ESSN 2313-6022 (электронное издание), ISSN 1997-1397 (печатное издание)

Collections in this community

Recent Submissions

  • On Seawater Conductivity Control by Acoustic Radiation 

    Shaidurov, Georgy Ya.; Kudinov, Danil S.; Fomin, Aleksey N.; Шайдуров, Георгий Я.; Кудинов, Данил С.; Фомин, Алексей Н. (Сибирский федеральный университет. Siberian Federal University, 2022-02)
    The article presents the results of studying the acoustic radiation affecting the conductivity of the seawater (a solution of salt (NaCl) in water). At a salinity of 35 g/L (% ), pressure of 500–2500 Pa (Pascal), and ...
  • Multi-Agents’ Temporal Logic using Operations of Static Agents’ Knowledge 

    Rybakov, Vladimir V.; Рыбаков, Владимир В. (Сибирский федеральный университет. Siberian Federal University, 2022-02)
    We study an agents’ temporal logic with non-standard none-transitive temporal accessibility relations and operations of static agents’ knowledge. The main mathematical problem we work with is existence of algorithms for ...
  • On the Multidimensional Boundary Analogue of the Morera Theorem 

    Myslivets, Simona G.; Мысливец, Симона Г. (Сибирский федеральный университет. Siberian Federal University, 2022-02)
    We discuss functions with the one-dimensional holomorphic extension property along com- plex lines and curves and also boundary multidimensional variants of the Morera theorem. We show how integral representations can ...
  • On a Formula for Calculating the Resultant of Two Entire Functions 

    Myshkina, Evgeniya K.; Мышкина, Евгения К. (Сибирский федеральный университет. Siberian Federal University, 2022-02)
    Using Newton’s recurrent formulae, we find the product of values of an entire function of one variable in zeroes of another entire function. This allows to answer whether they have common zeroes. By that, we propose an ...
  • Detailed Factorization Identities for Classical Discriminant 

    Mikhalkin, Evgeny N.; Nikzad, Mearajuddin; Stepanenko; Михалкин, Евгений Н.; Никзад, Меараюддин; Степаненко, Виталий А. (Сибирский федеральный университет. Siberian Federal University, 2022-02)
    A general polynomial in one variable is considered and the explicit factorization formulas for the truncations of the discriminant with respect to coordinate faces of the polynomial Newton polytope are presented. As a ...
  • On a Multidimensional Version of the Principal Theorem of Difference Equations with Constant Coefficients 

    Leinartas, Evgeny D.; Tsikh, August K.; Лейнартас, Евгений Д.; Цих, Август К. (Сибирский федеральный университет. Siberian Federal University, 2022-02)
    In the paper we consider systems of linear difference equations with discrete characteristic sets. A multidimensional version of the principal theorem of linear difference equations with constant coefficients is formulated ...
  • The Euler-Maclaurin Formula in the Problem of Summation over Lattice Points of a Simplex 

    Leinartas, Evgeniy K.; Shishkina, Olga A.; Лейнартас, Евгений К.; Шишкина, Ольга А. (Сибирский федеральный университет. Siberian Federal University, 2022-02)
    In the problem of summation over lattice points of a simplex we find an analog of the Euler–Maclaurin formula for discrete primitive function and the sum
  • Density Problem Some of the Functional Spaces for Studying Dynamic Equations on Time Scales 

    Fatima Zohra Ladrani; Amin Benaissa Cherif; Abderrahmane Beniani; Khaled Zennir; Svetlin Georgiev; Фатима Зохра Ладрани; Амин Бенаисса Шериф; Абдеррахман Бениани; Халед Зеннир; Светлин Георгиев (Сибирский федеральный университет. Siberian Federal University, 2022-02)
    In this paper we study some topological density properties of certain functional spaces on the time scales and its relationships to Lebesgue spaces in the sense of ∇-integrals on time scales. Our results are provided ...
  • Some New Congruence Identities of General Partition for pr(n) 

    B. R. Srivatsa Kumar; Shruthi Shruthi; Halgar J. Gowtham; Б.Р. Шриватса Кумар; Шрути Шрути; Хальгар Дж. Гаутам (Сибирский федеральный университет. Siberian Federal University, 2022-02)
    In the present work, we deduce some new congruences modulo 3 and 5 for pr(n), where r 2 f�����(3 + 3);�����(5 + 3) j is any non-negative integerg. Our emphasis throughout this paper is to exhibit the use of q-identities ...
  • Satisfiability in a Temporal Multi-valueted Logic Based on Z 

    Kiyatkin, Vladimir R.; Kosheleva, Anna V.; Кияткин, Владимир Р.; Кошелева, Анна В. (Сибирский федеральный университет. Siberian Federal University, 2022-02)
    In this paper we continue the series of papers by V. V. Rybakov devoted to properties of multi-valueted logics and where he propose a new approach for modelling knowledge and reasoning of agents in a multi-agent system. ...
  • Remarks on: "Generalized Contractions to Coupled Fixed Point Theorems in Partially Ordered Metric Spaces" 

    Fabiano, Nicola; Фабиано, Никола (Сибирский федеральный университет. Siberian Federal University, 2022-02)
    Remarks on the paper [1] are given and corrected proofs are presented. Their results remain correct
  • On a Spectral Problem for Convection Equations 

    Andreev, Victor K.; Uporova, Alyona I.; Андреев, Виктор К.; Упорова, Алёна И. (Сибирский федеральный университет. Siberian Federal University, 2022-02)
    Spectral problems for stationary unidirectional convective flows in vertical heat exchangers at various boundary temperature conditions are considered. The constant temperature gradient on the vertical walls is used as ...
  • NEXAFS and FTIR Spectroscopy of Co-doped SrBi2Nb2O9 

    Zhuk, Nadezhda A.; Ipatova, Elena U.; Makeev, Boris A.; Nekipelov, Sergey V.; Beznosikov, Dmitriy S.; Rychkova, Lubov V.; Жук, Надежда А.; Ипатова, Елена У.; Макеев, Борис А.; Некипелов, Сергей В.; Безнoсикoв, Дмитрий С.; Рычкoва, Любoвь В. (Сибирский федеральный университет. Siberian Federal University, 2022-02)
    The solid-phase ceramic method was used to synthesize cobalt-containing solid solutions based on SrBi2Nb2O9. NEXAFS (Near Edge X-ray Absorption Fine Structure) and IR spectroscopy were used to study the electronic state ...
  • Anisotropy of the Electromechanical Characteristics of SH-Waves and Lamb Waves in Yttrium Aluminum Borate Single Crystals 

    Turchin, Pavel P.; Burkov, Sergey I.; Turchin, Vladimir I.; Pletnev, Oleg N.; Chulkova, Marina Yu.; Nechepuryshina, Anastasia G.; Турчин, Павел П.; Бурков, Сергей И.; Турчин, Владимир И.; Плетнев, Олег Н.; Чулкова, Марина Ю.; Нечепурышина, Анастасия Г. (Сибирский федеральный университет. Siberian Federal University, 2022-02)
    The anisotropy of the electromechanical properties of SH-waves and Lamb waves in yttrium aluminum borates, which are nonmagnetic representatives of the RMe3(BO3)4 single crystals family (where R=Y, La-Lu; M=Fe, Al, Cr, ...
  • Molecular-dynamic Investigation of Silicon Carbide Fracture Under External Mechanical Loads 

    Utkin, Andrey V.; Fomin, Vasily M.; Уткин, Андрей В.; Фомин, Василий М. (Сибирский федеральный университет. Siberian Federal University, 2021-11)
    In this study, molecular dynamic simulations of quasi-static compression of silicon carbide nanorod, were performed. A longitudinal through defect in the form of a cylindrical channel was in- troduced into the central ...
  • Fracture of Protective Structures from Heavy Reinforcing Cement During Interaction with High-velocity Impactor 

    Radchenko, Pavel A.; Batuev, Stanislav P.; Radchenko, Andrey V.; Радченко, Павел А.; Батуев, Станислав П.; Радченко, Андрей В. (Сибирский федеральный университет. Siberian Federal University, 2021-11)
    In this work, the fracture of a reinforced concrete barrier made of heavy reinforced ce- ment is numerically simulated during normal interaction with a high-velocity titanium projectile. The projectile has the initial ...
  • Explicit-Implicit Schemes for Calculating the Dynamics of Layered Media with Nonlinear Conditions at Contact Boundaries 

    Nikitin, Ilia S.; Golubev, Vasily I.; Никитин, Илья С.; Голубев, Василий И. (Сибирский федеральный университет. Siberian Federal University, 2021-11)
    In this paper we consider the problem of dynamic loading of a deformable solid medium con- taining slip planes with nonlinear slip conditions on them. An explicit-implicit scheme was constructed for the numerical solution ...
  • On the Parallel Kinematics of the FET Stretching Press in the Stretch Forming Operations in the Manufacture of Parts with Complex Spatial Geometry 

    Krivenok, Anton A.; Burenin, Anatoly A.; Кривенок, Антон А.; Буренин, Анатолий А. (Сибирский федеральный университет. Siberian Federal University, 2021-11)
    The kinematics of a stretching press mechanism of a parallel structure are investigated. The kinematic dependences aimed at setting the spatial position of the working elements of a cross-stretching press of FET type, ...
  • Simulation of a Group Impact on a Heterogeneous Target of Finite Thickness 

    Kraus, Alexander E.; Kraus, Evgeny I.; Shabalin, Ivan I.; Краус, Александр Е.; Краус, Евгений И.; Шабалин, Иван И. (Сибирский федеральный университет. Siberian Federal University, 2021-11)
    Numerical simulation of the processes of high-speed loading of homogeneous and heteroge- neous targets by single projectiles, as well as by a group of projectiles with the same parameters in mass and momentum, has been ...
  • Cyclic Behavior of Simple Models in Hypoplasticity and Plasticity with Nonlinear Kinematic Hardening 

    Kovtunenko, Victor A.; Bauer, Erich; Elias, Jan; Krejcı, Pavel; Monteiro, Giselle A.; Strakova (Sivakova), Lenka; Ковтуненко, Виктор А.; Бауер, Эрих; Элиаш, Ян; Крейчи, Павел; Монтейро, Жизель А.; Стракова (Сивакова), Ленка (Сибирский федеральный университет. Siberian Federal University, 2021-11)
    The paper gives insights into modeling and well-posedness analysis driven by cyclic behavior of particular rate-independent constitutive equations based on the framework of hypoplasticity and on the elastoplastic concept ...

View more