Now showing items 1-12 of 12

    • The Variety of Nilpotent Tortkara Algebras 

      Gorshkov, Ilya E.; Kaygorodov, Ivan; Kytmanov, Alexey A.; Salim, Mohamed A.; Горшков, Илья Е.; Кайгородов, Иван; Кытманов, Алексей А.; Салим, Мохамед А. (Сибирский федеральный университет. Siberian Federal University, 2019-04)
      We give algebraic and geometric classification of all 5-dimensional nilpotent Tortkara algebras over complex field
    • Symmetry Analysis of Ideal Fluid Equations in Terms of Trajectories and Weber’s Potential 

      Andreev, Victor K.; Krasnova, Daria A.; Андреев, Виктор К.; Краснова, Дарья А. (Сибирский федеральный университет. Siberian Federal University, 2019-04)
      The 2D perfect fluid motions equations in Lagrangian coordinates are considered. If body forces are potential one, then there is the general integral called Weber’s integral and the resulting system includes initial data ...
    • Limit Cycles for a Class of Polynomial Differential Systems Via Averaging Theory 

      Bendjeddou, Ahmed; Berbache, Aziza; Kina, Abdelkrim; Бенджедду, Ахмед; Бербаке, Азиза; Кина, Абделькрим (Сибирский федеральный университет. Siberian Federal University, 2019-04)
      In this paper, we consider the limit cycles of a class of polynomial differential systems of the form { x_ = y "(g11 (x) y2 +1 + f11 (x) y2 ) "2(g12 (x) y2 +1 + f12 (x) y2 ); y_ = x "(g21 (x) y2 +1 + f21 (x) y2) "2(g22 ...
    • Symmetries of Differential Ideals and Differential Equations 

      Kaptsov, Oleg V.; Капцов, Олег В. (Сибирский федеральный университет. Siberian Federal University, 2019-04)
      The paper deals with differential rings and partial differential equations with coefficients in some algebra. We introduce symmetries and the conservation laws to the differential ideal of an arbitrary differential ring. ...
    • The Study of Ethanol and Water Mixing Modes in the T-shaped Micromixers 

      Lobasov, Alexander S.; Shebeleva, Anna A.; Minakov, Аndrey V.; Лобасов, Александр С.; Шебелева, Анна А.; Минаков, Андрей В. (Сибирский федеральный университет. Siberian Federal University, 2019-04)
      The study of regimes of ethanol and water mixing was carried out using numerical simulation, and the dependence of the mixing efficiency of these fluids on the Reynolds number was defined. In the course of the numerical ...
    • Logarithmic Barrier Method Via Minorant Function for Linear Programming 

      Leulmi, Assma; Leulmi, Soumia; Леулми, Ассма; Леулми, Cоумия (Сибирский федеральный университет. Siberian Federal University, 2019-04)
      We propose in this study, a new logarithmic barrier approach to solve linear programming problem. We are interested in computation of the direction by Newton’s method and of the displacement step using minorant functions ...
    • The Influence of Changes in the Internal Energy of the Interface on a Two-Layer Flow in a Cylinder 

      Magdenko, Evgeniy P.; Магденко, Евгений П. (Сибирский федеральный университет. Siberian Federal University, 2019-04)
      The exact solution of the equations of the creeping flow model with the Himentsa type velocity field is considered in this paper. The solution describes thermocapillary convection in layers. It is interpreted as the ...
    • On a Quantum Logical Element Associated with the Radical of a Complex Matrix 

      Durakov, Matvey E.; Kerp, Anton S.; Lukotkin, Anton S.; Дураков, Матвей Е.; Керп, Антон С.; Лукоткин, Антон С. (Сибирский федеральный университет. Siberian Federal University, 2019-04)
      We construct new quantum logical elements realised by radicals of complex matrices. The geometry of these radicals is studied on the Reinhardt diagram
    • Data Modeling in the Solution of Difficult-to-Formalize Socio-Economic Problems 

      Simonov, Konstantin V.; Kurako, Mikhail A.; Kabanov, Alexey A.; Kapsargin, Fedor P.; Zueva, Luba F.; Ershov, Artem V.; Grib, Svetlana N.; Симонов, Константин В.; Курако, Михил А.; Кабанов, Алексей А.; Капсаргин, Федор П.; Зуева, Люба Ф.; Ершов, Артем В.; Гриб, Светлана Н. (Сибирский федеральный университет. Siberian Federal University, 2019-04)
      The research is devoted to the development of algorithms for data modeling in solution of difficult-to- formalize socially important tasks, which are connected with healthcare in terms of interconnections and interactions ...
    • Heterogeneous System MMPP/GI(2)/∞ with Random Customers Capacities 

      Pankratova, Ekaterina V.; Moiseeva, Svetlana P.; Farhadov, Mais P.; Moiseev, Alexandr; Панкратова, Екатерина В.; Моисеева, Светлана П.; Фархадов, Маис П.; Моисеев, Александр Н. (Сибирский федеральный университет. Siberian Federal University, 2019-04)
      A heterogeneous queuing system with an infinite number of servers is considered in this paper. Customers arrive in the system according to a Markov Modulated Poisson Process. The type of incoming customer is defined as ...
    • Theoretical and Numerical Result for Linear Optimization Problem Based on a New Kernel Function 

      Derbal, Louiza; Kebbiche, Zakia; Дербал, Луиза; Кеббиш, Закия (Сибирский федеральный университет. Siberian Federal University, 2019-04)
      The propose of this paper is to improve the complexity results of primal-dual interior-point methods for linear optimization (LO) problem. We define a new proximity function for (LO) by a new kernel function wich is a ...
    • Solution of Non-stationary Motion of Binary Mixture by Laplace Transformation 

      Darabi, Nemat B.; Дараби, Немат Б. (Сибирский федеральный университет. Siberian Federal University, 2019-04)
      In this paper is estimated a special solution for solving thermal diffusion equations, that describe motion of binary mixture in a flat layer. If Reynolds number is small, these equations are reduced to some easier inverse ...