DSpace@Çankaya

Yazar "Çankaya Üniversitesi, Fen Edebiyat Fakültesi, Matematik Bilgisayar Bölümü" için Matematik Bölümü Yayın Koleksiyonu listeleme

Yazar "Çankaya Üniversitesi, Fen Edebiyat Fakültesi, Matematik Bilgisayar Bölümü" için Matematik Bölümü Yayın Koleksiyonu listeleme

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  • Detection of lead and cadmium ions by voltammetry using antimony impregnated activated carbon 
    Farooqi, Muhammad Omer; Taimoor, Aqeel Ahmad; Al-Shahrani, Saad; Baleanu, Dumitru; Rather, Sami Ullah (Chiminform Data S A, 2015-04)
    This work deals with antimony-impregnated activated carbon electrode for the detection of heavy metal ions. Activated carbon is employed to enhance the surface area of the working electrode. Square-wave Anodic Stripping ...
  • Determination of guaifenesin and dextromethorphan in a cough syrup by HPLC with fluorometric detection 
    Özdemir, Abdil; Aksoy, Halil; Dinç, Erdal; Baleanu, Dumitru; Dermiş, Saadet (Edıtura Academiei Romane, 2006-02)
    A practical high-performance liquid chromatographic method with fluorometric detection for the determination of guaifenesin and dextromethorphan in cough syrup is described. The developed method contains simple, accurate ...
  • Determination of salicin content of some Salix L. species by HPLC method 
    Güvenç, Ayşegül; Arihan, Okan; Altun, Mehmet Levent; Dinç, Erdal; Baleanu, Dumitru (Chiminform Data SA, 2007-01)
    In this paper, we find the salicin content of the nine species of Salix L from the province of Ankara, Turkey, namely Salix triandra, S. alba, S. excelsa, S. fragilis, S. babylonica, S. caprea, S. cinerea, S. pseudomedemii ...
  • Dielectric response of different complex materials 
    Nigmatullin, Raoul R.; Zhang, Wei; Baleanu, Dumitru (IEEE-Inst Electrical Electronics Engineers Inc, 2012-08)
    In this paper we describe novel results of the application of the non-orthogonal amplitude-frequency analysis of the smoothed signals (NAFASS) approach [1] for the analysis of the dielectric response of some complex ...
  • Digital processing of thermographic images for medical applications 
    Guzman-Cabrera, Rafael; Guzman-Sepulveda, Jose Rafael; Gonzalez Parada, Adrian; Rosales Garcia, Juan; Torres Cisneros, Miguel; Baleanu, Dumitru (Chiminform Data S A, 2016-01)
    Breast cancer is the second leading cause of death in women worldwide with an average probability for a woman to develop breast cancer in her life of about 12%. Among the large variety of medical assessment techniques, ...
  • Dirac systems with regular and singular transmission effects 
    Uğurlu, Ekin (Scientific Technical Research Council Turkey-TUBİTAK, 2017)
    In this paper, we investigate the spectral properties of singular eigenparameter dependent dissipative problems in Weyl's limit-circle case with finite transmission conditions. In particular, these transmission conditions ...
  • Discrete and continuous wavelet transforms for the multicomponent determination of sunset Yellow and tartrazine in their soft drink powders 
    Dinç, Erdal; Baleanu, Dumitru; Üstündağ, Özgür; Aboul-Enein, Hassan T. (Chiminform Data S A., 2006-01)
    The multicomponent quantitative resolution of the binary mixtures containing, sunset Yellow (SN) and tartrazine (TR) without any pre-chemical treatment, in the presence of the overlapping signals was accomplished by the ...
  • Discrete chaos in fractional delayed logistic maps 
    Wu, Guo-Cheng; Baleanu, Dumitru (Springer, 2015-06)
    Recently the discrete fractional calculus (DFC) started to gain much importance due to its applications to the mathematical modeling of realworld phenomena with memory effect. In this paper, the delayed logistic equation ...
  • Discrete fractional differences with nonsingular discrete Mittag-Leffler kernels 
    Abdeljawad, Thabet; Baleanu, Dumitru (Springer International Publishing, 2016-09-05)
    In this manuscript we propose the discrete versions for the recently introduced fractional derivatives with nonsingular Mittag-Leffler function. The properties of such fractional differences are studied and the discrete ...
  • Discrete fractional diffusion equation 
    Wu, Guo-Cheng; Baleanu, Dumitru; Zeng, Sheng-Da; Deng, Zhen-Guo (Springer, 2015-04)
    The tool of the discrete fractional calculus is introduced to discrete modeling of diffusion problem. A fractional time discretization diffusion model is presented in the Caputo-like delta's sense. The numerical formula ...
  • Discrete Gruss type inequality on fractional calculus 
    Akın, Elvan; Aslıyüce, Serkan; Güvenilir, Ayşe Feza; Kaymakçalan, Billur (Springer International Publishing, 2015-06-02)
    We give a discrete Gruss type inequality on fractional calculus
  • Discrete variational principles for higher-order Lagrangians 
    Baleanu, Dumitru; Jarad, Fahd (Societa Italiana Di Fisica, 2005-09)
    The discrete Euler-Lagrange equations for higher-order Lagrangians and the corresponding discrete Hamiltonian are obtained. One example containing second-order difference is investigated in details
  • Discrete variational principles for Lagrangians linear in velocities 
    Jarad, Fahd; Baleanu, Dumitru (Pergamon-Elsevier Science, 2007-02)
    The discrete Hamiltonian formulation of Lagrangian linear in velocities is investigated and the equivalence of Hamilton and Euler-Lagrange equations is obtained. The role of Lagrange multipliers is discussed within discrete ...
  • Dual identities in fractional difference calculus within Riemann 
    Abdeljawad, Thabet (Springer International Publishing, 2013)
    We investigate two types of dual identities for Riemann fractional sums and differences. The first type relates nabla- and delta-type fractional sums and differences. The second type represented by the Q-operator relates ...
  • Duality of singular linear systems of fractional nabla difference equations 
    Dassios, Ioannis K.; Baleanu, Dumitru (Elsevier Science Inc., 2015-07-15)
    The main objective of this article is to provide a link between the solutions of an initial value problem of a linear singular system of fractional nabla difference equations, its proper dual system and its transposed dual ...
  • Dualization of the principal sigma model 
    Yılmaz, Nejat T. (Amer Inst Physics, 2008-01)
    The first-order formulation of the principal sigma model with a Lie group target space is performed. By using the dualization of the algebra and the field content of the theory the field equations which are solely written ...
  • Dynamical analysis of fractional order model of immunogenic tumors 
    Arshad, Sadia; Baleanu, Dumitru; Huang, Jianfei; Tang, Yifa; Al Qurashi, Maysaa Mohamed (Sage Publications Ltd, 2016-07)
    In this article, we examine the fractional order model of the cytotoxic T lymphocyte response to a growing tumor cell population. We investigate the long-term behavior of tumor growth and explore the conditions of tumor ...
  • Einstein field equations within local fractional calculus 
    Golmankhaneh, Alireza K.; Yang, Xiao-Jun; Baleanu, Dumitru (Editura Acad Romane, 2015)
    In this paper, we introduce the local fractional Christoffel index symbols of the first and second kind. The divergence of a local fractional contravariant vector and the curl of local fractional covariant vector are ...
  • Employing of some basic theory for class of fractional differential equations 
    Babakhani, Azizollah; Baleanu, Dumitru (Springer International Publishing, 2011)
    Basic theory on a class of initial value problem of some fractional differential equation involving Riemann-Liouville differential operators is discussed by employing the classical approach from the work of Lakshmikantham ...
  • Equations of motion for Einstein’s field in non-integer dimensional space 
    Sadallah, Madhat; Muslih, Sami I.; Baleanu, Dumitru (Inst Physics Acad Sci Czech Republic, 2006-04)
    Equations of motion for Einstein's field in fractional dimension of 4 spatial coordinates are obtained. It is shown that time dependent part of Einstein's wave function is single valued for only 4-integer dimensional space