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  • Rakhimbekova, Assem (Nazarbayev University Graduate School of Education, 2018-12)
    Drawing on a narrative story of a gifted student, who studies at the school for gifted children, and who suffers from stuttering that made him difficult to articulate his words and deliver his ideas properly, this case ...
  • Zhang, Yongguang; Bakenov, Zhumabay; Zhao, Yan; Konarov, Aishuak; Doan, The Nam Long; Malik, Muhammad; Paron, Todd; Chen, P. (Journal of Power Sources, 2012-06-15)
    Abstract A nanostructured sulfur/polypyrrole binary composite was prepared by a simple one-step ballmilling without heat-treatment. High resolution transmission and scanning electronic microscopy showed the formation of a ...
  • Good, Michael R.R.; Yelshibekova, Khalykbek; Chin Ong, Yen (ArXiv, 2017-03-03)
    A new solution of a unitary moving mirror is found to produce nite energy and emit thermal radiation despite the absence of an acceleration horizon. In the limit that the mirror approaches the speed of light, the model ...
  • Adaricheva, Kira; Nation, J.B. (2013)
    We show that every optimum basis of a nite closure system, in D. Maier's sense, is also right-side optimum, which is a parameter of a minimum CNF representation of a Horn Boolean function. New parameters for the size ...
  • Melnykov, Igor; Melnykov, Volodymyr (Statistics & Probability Letters, 2014-01-01)
    Abstract The K-means algorithm is commonly used with the Euclidean metric. While the use of Mahalanobis distances seems to be a straightforward extension of the algorithm, the initial estimation of covariance matrices can ...
  • Bhatnagar, Amit; Nikolaeva, Ralitza; Ghose, Sanjoy (Managerial and Decision Economics, 2014)
    This study examines the motivations for imitation in retailers’ online channel entry. Extant literature suggests that legitimacy and efficiency are the primary motivators for firms to imitate. We develop hypotheses which ...
  • Almagambetova, Ayanna; Zakiyeva, Nazgul (Nazarbayev University School of Science and Technology, 2016-04)
    Existing distributions do not always provide an adequate fit to the complex real world data. Hence, the interest in developing more flexible statistical distributions remains strong in statistics profession. In this project, ...
  • Adilkhanov, A.N.; Taimanov, I.A. (Communications in Nonlinear Science and Numerical Simulation, 2017-01-01)
    Abstract The discrete spectra of certain two-dimensional Schrödinger operators are numerically calculated. These operators are obtained by the Moutard transformation and have interesting spectral properties: their kernels ...
  • Good, M. R. R.; Akhmetzhanova, G. (Nazarbayev University, 2014)
    In the moving mirror model, removal of acceleration horizons gives rise to negative energy flux. The total emitted energy is positive and finite, in agreement with quantum inequalities and the second law of thermodynamics ...
  • Akhmetov, Zhansen; Hammami, Manel; Grandi, Gabriele; Ruderman, Alex (MDPI, 2019-01-30)
    Cascade H-bridge (CHB) inverter is an attractive choice for integration of DC sources of different nature, e.g., for distributed generation with energy storage, photovoltaic generation, etc. In general, non-equal DC ...
  • Adaricheva, Kira; Pouzet, Maurice (2015)
    A convex geometry is a closure space satisfying the anti-exchange axiom. For several types of algebraic convex geometries we describe when the collection of closed sets is order scattered, in terms of obstructions to the ...
  • Tretyakov, Sergei; Ra’di, Younes; Simovski, Constantin; Valagiannopoulos, Constantinos (IEEE International Conference on Microwaves, Antennas, Communications and Electronic Systems (COMCAS), 2017-11-13)
    Abstract—Conventional wireless power transfer systems consist of a microwave power generator located at one place and a microwave power receiver located at a distance. To realize efficient power transfer, the system ...
  • Good, Michael R.R. (2013-02-01)
    A single real scalar field of spin zero obeying the Klein-Gordon equation in flat spacetime under external conditions is considered in the context of the spin-statistics connection. An imposed accelerated boundary on the ...
  • Elgindi, Mohamed B. M.; Wei, Dongming; Soukiassian, Yeran; Liu, Yu (World Journal of Engineering and Technology, 2014)
    In this paper, we consider the buckling of an Euler-Bernoulli graphene beam due to an axial compressive load. We formulate the problem as a non-linear (eigenvalue) two-point boundary value problem, prove some properties ...
  • Qi, Nan; Xiao, Ming; Tsiftsis, Theodoros A.; Cao, Phuong L.; Skoglund, Mikael; Li, Lixin (Institute of Electrical and Electronics Engineers Inc., 2016-06-27)
    In this paper, the energy efficiency (EE) of a cooperative diversity system with maximum diversity network coding (MDNC) is studied. In the considered system, channel state information (CSI) is only available at the receivers ...
  • Qi, Nan; Xiao, Ming; Tsiftsis, Theodoros A.; Cao, Phuong L.; Skoglund, Mikael; Li, Lixin (2016)
    In this paper, the energy efficiency (EE) of a cooperative diversity system with maximum diversity network coding (MDNC) is studied. In the considered system, channel state information (CSI) is only available at the ...
  • Elgindi, Mohamed B. M.; Wei, Dongming (Mathematics Faculty Publications, 2012)
    In this paper we prove the global solvability of a class of fourth-order nonlinear boundary value problems that govern the deformation of a Hollomon’s power-law plastic beam subject to an axial compression and nonlinear ...
  • Tsiftsis, Theodoros A.; Foukalas, Fotis; Karagiannidis, George K.; Khattab, Tamer (IEEE Transactions on Vehicular Technology, 2016-05-01)
    This work is devoted to the study of dispersed spectrum cognitive radio (CR) systems over independent and nonidentically distributed (i.n.i.d.) generalized fading channels. More specifically, this is performed in terms of ...
  • Miridakis, Nikolaos I.; Tsiftsis, Theodoros A. (IEEE Transactions on Vehicular Technology, 2016)
    In this paper, a spatial multiplexing multiple-input multiple-output (MIMO) system when hardware along with RF imperfections occur during the communication setup is analytically investigated. More specifically, the scenario ...
  • Penati, Beatrice (Acta Slavica Iaponica, 2015)
    This article studies when, how, and by whom the decision to nationalise land properties the rent from which supported mosques, shrines, and hostels (rather than schools) was first taken in Soviet Uzbekistan. Through a ...

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