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Перегляд Журнал математической физики, анализа, геометрии, 2013 (том 9) за назвою

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Перегляд Журнал математической физики, анализа, геометрии, 2013 (том 9) за назвою

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  • Affine Submanifolds of Rank Two 
    Shugailo, O.O. (Журнал математической физики, анализа, геометрии, 2013)
    In the paper we study the complete connected affine submanifolds f : M^n → R^n+m of rank two, i.e., the strongly (n - 2)-parabolic submanifolds according to A. Borisenko. The structures of these submanifolds are described ...
  • Analogs of Generalized Resolvents for Relations Generated by a Pair of Differential Operator Expressions One of which Depends on Spectral Parameter in Nonlinear Manner 
    Khrabustovskyi, V. (Журнал математической физики, анализа, геометрии, 2013)
    For the relations generated by a pair of differential operator expressions one of which depends on the spectral parameter in the Nevanlinna manner we construct the analogs of the generalized resolvents which are ...
  • An Application of Kadets-Pełczyński Sets to Narrow Operators 
    Krasikova, I.V.; Popov, M.M. (Журнал математической физики, анализа, геометрии, 2013)
    A known analogue of the Pitt compactness theorem for function spaces asserts that if 1 ≤ p < 2 and p < r < ∞, then every operator T : Lp → Lr is narrow. Using a technique developed by M.I. Kadets and A. Pełczyński, we prove ...
  • A Note on Operator Equations Describing the Integral 
    König, H.; Milman, V. (Журнал математической физики, анализа, геометрии, 2013)
    We study operator equations generalizing the chain rule and the substitution rule for the integral and the derivative of the type f ○ g + c = I (Tf ○ g ∙ Tg), f, g є C¹(R), (1) where T : C¹ (R) → C(R) and where I is ...
  • A Remark on Condensation of Singularities 
    Hardtke, J.-D. (Журнал математической физики, анализа, геометрии, 2013)
    Recently Alan D. Sokal in Amer. Math. Monthly 118 (2011), No. 5, 450-452, gave a very short and completely elementary proof of the uniform boundedness principle. The aim of this note is to point out that by using a similar ...
  • Complexity of Initial Value Problems in Banach Spaces 
    Heinrich, S. (Журнал математической физики, анализа, геометрии, 2013)
    We study the complexity of initial value problems for Banach space valued ordinary differential equations in the randomized setting. The right- hand side is assumed to be r-smooth, the r-th derivatives being ϱ-Hölder ...
  • Conditions on a Surface F² is subset of Eⁿ to lie in E⁴ 
    Aminov, Yu.A.; Nasiedkina, Ia. (Журнал математической физики, анализа, геометрии, 2013)
    We consider a surface F² in Eⁿ with a non-degenerate ellipse of normal curvature whose plane passes through the corresponding surface point. The definition of three types of points is given in dependence of the position ...
  • Dependence of Kolmogorov Widths on the Ambient Space 
    Oikhberg, T.; Ostrovski, i M.I. (Журнал математической физики, анализа, геометрии, 2013)
    We study the dependence of the Kolmogorov widths of a compact set on the ambient Banach space.
  • Eigenfunctions of the Cosine and Sine Transforms 
    Katsnelson, V. (Журнал математической физики, анализа, геометрии, 2013)
    A description of the eigensubspaces of the cosine and sine operators is given. The spectrum of each of these two operators consists of two eigen- values 1, -1 and their eigensubspaces are infinite{dimensional. There are ...
  • Erratum to the paper F.S. Rofe-Beketov "Operator-Theoretical Proof of the Arnold Alternation Theorem and its Generalization" 
    Автор відсутній (Журнал математической физики, анализа, геометрии, 2013)
  • Integral Transforms with Non-separated Variables and Discontinuous Coefficients 
    Yaremko, O.E. (Журнал математической физики, анализа, геометрии, 2013)
    Multidimensional integral transforms with non-separated variables for discontinuous coefficients problems are constructed in the case where the coefficient discontinuities are on the parallel hyperplanes. Explicit kernel ...
  • Interaction between "Accelerating-Packing" Flows for the Bryan-Pidduck Model 
    Gukalov, A.A. (Журнал математической физики, анализа, геометрии, 2013)
    The interaction between the "accelerating-packing" flows in a gas of rough spheres is studied. A bimodal distribution with the Maxwellian modes of special forms is used. Different sufficient conditions for the minimization ...
  • Inverse Problems for Jacobi Operators II: Mass Perturbations of Semi-Infinite Mass-Spring Systems 
    del Rio, R.; Kudryavtsev, M.; Silva, L.O. (Журнал математической физики, анализа, геометрии, 2013)
    We consider an inverse spectral problem for infinite linear mass-spring systems with different configurations obtained by changing the first mass. We give results on the reconstruction of the system from the spectra of two ...
  • Inverse Scattering Problem for One-Dimensional Schrödinger Equation with Discontinuity Conditions 
    Huseynov, H.M.; Osmanli, J.A. (Журнал математической физики, анализа, геометрии, 2013)
    The direct and inverse scattering problems for the second order ordinary differential equation on the whole axis with discontinuity conditions at some point are considered.
  • Isomorphically Polyhedral Banach Spaces 
    Fonf, V.P.; Pallarés, A.J.; Troyanski, S. (Журнал математической физики, анализа, геометрии, 2013)
    We prove two theorems giving su±cient conditions for a Banach space to be isomorphically polyhedral.
  • Lie Invariant Shape Operator for Real Hypersurfaces in Complex Two-Plane Grassmannians II 
    Jeong, I.; Pak, E.; Suh, Y.J. (Журнал математической физики, анализа, геометрии, 2013)
    A new notion of the generalized Tanaka-Webster D┴-invariant for a hypersurface M in G₂(C^m+2) is introduced, and a classification of Hopf hypersurfaces in (C^m+2) with generalized Tanaka-Webster D┴-invariant shape operator ...
  • Local and Global Stability of Compact Leaves and Foliations 
    Zhukova, N.I. (Журнал математической физики, анализа, геометрии, 2013)
    The equivalence of the local stability of a compact foliation to the completeness and the quasi analyticity of its pseudogroup is proved. It is also proved that a compact foliation is locally stable if and only if it has ...
  • On Analytic and Subharmonic Functions in Unit Disc Growing Near a Part of the Boundary 
    Favorov, S.Yu.; Radchenko, L.D. (Журнал математической физики, анализа, геометрии, 2013)
    In the paper there was found an analog of the Blaschke condition for analytic and subharmonic functions in the unit disc, which grow at most as a given function j near some subset of the boundary.
  • On Isomorphism Between Certain Group Algebras on the Heisenberg Group 
    Egwe, M.E.; Bassey, U.N. (Журнал математической физики, анализа, геометрии, 2013)
    Let IHn denote the (2n + 1)-dimensional Heisenberg group and let K be a compact subgroup of Aut(IHn); the group of automorphisms of IHn. We prove that the algebra of radial functions on IHn and the algebra of spherical ...
  • On Non-Gaussian Limiting Laws for Certain Statistics of Wigner Matrices 
    Lytova, A. (Журнал математической физики, анализа, геометрии, 2013)
    This paper is a continuation of our papers [12-14] in which the limiting laws of fluctuations were found for the linear eigenvalue statistics Tr φ(M⁽ⁿ⁾) and for the normalized matrix elements √nφjj(M⁽ⁿ⁾) of differentiable ...

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