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Перегляд Журнал математической физики, анализа, геометрии, 2017 (том 13) за датою випуску

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Перегляд Журнал математической физики, анализа, геометрии, 2017 (том 13) за датою випуску

Сортувати за: Порядок: Результатів:

  • On the Abstract Inverse Scattering Problem for Trace Class Perturbations 
    Hatamleh, R.; Zolotarev, V.A. (Журнал математической физики, анализа, геометрии, 2017)
    The scattering problem for a pair of selfadjoint operators {L₀, L}, where L - L₀ is of trace-class, is studied. The explicit form of the scattering matrix and its properties are defined. The equation for the inverse problem ...
  • On Robust Feedback for Systems with Multidimensional Control 
    Korobov, V.I.; Revina, T.V. (Журнал математической физики, анализа, геометрии, 2017)
    The paper deals with local robust feedback synthesis problem for systems with multidimensional control and unknown bounded perturbations. Using V.I. Korobov's controllability function method, a bounded control which steers ...
  • Continuous Functions with Complicated Local Structure Defined in Terms of Alternating Cantor Series Representation of Numbers 
    Serbenyuk, S.O. (Журнал математической физики, анализа, геометрии, 2017)
    The paper is devoted to one infinite parametric class of continuous functions with complicated local structure such that these functions are defined in terms of alternating Cantor series representation of numbers. The main ...
  • Distribution of Eigenvalues of Sample Covariance Matrices with Tensor Product Samples 
    Tieplova, D. (Журнал математической физики, анализа, геометрии, 2017)
    We consider the n² × n² real symmetric and hermitian matrices Mₙ, which are equal to the sum mn of tensor products of the vectors Xμ = B(Yμ ⊗ Yμ), μ = 1, . . . ,mn, where Yμ are i.i.d. random vectors from Rⁿ(Cⁿ) with zero ...
  • Asymptotic Behavior of Fractional Derivatives of Bounded Analytic Functions 
    Chyzhykov, I.; Kosaniak, Yu. (Журнал математической физики, анализа, геометрии, 2017)
    We find sharp sufficient conditions for the boundedness of fractional derivatives of a bounded analytic function in a Stolz angle. If F ≠ 0 in the unit disc, the necessary and sufficient conditions for the boundedness of ...
  • Maxwell-Bloch Equations without Spectral Broadening: Gauge Equivalence, Transformation Operators and Matrix Riemann-Hilbert Problems 
    Filipkovska, M.S.; Kotlyarov, V.P.; Melamedova, E.A. (Журнал математической физики, анализа, геометрии, 2017)
    A mixed initial-boundary value problem for nonlinear Maxwell{Bloch (MB) equations without spectral broadening is studied by using the inverse scattering transform in the form of the matrix Riemann{Hilbert (RH) problem. We ...
  • Homogenized Model of Non-Stationary Diffusion in Porous Media with the Drift 
    Goncharenko, M.; Khilkova, L. (Журнал математической физики, анализа, геометрии, 2017)
    We consider an initial boundary-value problem for a parabolic equation describing non-stationary diffusion in porous media with non-linear absorption on the boundary and the transfer of the diffusing substance by fluid. ...
  • On One Class of Non-Dissipative Operators 
    Levchuk, V.N. (Журнал математической физики, анализа, геометрии, 2017)
    The non-dissipative operator of integration is studied in the weight space. Its similarity to the operator of integration in the space without weight is proved. The functional model for this operator is obtained.
  • On the Long-Time Asymptotics for the Korteweg-de Vries Equation with Steplike Initial Data Associated with Rarefaction Waves 
    Andreiev, K.; Egorova, I. (Журнал математической физики, анализа, геометрии, 2017)
    We discuss an asymptotical behavior of the rarefaction wave for the KdV equation in the region behind the wave front. The first and the second terms of the asymptotical expansion for such a solution with respect to large ...
  • Comparison of Solutions of the Nonlinear Transfer Equation 
    Kholkin, A.M.; Sanikidze T.A. (Журнал математической физики, анализа, геометрии, 2017)
    The paper considers the evolution of nonlinear equation describing the process of energy transfer by radiation. The comparison theorem for the solutions of this equation is formulated and proved.
  • On Compact Super Quasi-Einstein Warped Product with Nonpositive Scalar Curvature 
    Pahan, S.; Pal, B.; Bhattacharyya, A. (Журнал математической физики, анализа, геометрии, 2017)
    This note deals with super quasi-Einstein warped product spaces. Here we establish that if M is a super quasi-Einstein warped product space with nonpositive scalar curvature and compact base, then M is simply a Riemannian ...
  • Fluctuations of Interlacing Sequences 
    Sodin, S. (Журнал математической физики, анализа, геометрии, 2017)
    In a series of works published in the 1990s, Kerov put forth various applications of the circle of ideas centered at the Markov moment problem to the limiting shape of random continual diagrams arising in representation ...
  • On Properties of Root Elements in the Problem on Small Motions of Viscous Relaxing Fluid 
    Zakora, D. (Журнал математической физики, анализа, геометрии, 2017)
    In the present work, the properties of root elements of the problem on small motions of a viscous relaxing fluid completely filling a bounded domain are studied. A multiple p-basis property of special system of elements ...
  • Михаил Леонидович Содин (к шестидесятилетию со дня рождения) 
    Автор відсутній (Журнал математической физики, анализа, геометрии, 2017)
  • Михаил Самуилович Лившиц 1917–2007 (к столетию со дня рождения) 
    Автор відсутній (Журнал математической физики, анализа, геометрии, 2017)
    В этом году 4 июля исполнилось 100 лет со дня рождения выдающегося математика, чудесного человека Михаила Самуиловича Лившица.
  • Author index to volume 13 for year 2017 
    Автор відсутній (Журнал математической физики, анализа, геометрии, 2017)
  • Евгений Яковлевич Хруслов (к восьмидесятилетию со дня рождения) 
    Автор відсутній (Журнал математической физики, анализа, геометрии, 2017)
    7 января 2017 г. исполнилось 80 лет замечательному математику, академику НАН Украины, президенту Харьковского математического общества, одному из основателей современной математической теории усреднения Евгению Яковлевичу ...
  • On m-Sectorial Extensions of Sectorial Operators 
    Arlinskii, Yu.; Popov, A, (Журнал математической физики, анализа, геометрии, 2017)
    We study maximal sectorial extensions of an arbitrary closed densely defined sectorial operator. In particular, abstract boundary conditions for these extensions are obtained. The results are applied for the parametrization ...
  • Notes on Ricci Solitons in f-Cosymplectic Manifolds 
    Chen, X. (Журнал математической физики, анализа, геометрии, 2017)
    The purpose of the article is to study an f-cosymplectic manifold M admitting Ricci solitons. Here we consider mainly two classes of Ricci solitons on f-cosymplectic manifolds. One is the class of contact Ricci solitons. ...
  • Approximate Solving of the Third Boundary Value Problems for Helmholtz Equations in the Plane with Parallel Cuts 
    Dushkin, V.D. (Журнал математической физики, анализа, геометрии, 2017)
    In the paper, the method of approximate solution of boundary integral equations of the original problem is proposed. The systems of boundary integral equations of the problem are obtained by the method of parametric ...

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