Научные публикации в Scopus: Новые поступления

  • Under the Weight of the Soviet Legacy and Political Repressions: The Radical Left in Late Soviet and Post-Soviet Russia 
    Sergeev S.; Kuznetsova A. (2021)
    Mass protest movements of the early 2010s, particularly the Occupy movement, stimulated the rise of radical left organizations globally. In Southern Europe, radical left parties celebrated their first electoral successes. ...
  • Existence of Solutions of Anisotropic Elliptic Equations with Variable Indices of Nonlinearity in ℝ<sup>n</sup> 
    Kozhevnikova L.M.; Kamaletdinov A.S. (2021)
    In this paper, we consider a certain class of anisotropic second-order elliptic equations of divergent type with variable indices of nonlinearities. We examine conditions of the solvability in the whole space ℝn, n ≥ 2. ...
  • Direct Projective Modules, Direct Injective Modules, and their Generalizations 
    Abyzov A.N.; Tuganbaev A.A.; Tapkin D.T.; Cong Q.T. (2021)
    This paper contains new and previously known results on modules that are close to direct projective and direct injective modules. The main results are presented with proofs.
  • Modules that are Invariant with Respect to Automorphisms and Idempotent Endomorphisms of Their Hulls and Covers 
    Abyzov A.N.; Quynh T.C.; Tuganbaev A.A. (2021)
    The paper contains both known and new results on automorphism-invariant modules, automorphism-coinvariant modules and modules which are invariant or coinvariant with respect to idempotent endomorphisms of its hull and its ...
  • Degree Spectra of Structures 
    Kalimullin I.S.; Selivanov V.L.; Frolov A.N. (2021)
    In this survey, we discuss computability spectra of countable structures that provide a natural measure of non-computability of a structure. This notion is a main tool for investigating algorithmic properties of countable ...
  • On the Homological Classification of Semirings 
    Il’in S.N. (2021)
    In this paper, we present results on the homological classification of semirings for the last ten years and certain new results.
  • Computable Presentability of Countable Linear Orders 
    Frolov A.N. (2021)
    The main goal of this paper is to study algorithmic properties of countable linear orders by constructing effective presentations of these structures on the set of natural numbers. In 1991, C. Jockusch and R. Soare constructed ...
  • Subrings of Invariants for Actions of Finite-Dimensional Hopf Algebras 
    Skryabin S.M. (2021)
    This paper is a survey of recent works on invariants of actions of Hopf algebras. Its highlights are results on integrality of H-module PI algebras over subrings of invariant elements obtained by P. Etingof and M. Eryashkin. ...
  • Computable Linear Orders and Limitwise Monotonic Functions 
    Frolov A.N.; Zubkov M.V. (2021)
    In this paper, we describe the technique of extremely monotonic functions in the theory of computable linear orders. The basic definitions of extremely monotonic functions and their generalizations are given, and a number ...
  • Precomplete Numberings 
    Selivanov V.L. (2021)
    In this survey, we discuss the theory of precomplete numberings, which appear frequently in computability theory. Precomplete numberings are closely related to some versions of the fixed-point theorem having an important ...
  • Degrees of Enumerations of Countable Wehner-Like Families 
    Kalimullin I.S.; Faizrahmanov M.K. (2021)
    This paper is a survey of results on countable families with natural degree spectra. These results were obtained by a modification of the methodology proposed by Wechner, who first found a family of sets with the spectrum ...
  • Turing Computability: Structural Theory 
    Arslanov M.M.; Yamaleev M.M. (2021)
    In this work, we review results of the last years related to the development of the structural theory of n-c.e. Turing degrees for n > 1. We also discuss possible approaches to solution of the open problems.
  • On Entropy Solutions of Anisotropic Elliptic Equations with Variable Nonlinearity Indices in Unbounded Domains 
    Kozhevnikova L.M. (2021)
    For a class of second-order anisotropic elliptic equations with variable nonlinearity indices and summable right-hand sides, we consider the Dirichlet problem in arbitrary unbounded domains. We prove the existence and ...
  • Nonnegative Chainable Matrices 
    Al’pin Y.A.; Bashkin I.V. (2021)
    A description of nonnegative chainable matrices, based on fully indecomposable matrices, is given. The notion of the chainable rank of a nonnegative matrix is introduced and investigated. Properties of chainable matrices ...
  • Bohr Inequalities in Some Classes of Analytic Functions 
    Ismagilov A.A.; Kayumova A.V.; Kayumov I.R.; Ponnusamy S. (2021)
    The paper is a review of the latest results of I. R. Kayumov and S. Ponnusamy on the Bohr inequality. An exact estimate in the strong Bohr inequality is obtained and the Bohr–Rogosinski radius for a certain class of ...
  • Trace and Commutators of Measurable Operators Affiliated to a Von Neumann Algebra 
    Bikchentaev A.M. (2021)
    In this paper, we present new properties of the space L1(M, τ) of integrable (with respect to the trace τ) operators affiliated to a semifinite von Neumann algebra M. For self-adjoint τ-measurable operators A and B, we ...
  • Brezis–Marcus Problem and its Generalizations 
    Avkhadiev F.G. (2021)
    Certain Hardy inequalities in domains of Euclidean space contain sharp but unreachable constants. V. G. Maz’ya and other authors used this fact to improve the corresponding inequalities by adding new integral terms. In ...
  • Optical properties of a new decorative stone—rayizite 
    Solomonov V.I.; Spirina A.V.; Popov M.P.; Makarova A.S.; Nikolaev A.G.; Orlov A.N. (2021)
    In this paper, we present the findings of research on absorption spectra, reflection spectra, and luminescence spectra for a new decorative stone—rayizite, which is a mixture of antigorite, dolomite, and a small amount of ...
  • Soap film on two noncircular frames 
    Alimov M.M.; Bazilevsky A.V.; Kornev K.G. (2021)
    The classical Plateau problem of finding minimal surfaces supported by two noncircular coaxial rings is studied theoretically and experimentally. Using a fluid dynamics analogy, we generalize the classical catenoid solution ...
  • Polarity and Conformational Analysis of Tri(1-naphthyl)phosphine, Tri(2-naphthyl)phosphine, and Their Chalcogenides 
    Kuznetsova A.A.; Chachkov D.V.; Belogorlova N.A.; Kuimov V.A.; Malysheva S.F.; Vereshchagina Y.A. (2021)
    Abstract: The polarity and structure of tri(1- or 2-naphthyl)phosphines and their chalcogenides were determined by the methods of dipole moments, IR spectroscopy, and DFT quantum-chemical calculations at the B3PW91/6-311++G(df,p) ...

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