Mathematics: Недавние поступления

  • Compactness of Commutators for Riesz Potential on Local Morrey-type spaces 
    Matin, D.T.; Akhazhanov, T.B.; Adilkhanov, A. (Bulletin of the Karaganda University. Mathematics Series, 2023)
  • Compactness of Commutators for Riesz Potential on Generalized Morrey Spaces 
    Bokayev, Nurzhan; Matin, Dauren; Akhazhanov, Talgat; Adilkhanov, Aidos (Mathematics, 2024)
    In this paper, we give the sufficient conditions for the compactness of sets in generalized Morrey spaces M w(·) p . This result is an analogue of the well-known Fréchet–Kolmogorov theorem on the compactness of a set ...
  • Coefficients of multiple Fourier-Haar series and variational modulus of continuity 
    Akhazhanov, T. B.; Bokayev, N. А.; Matin, D. T.; Aktosun, T. (Bulletin of the Karaganda University. Mathematics Series, 2023)
    In this paper, we introduce the concept of a variational modulus of continuity for functions of several variables, give an estimate for the sum of the coefficients of a multiple Fourier-Haar series in terms of the variational ...
  • BUILDING A MODEL FOR RESOLVING REFERENTIAL RELATIONS IN A MULTILINGUAL SYSTEM 
    Zhumabay, Y.; Kalman, G.; Sambetbayeva, M.; Yerimbetova, A.,; Ayapbergenova, A.; Bizhanova, A. (Eastern-European Journal of Enterprise Technologies, 2022)
    This paper considers an approach to resolving referential relations when extracting information from a text. The proposed approach is an attempt to integrate the multifactorial model of the activation coefficient ...
  • Boundedness and compactness of a class of integral operators with power and logarithmic singularity when p ≤ q 
    Abylayeva, Akbota; Oinarov, Ryskul; Seilbekov, Bolat (Journal of Inequalities and Applications, 2022)
    In this paper, necessary and sufficient conditions for the boundedness and compactness of one class of integral operators with power and logarithmic singularities in weighted Lebesgue spaces are obtained.
  • CORRECT SINGULAR PERTURBATIONS OF THE LAPLACE OPERATOR 
    Biyarov, B.N.; Svistunov, D.L.; Abdrasheva, G.K. (EURASIAN MATHEMATICAL JOURNAL, 2020)
    The work is devoted to the study of the Laplace operator when the potential is a singular generalized function and plays the role of a singular perturbation of the Laplace operator. Abstract theorem obtained earlier by ...
  • Best approximation by «angle» and the absolute Ces`aro summability of double Fourier series 
    Bitimkhan, S.; Mekesh, O. (Bulletin of the Karaganda University. Mathematics Series, 2023)
    This article is devoted to the topic of absolute summation of series or Cesaro summation. The relevance of this article lies in the fact that a type of absolute summation with vector index which has not been previously studied ...
  • Automorphisms of the universal enveloping algebra of a finite-dimensional Zinbiel algebra with zero multiplication 
    Zhangazinova, D.M.; Naurazbekova, A.S. (Bulletin of the Karaganda University. Mathematics Series, 2023)
    In recent years there has been a great interest in the study of Zinbiel (dual Leibniz) algebras. Let A be Zinbiel algebra over an arbitrary field K and let e1, e2, be a linear basis of A. In 2010 A. Naurazbekova, using ...
  • ATTRACTORS OF THE NAVIER–STOKES EQUATIONS IN A TWO-DIMENSIONAL POROUS MEDIUM 
    Bekmaganbetov, K.A.; Toleubai, A.M.; Chechkin, G.A. (Journal of Mathematical Sciences, 2022)
    In a perforated domain, we consider the two-dimensional system of Navier–Stokes equations with rapidly oscillating terms in the equations and boundary conditions. We prove that the trajectory attractors of this system ...
  • Issues of Increasing the Efficiency of Traffic Management on the Main Streets of Astana 
    ZHANDARBEKOVA, Assel; KURENKEYEVA, Dariyash; MURZABEKOVA, Kenzhegul; MUKHAMETZHANOVA, Aizhan; KALENOV, Galymzhan; TULENDIYEV, Yerlan; KUANYSHBEKOVA, Kundyz (Advances in Transdisciplinary Engineering, 2024)
    Given the scarcity of funds in the city budget, the current way to improve the efficiency of traffic management is to coordinate traffic lights at a number of regulated intersections or pedestrian crossings, that ...
  • ASSESSMENT OF THE BEARING CAPACITY OF VARIABLE PROFILE PILES IN SOIL USING STATIC LOAD MODEL TESTS ON A TESTING APPARATUS 
    Lukpanov, R.; Yenkebaev, S.; Zhantlessova, Z.; Dyussembinov, D.; Altynbekova, A.; Rahimov, R. (Eastern-European Journal of Enterprise Technologies, 2024)
    The paper presents the results of the study of the proposed type of variable profile piles. The proposed type of piles is reinforced concrete driven piles segmented in length. Each subsequent section has a radial ...
  • Assessment of Regional and Sectoral Parameters of Energy Supply in the Context of Effective Implementation of Kazakhstan’s Energy Policy 
    Niyazbekova, Shakizada; Yessymkhanova, Zeinegul; Kerimkhulle, Seyit; Brovkina, Natalya; Annenskaya, Nataliya; Semenov, Alexander; Burkaltseva, Diana; Nurpeisova, Ardak; Maisigova, Leila; Varzin, Vasiliy (Energies, 2022)
    The development of global and regional energy markets is one of the most important problems of the current state of global economic relations and is one of the highest-priority areas in the formation of national and ...
  • ASSESSMENT OF PLANT DISEASE DETECTION BY DEEP LEARNING 
    Alpyssov, A.; Uzakkyzy, N.; Talgatbek, M.; Moldasheva, R.; Bekmagambetova, G.; Yessekeyeva, M.; Kenzhaliev, D.; Yerzhan, A.; Tolstoy, A. (Eastern-European Journal of Enterprise Technologies, 2023)
    Plant disease and pest detection machines were originally used in agriculture and have, to some extent, replaced traditional visual identification. Plant diseases and pests are important determinants of plant ...
  • APPROACH TO THE SYNTHESIS OF AN APERIODIC ROBUST AUTOMATIC CONTROL SYSTEM BASED ON THE GRADIENT-SPEED METHOD OF LYAPUNOV VECTOR FUNCTIONS 
    Beisenbi, М.; Kaliyeva, S (Eastern-European Journal of Enterprise Technologies, 2023)
    l of dynamic objects is the development of methods for research and synthesis of control systems of multidimensional objects. The paper proposes a universal approach to construct Lyapunov vector functions directly ...
  • APPLYING MACHINE LEARNING TO IMPROVE A TEXTURE TYPE IMAGE 
    Неизвестный автор (Eastern-European Journal of Enterprise Technologies, 2023)
    The paper is devoted to machine learning methods that focus on texture-type image enhancements, namely the improvement of objects in images. The aim of the study is to develop algorithms for improving images and ...
  • An Overview of Phase Change Materials and Their Applications in Pavement 
    Korniejenko, Kinga; Nykiel, Marek; Choinska, Marta; Jexembayeva, Assel; Konkanov, Marat; Aruova, Lyazat (Energies, 2024)
    The composite of a phase change material (PCM) and bitumen or asphalt as a matrix is expected as a new, advanced material for road construction. The main motivation for this article was to show the new possibilities and ...
  • ANALYSIS OF THE SPECTRAL PROPERTIES OF WHEAT GROWTH IN DIFFERENT VEGETATION PERIODS 
    Yerzhanova, A.; Kassymova, A.; Abdikerimova, G.,; Abdimomynova, M.; Tashenova, Z.; Nurlybaeva, E. (Eastern-European Journal of Enterprise Technologies, 2021)
    The article presents a technique for studying space images based on the analysis of the spectral brightness coefficient (SBC) of space images of the earth's surface. Recognition of plant species, soils, and ...
  • Analysis of the Relationships between School Children’s Technology Addiction and School Achievement 
    Bulatbaeva, Kulzhanat; Mukhamedkhanova, Almagul; Toibazarova, Nagimash; Maigeldiyeva, Sharban; Nurkasymova, Saule; Rezuanova, Galiyapanu (International Journal of Education in Mathematics, Science, and Technology, 2023)
    In this study, the relationship between gaming, social media and internet addiction, which are within the scope of technology addiction, and school achievement and study behavior was examined. The sample of the study ...
  • A Deep Learning-Based Approach for Road Surface Damage Detection 
    Kulambayev, Bakhytzhan; Beissenova, Gulbakhram; Katayev, Nazbek; Abduraimova, Bayan; Zhaidakbayeva, Lyazzat; Sarbassova, Alua; Akhmetova, Oxana; Issayev, Sapar; Suleimenova, Laura; Kasenov, Syrym; Shadinova, Kunsulu; Shyrakbayev, Abay (Computers, Materials & Continua, 2022)
    Timely detection and elimination of damage in areas with excessive vehicle loading can reduce the risk of road accidents. Currently, various methods of photo and video surveillance are used to monitor the condition of ...
  • On the Heat and Wave Equations with the Sturm-Liouville Operator in Quantum Calculus 
    Shaimardan, Serikbol; Persson, Lars-Erik; Tokmagambetov, Nariman (Hindawi Abstract and Applied Analysis, 2023)
    In this paper, we explore a generalised solution of the Cauchy problems for the q-heat and q-wave equations which are generated by Jackson’s and the q-Sturm-Liouville operators with respect to t and x, respectively. For ...

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