Recent Submissions

  • Geographic information system-based investment system for photovoltaic power plants location analysis in Turkey 

    Tercan, Emre; Saraçoğlu, Burak Ömer; Bilgilioğlu, Süleyman Sefa; Eymen, Abdurrahman; Tapkın, Serkan (Springer Nature, 2020)
    The motivation of this research, development, demonstration, deployment, and diffusion (RD3 &D) study is to present the progress of designing the GIS-based location selection module of autonomous investment decision support ...
  • Heuristic modelling of traffic accident characteristics 

    Tercan, Emre; Beşdok, Erkan; Tapkın, Serkan (Taylor & Francis, 2020)
    Due to the complex structure of observation based traffic accident data and the absence of an analytic model to define their characteristics, different models are required. Accident characteristics have been modeled for ...
  • A brief review and a new automatic method for interpretation of polypropylene modified bitumen based on fuzzy radon transform and watershed segmentation 

    Tapkın, Serkan; Zakeri, Hamzeh; Topal, Ali; Nejad, Fereidoon Moghadas; Khodaii, Ali; Şengöz, Burak (Springer, 2019)
    This paper reviews development exploitation semi and full automatic strategies for interpretation of Polypropylene Modifed Bitumen (PMB) in the last decade. The main purpose of this study is to provide a new automatic ...
  • Design gyration number determination of 100 mm-diameter asphalt mixtures 

    Tapkın, Serkan; Keskin, Mustafa (Springer, 2019)
    At present, there is no accepted standard by highway authorities on the compaction procedures of 100 mm-diameter gyratory compactor specimens. In previous studies on gyratory compaction, the method of either coring from ...
  • Domination and efficient domination in cubic and quartic Cayley graphs on abelian groups 

    Çalışkan, Cafer; Miklavic, Stefko; Özkan, Sibel (Discrete Applied Mathematics, 2019)
    In this paper, we characterise cubic and quartic Cayley graphs on abelian groups that admit an efficient dominating set, and then we give domination numbers, even when they do not have an efficient dominating set, when it ...
  • Investigation of the effects of IMPULS Maturity model with a simulation-based analysis 

    Altan, Cansu; Başarır, Ali Cem; Aydemir, Erdal (10th International Symposium onIntelligent Manufacturing and Service Systems, 2019)
    Industry 4.0 enables to produce products that are complex in production in a short time and in high quality by entering factories and making our production environments smarter. Industry 4.0 is defined as the digitization ...
  • A cost-effective framework for the optimal placement of drones in smart cities 

    Ülgen, Semail; Al-Turjman, Fadi; Daboul, Reda; Zahmatkesh, Hadi (CRC Press, 2019)
    This chapter presents the existing studies related to the use of unmanned aerial vehicles in the internet of things era. It outlines problem description and the proposed framework. The chapter discusses the performance ...
  • MEXCOwalk: mutual exclusion and coverage based random walk to identify cancer modules 

    Ahmed, Rafsan; Baali, Ilyes; Erten, Cesim; Hoxha, Evis; Kazan, Hilal (Bioinformatics, 2019)
    Motivation: Genomic analyses from large cancer cohorts have revealed the mutational heterogeneity problem which hinders the identification of driver genes based only on mutation profiles. One way to tackle this problem is ...
  • Investigation of diamagnetic levitation for dynamic MEMS devices 

    Beyaz, Mustafa İlker (4th International Mediterranean Science and Engineering Congress (IMSEC 2019), 2019)
    The mechanical performance and lifetime of dynamic MEMS (micro electro mechanical systems) devices such as micropumps, micromotors, and micropositioners heavily rely on the bearing mechanism that enables motion per applied ...
  • Non-planar drive-sense coil structure for inductive MEMS microphones 

    Beyaz, Mustafa İlker (International Symposium on Advanced Engineering Technologies, 2019)
    MEMS technology offers major advantages for the development of microphones including a small footprint, low power consumption, high sound sensitivity and bandwidth. Capacitive, piezoelectric, and inductive microphones have ...
  • A micro-scale biosensor for the detection of bacillus stearothermophilus spore germination 

    Beyaz, Mustafa İlker; Sekkouti, Aissa (International Conference on Engineering Technologies (ICENTE'19), 2019)
    Germination of Bacillus Stearothermophilus bacterial spores is being used as a marker in sterilization monitoring systems to verify the success of sterilization processes in healthcare facilities. Such systems mainly employ ...
  • Structure of conflict graphs in constraint alignment problems and algorithms 

    Alkan, Ferhat; Bıyıkoğlu, Türker; Demange, Marc; Erten, Cesim (Discrete Mathematics Theoretical Computer Science, 2019)
    We consider the constrained graph alignment problem which has applications in biological network analysis. Given two input graphs G1 = (V1, E1), G2 = (V2, E2), two vertices u1, v1 of G1 paired respectively to two vertices ...
  • Graph-theoretical comparison of normal and tumor networks in identifying BRCA genes 

    Erten, Cesim; Dopazo, Joaquin (BMC Systems Biology, 2017)
    Background: Identification of driver genes related to certain types of cancer is an important research topic. Several systems biology approaches have been suggested, in particular for the identification of breast cancer ...
  • On conformal curves in 2-dimensional de sitter space 

    Şimşek, Hakan; Özdemir, Mustafa (Advances in Applied Clifford Algebras, 2016)
    In this paper, we examine the pseudo-spherical curves, which are equivalent to each other under the conformal maps preserving a fixed point in the de Sitter 2-space, by using the Clifford algebra Cl 2,1. Also, we find the ...
  • Some results on p-shape curvatures of non-lightlike space curves 

    Şimşek, Hakan; Özdemir, Mustafa (International Electronic Journal of Geometry, 2018)
    In this paper, we obtain some findings for a non-null curve parameterized by spherical arc length. We investigate the relationship between a non-null curve with p-shape curvatures and pseudospherical curves on S21 and ...
  • Shape curvatures of the Lorentzian plane curves 

    Şimşek, Hakan; Özdemir, Mustafa (Communications Faculty of Sciences University of Ankara Series A1 Mathematics and Statistics, 2017)
    In this paper, we examine the Lorentzian similar plane curvesusing the hyperbolic structure and spherical arc length parameter. We classifyall self-similar Lorentzian plane curves and give formulas for pseudo shapecurvatures ...
  • Bäcklund’s theorem for n dimensional lorentzian submanifold in the minkowski space 𝔼21𝑛−1 

    Şimşek, Hakan; Özdemir, Mustafa (Results in Mathematics, 2016)
    In this paper, Bäcklund’s Theorem is introduced on the Lorentzian n-submanifold of the Minkowski space 𝔼2𝑛−11 by using the method of moving frames. Also, we prove the Integrability Theorem for the Lorentzian n-submanifold ...
  • Similar and self-similar curves in minkowski n-space 

    Şimşek, Hakan; Özdemir, Mustafa (Bulletin of Korean Mathematical Society, 2015)
    In this paper, we investigate the similarity transformations in the Minkowski n-space. We study the geometric invariants of nonnull curves under the similarity transformations. Besides, we extend the fundamental theorem ...
  • Generating hyperbolical rotation matrix for a given hyperboloid 

    Şimşek, Hakan; Özdemir, Mustafa (Linear Algebra and Its Applications, 2016)
    Hyperbolic rotation is hyperbolically the motion of a smooth object on general hyperboloids given by −a1x2+a2y2+a3z2=±λ, λ ∈R+. In this paper, we investigate the hyperbolical rotation matrices in order to get the motion ...
  • On the eigenvalues and eigenvectors of a lorentzian rotation matrix by using split quaternions 

    Özdemir, Mustafa; Erdoğdu, Melek; Şimşek, Hakan (Advances in Applied Clifford Algebras, 2014)
    In this paper, we examine eigenvalue problem of a rotation matrix in Minkowski 3 space by using split quaternions. We express the eigenvalues and the eigenvectors of a rotation matrix in term of the coefficients of the ...

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