Browsing by Issue Date

Now showing items 21-40 of 25028

    • A transportation type aggregate production model with bounds on inventory and backordering 

      Erenguc, S. S.; Tufekci, S. (Elsevier, 1988)
      We consider a certain T period aggregate production planning model, where the two sources of production are regular and overtime. The model allows for time varying production, holding and backordering costs and includes ...

    • An isomorphism theorem for Dragilev spaces 

      Kocatepe, M. (Birkhäuser-Verlag, 1988)
      Necessary and sufficient conditions for an Ly(a, l)-space to be isomorphic to some Lg(b, m)-space have been found.

    • Marketing research in Saudi Arabia 

      Tuncalp, Seçil (Emerald, 1988)
      The marketing research scene in Saudi Arabia is investigated, where a number of environmental factors make marketing research a formidable undertaking. Cultural factors, such as language, religion and social etiquettes, ...

    • Sorption/desorption of Cs on clay and soil fractions from various regions of Turkey 

      Erten, H. N.; Aksoyoglu, S.; Göktürk, H. (Elsevier, 1988)
      The sorption desorption behaviour of Cs ion in the concentration region of 10−8 to 10−4 meqml−1 have been studied using clay and soil fractions from various regions of Turkey. The sorption curves for all the material studied ...

    • Seabed propagation of ULF/ELF electromagnetic fields from harmonic dipole sources located on the seafloor 

      Fraser-Smith, A. C.; lnan, A. S.; Villard, O. G.; Joiner, R. G. (Wiley-Blackwell Publishing, 1988)
      he amplitudes of the quasi-static electromagnetic fields generated at points on the seafloor by harmonic dipole sources (vertically directed magnetic dipoles, horizontally directed magnetic dipoles, vertically directed ...

    • Iterative algorithms for solution of large sparse systems of linear equations on hypercubes 

      Aykanat, C.; Özgüner, F.; Ercal, F.; Sadayappan, P. (IEEE, 1988)
      Finite-element discretization produces linear equations in the form Ax=b, where A is large, sparse, and banded with proper ordering of the variables x. The solution of such equations on distributed-memory message-passing ...

    • An algorithmic proof of the polyhedral decomposition theorem 

      Akgül, M. (John Wiley & Sons, 1988)
      It is well‐known that any point in a convex polyhedron P can be written as the sum of a convex combination of extreme points of P and a non‐negative linear combination of extreme rays of P. Grötschel, Lovász, and Schrijver ...

    • A sequential dual simplex algorithm for the linear assignment problem 

      Akgül, M. (Elsevier, 1988)
      We present a sequential dual-simplex algorithm for the linear problem which has the same complexity as the algorithms of Balinski [3,4] and Goldfarb [8]: O(n2) pivots, O(n2 log n + nm) time. Our algorithm works with the ...

    • C∗-actions on Grassmann bundles and the cycle at infinity. 

      Sertöz, S. (Aarhus Universitet * Mathematica Scandinavica, 1988)
      We describe the Grassmann Graph construction of MacPherson in the analytic category using a C∗-action and the corresponding BialynickiBirula decomposition. It is shown that the cycle at infinity is analytic in the compact ...

    • Text, image, graphics editor 

      Coşar, Ahmet (Bilkent University, 1988)
      The editor proposed in this study can manipulate textual, graphics and image data in a unified way. Each data type can be edited individually or dependencies can be set up between various data items so that modifying one ...

    • Stabilization of multivariable systems with constrained control structure 

      Ünyelioğlu, Konur Alp (Bilkent University, 1988)
      The following problem is considered: Given a multivariable system with m inputs and r outputs and an m x r matrix whose nonnegative (i,j)’th element represents the cost of setting up a feedback link from the j ’th output ...

    • Atomic theory of the scanning tunneling microscope 

      Tekman, Ahmet Erkan (Bilkent University, 1988)
      The Scanning Tunneling Microscope is proven to be one of the most powerful tools for surface structure determination. Present theories are able to explain the operation of the microscope when the tip is far from the ...

    • Design and implementation of a tool for teaching programming 

      Göktepe, Mesut (Bilkent University, 1988)
      In this thesis, a survey on computer applications for teaching programming and some graphical programming tools together with their underlying environments has been carried out and a graphical Pascal teaching tool ...

    • Continuous processing of images through user sketched functional blocks 

      Kaya, Aydın (Bilkent University, 1988)
      An object oriented user interface is developed for interacting with and processing images. The software prepared for this purpose includes image processing functions as well as user friendly interaction tools both of a ...

    • Design and analysis of just-in-time production systems 

      Oğuz, Ceyda (Bilkent University, 1988)
      Just-in-Time (JIT) production systems have initially appeared in the Japanese manufacturing environment due to the scarcity of their critical resources. The main aim in JIT production systems is to eliminate waste. ...

    • Congestion control in interconnected computer networks 

      Ulusoy, Özgür (Bilkent University, 1988)
      A computer network has a collection of resources shared by multiple users. The capacity of the resources is limited, and if the user demands exceed the capacity, the network becomes ’congested’. The congestion causes a ...

    • A Parallel Prolog emulator 

      Gürsoy, Attila (Bilkent University, 1988)
      There are various parallel Prolog execution models proposed so far. In this study, an emulator has been developed to test the execution model PPEM. The emulator is used to collect data to evaluate the performance of the ...

    • Secondary storage management in an object-oriented database management system 

      Karaorman, Murat (Bilkent University, 1988)
      In this thesis, a survey on object-orientation and object-oriented database management systems has been carried out and a secondary storage management and indexing module is implemented for an object-oriented ...

    • Organizational structure and change: A Case study of the warehouse and stock control system in Tepe Co 

      Onarcan, Mehtap Emine (Bilkent University, 1988)
      A sophisticated information processing system can cause a change in the organizational structure. In this work, the Warehouse and Stock Control System in TEPE CO. is chosen as a case study to examine a planned organizational ...

    • Electronic structure of Si/Ge semiconductor superlattices 

      Gülseren, Oğuz (Bilkent University, 1988)
      A brief review about the two dimensional electron systems and especially band offsets is given. The electronic properties of the Si„/Ge„(001) strained superlattices as a function of the superlattice periodicity and the ...