Математика и физика. Mathematics & Physics. 2018 11 (4)

 

Ресурсы коллекции

  • Simple Mathematical Model of Conducting Nanopore 

    Zolotov, Oleg A.; Zalizniak, Viktor E.; Золотов, Олег А.; Зализняк, Виктор Е. (Сибирский федеральный университет. Siberian Federal University, 2018-08)
    A simple model of conducting nanopore is presented in the paper. The model does not require solution of the Poisson equation for the potential. This model is intended for use in simulation of transport phenomena of charged ...

  • The Research of Temperature Dependences of Electrical Conductivity and Thermopower of WS2 and WSe2 with Partial Replacement of W on Nb 

    Yakovleva, Galina E.; Romanenko, Anatoly I.; Berdinsky, Alexander S.; Kuznetsov, Vitalii A.; Ledneva, Alexandra Yu.; Fedorov, Vladimir E.; Яковлева, Галина Е.; Романенко, Анатолий И.; Бердинский, Александр С.; Кузнецов, Виталий А.; Леднева, Александра Ю; Федоров, Владимир Е. (Сибирский федеральный университет. Siberian Federal University, 2018-08)
    The temperature dependences of electrical conductivity and thermopower of tungsten disulfide and tung- sten diselenide have been investigated in this paper. These materials have the low value of electrical conductivity. ...

  • Successive Approximation for the Inhomogeneous Burgers Equation 

    Mera, Azal; Stepanenko, Vitaly A.; Tarkhanov, Nikolai; Мера, Азал; Степаненко, Виталий А.; Тарханов, Николай (Сибирский федеральный университет. Siberian Federal University, 2018-08)
    The inhomogeneous Burgers equation is a simple form of the Navier-Stokes equations. From the analytical point of view, the inhomogeneous form is poorly studied, the complete analytical solution depending closely on the ...

  • Uniqueness of a Solution of an Ice Plate Oscillation Problem in a Channel 

    Shishmarev, Konstantin A.; Papin, Alexander A.; Шишмарев, Константин А.; Папин, Александр А. (Сибирский федеральный университет. Siberian Federal University, 2018-08)
    In this paper an initial-boundary value problem for two mathematical models of elastic and viscoelastic oscillations of a thin ice plate in an infinite channel under the action of external load is considered in terms of ...

  • Mathematical Modelling of Krasnoyarsk Transportation Web: Preliminary Results 

    Sadovsky, Michael G.; Bukharova, Eugenia B.; Tokarev, Alexej V.; Yakubailik, Oleg E.; Садовский, Михаил Г.; Бухарова, Евгения Б.; Токарев, Алексей В.; Якубайлик, Олег Э. (Сибирский федеральный университет. Siberian Federal University, 2018-08)
    Graph-based model of Krasnoyarsk transportation web is proposed, with high resolution degree. Some preliminary results towards the properties of the web are considered. In particular, it is shown the traffic mapping has ...

  • Theoretical Study of Electrolyte Diffusion through Polarizable Nanopores 

    Ryzhkov, Ilya I.; Vyatkin, Anton S.; Minakov, Andrey V.; Рыжков, Илья И.; Вяткин, Антон С.; Минаков, Андрей В. (Сибирский федеральный университет. Siberian Federal University, 2018-08)
    The diffusion of binary aqueous electrolytes through nanopores with dielectric as well as conductive surface is investigated theoretically on the basis of Space–Charge model. The latter is extended to the case of polarizable ...

  • Antiplane Strain of Hardening Elastoviscoplastic Medium 

    Prokudin, Aleksandr N.; Firsov, Sergey V.; Прокудин, Александр Н.; Фирсов, Сергей В. (Сибирский федеральный университет. Siberian Federal University, 2018-08)
    Deforming of hardening elastoviscoplastic medium under the action of variable pressure gradient is con- sidered in this paper. The displacement vector of material points has only vertical component. Mathe- matical model ...

  • Synthesis and Magnetic Properties of Crystals Bi₂BaFe₄O₁ ₀ 

    Mataev, Mukhametkali M.; Patrin, Gennady S.; Abdraymova, Moldir R.; Tursinova, Zhanar I.; Yurkin, Gleb Yu.; Матаев, Мухаметкали М.; Патрин, Геннадий С.; Абдраймова, Молдир Р.; Турсинова, Жанар И.; Юркин, Глеб Ю. (Сибирский федеральный университет. Siberian Federal University, 2018-08)
    The paper presents the results of an experimental study of the first synthesized compound in the system Bi2O3-BaO-Fe2O3. It was found that the compound has cubic symmetry, the lattice parameters was determined. Electron ...

  • On Completeness of Multifunction Set of Rank 2 

    Badmaev, Sergey A.; Sharankhaev, Ivan K.; Бадмаев, Сергей А.; Шаранхаев, Иван К. (Сибирский федеральный университет. Siberian Federal University, 2018-08)
    The problem of completeness of the set of functions from a finite set A to set of all subsets of A is studied. Functions of this kind are called multifunctions on A, they generalize the well-known class of functions of ...

  • A Priori Estimates of the Adjoint Problem Describing the Slow Flow of a Binary Mixture and a Fluid in a Channel 

    Andreev, Victor K.; Efimova, Marina V.; Андреев, Виктор К.; Ефимова, Марина В. (Сибирский федеральный университет. Siberian Federal University, 2018-08)
    We obtain a priori estimates of the solution in the uniform metric for a linear conjugate initial-boundary inverse problem describing the joint motion of a binary mixture and a viscous heat-conducting liquid in a plane ...

  • Formation of Onion-like Structures from Pitch Coke under Pressure 

    Kulnitskiy, Boris A.; Churkin, Valentin D.; Popov, Mikhail Yu.; Dmitriev, Anton V.; Perezhogin, Igor A.; Ivanov, Leonid A.; Blank, Vladimir D.; Кульницкий, Борис А.; Чуркин, Валентин Д.; Попов, Михаил Ю; Дмитриев, Антон В.; Пережогин, Игорь А.; Иванов, Леонид А.; Бланк, Владимир Д. (Сибирский федеральный университет. Siberian Federal University, 2018-08)
    Carbon structures containing oxygen are promising in regard to their industrial application. In this work, we studied coke pitch produced on the basis of melted coal tar pitch mixed with thermally expanded graphite. A ...

  • Band Structure Modification Due to the Spin-orbit Coupling in the Three-orbital Model for Iron Pnictides 

    Korshunov, Maxim M.; Togushova, Yuliya N.; Коршунов, Максим М.; Тогушова, Юлия Н. (Сибирский федеральный университет. Siberian Federal University, 2018-08)
    We study the effect of the spin-orbit coupling on the band structure and the Fermi surface of the three- orbital model within the two-iron Brillouin zone. Due to the presence of two irons in the crystallographi- cally ...

  • A Nonlocal Boundary Value Problem with Constant Coefficients for the Multidimensional Second Order Equation of Mixed Type of the Second Kind 

    Dzhamalov, Sirojiddin Z.; Джамалов, Сирожиддин З. (Сибирский федеральный университет. Siberian Federal University, 2018-08)
    Multidimensional second order equation of the mixed type of the second kind is considered in the paper. Unique solvability and smoothness of the solution of a nonlocal boundary value problem with constant coefficients ...

  • On a Second Order Linear Parabolic Equation with Variable Coefficients in a Non-Regular Domain of R³ 

    Boulkouane, Ferroudj; Kheloufi, Arezki; Булкоан, Ферроди; Келуфи, Арезки (Сибирский федеральный университет. Siberian Federal University, 2018-08)
    This paper is devoted to the study of the following variable-coefficient parabolic equation in non-divergence form @tu ����� Σ2 i=1ai(t;x 1; x2)@iiu +Σ2i=1bi(t; x1; x2)@iu + c(t; 1; x2)u = f(t; x1; x2); subject to ...