
      Let S denote the class of functions f(z) = z + a2z2 + ... analytic and univalent in the open unit disc D = {z ∈ C||z| < 1}. Consider the subclass and S∗ of S, which are the classes of convex and starlike functions, ...
    • Coefficient Inequality For Perturbed Harmonic Mappings 

      Polatoğlu, Yaşar; Çağlar, Mert; Yavuz Duman, Emel (Pergamon-Elsevier Science Ltd, The Boulevard, Langford Lane, Kidlington, Oxford Ox5 1Gb, England, 2010-08)
      The aim of this work is to give the coefficient inequality for the perturbed harmonic mappings in the open unit disc D. (c) 2010 Elsevier Ltd. All rights reserved.
    • Coefficient inequality for q-starlike functions 

      Özkan Uçar, H. Esra (Elsevier Science Inc, 360 Park Ave South, New York, Ny 10010-1710 USA, 2016-03-05)
      Let A be the class of analytic functions f which are regular and satisfying the conditions f (0) = 0, f'(0) = 1. In other words each f in A has the power series representation f(z) = z + a(2)z(2) + a(3)z(3) + ... in the ...
    • Compact Finite Differences Method And Caputo Fractional Derivative Definition For Lineer Fractional Schrödingerequations 

      Er, Neslihan; Çağlar, Hikmet; Çağlar, Nazan (2018-03)
      In this paper, linear fractional Schrödinger equation is studied by using compact finite differences method. The fractional part of the equation is worked by applying Caputo fractional derivative definition. In the solution ...
    • Comparison of the Data Classification Approaches to Diagnose Spinal Cord Injury 

      Demirer, Rüştü Murat; Arslan, Yunus Ziya; Palamar, Deniz; Uğur, Mukden; Karamehmetoğlu, Şafak Sahir (Hindawi Publishing Corporation, 410 Park Avenue, 15Th Floor, #287 Pmb, New York, Ny 10022 USA, 2012)
      In our previous study, we have demonstrated that analyzing the skin impedancesmeasured along the key points of the dermatomes might be a useful supplementary technique to enhance the diagnosis of spinal cord injury (SCI), ...