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Перегляд Журнал математической физики, анализа, геометрии за назвою

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Перегляд Журнал математической физики, анализа, геометрии за назвою

Сортувати за: Порядок: Результатів:

  • On isometric dilations of commutative systems of linear operators 
    Zolotarev, V.A. (Журнал математической физики, анализа, геометрии, 2005)
  • 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 Linear Relations Generated by a DiRerential Expression and by a Nevanlinna Operator Function 
    Bruk, V.M. (Журнал математической физики, анализа, геометрии, 2011)
    The families of maximal and minimal relations generated by a differential expression with bounded operator coe±cients and by a Nevanlinna operator function are defined. These families are proved to be holomorphic. In the ...
  • On Linear Relations Generated by Nonnegative Operator Function and Degenerate Elliptic Differential-Operator Expression 
    Bruk, V.M. (Журнал математической физики, анализа, геометрии, 2009)
    In terms of boundary values, we describe a spectrum of the linear relations indicated in the paper title. We study the invertible restrictions of maximal relation and show that the operators inverse to these restrictions ...
  • On Model Representations of Non-Selfadjoint Operators with Infinitely Dimensional Imaginary Component 
    Hatamleh, R.; Zolotarev, V.A. (Журнал математической физики, анализа, геометрии, 2015)
    For an entirely non-selfadjoint operator with spectrum at zero, the imaginary component of which has an absolutely continuous spectrum (not necessarily dissipative and having lacunas in the spectrum), triangular and ...
  • 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 ...
  • 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 ...
  • 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 One Nonlinear Boundary-Value Problem in Kinetic Theory of Gases 
    Khachatryan, A.Kh.; Khachatryan, Kh.A.; Sardaryan, T.H. (Журнал математической физики, анализа, геометрии, 2014)
    In the paper, the solvability of one nonlinear boundary-value problem arising in kinetic theory of gases is studied. We prove the existence of global solvability of a boundary-value problem in the Sobolev space W¹∞ (R+). ...
  • 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 ...
  • On Pseudospherical Surfaces in E⁴ with Grassmann Image of Prescribed Type 
    Gorkavyy, V. (Журнал математической физики, анализа, геометрии, 2006)
    It is demonstrated that there exist surfaces of constant negative Gauss curvature in E⁴ whose Grassmann image consists of either hyperbolic or parabolic or elliptic points. As a consequence, there exist surfaces of constant ...
  • 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 ...
  • On Sets with Extremely Big Slices 
    Ivakhno, Ye. (Журнал математической физики, анализа, геометрии, 2006)
    A new characterization of the Radon-Nikodym property in terms of sizes of slices and equivalent norms is presented. A property opposite to the Radon-Nikodym property is studied in the context of 1-unconditional sums of ...
  • On Singular Limit and Upper Semicontinuous Family of Attractors of Thermoviscoelastic Berger Plate 
    Potomkin, M. (Журнал математической физики, анализа, геометрии, 2010)
    A system of partial differential equations with integral terms which take into account hereditary effects is considered. The system describes a behaviour of thermoviscoelastic plate with Berger's type of nonlinearity. The ...
  • On Spaces of Boundary Values for Relations Generated by a Formally Selfadjoint Expression and a Nonnegative Operator Function 
    Bruk, V.M. (Журнал математической физики, анализа, геометрии, 2006)
    The space of boundary values for a maximal relation generated by a formally selfadjoint di erential expression and a nonnegative operator function is constructed.
  • On Spectral Properties of the L Operator in the Lax Pair of the sine-Gordon Equation 
    Kappeler, T.; Widmer, Y. (Журнал математической физики, анализа, геометрии, 2018)
    We analyze the periodic spectrum of the L operator in the Lax pair of the sine-Gordon equation in terms of the regularity of the potential.
  • On Spectrum of Differential Operator with Block-Triangular Matrix Coefficients 
    Kholkin, A.M.; Rofe-Beketov, F.S. (Журнал математической физики, анализа, геометрии, 2014)
    For the Sturm-Louville equation with block-triangular matrix potential that increases at infinity, both increasing and decreasing at infinity matrix solutions are found. The structure of spectrum for the differential ...
  • On Stability and Stabilization of Perturbed Time Scale Systems with Gronwall Inequalities 
    Ben Nasser, B.; Boukerrioua, K.; Hammami, M.A. (Журнал математической физики, анализа, геометрии, 2015)
    In the paper, new nonlinear time scale integral inequalities are given. By means of the explicit integral bounds, we derive suffcient conditions for the uniform asymptotic stability of perturbed systems on time scales. In ...
  • On Stability of a Unit Ball in Minkowski Space with Respect to Self-Area 
    Shcherba, A.I. (Журнал математической физики, анализа, геометрии, 2011)
    The author expresses his sincere gratitude to V.I. Diskant for his useful discussions of the considered problem.
  • On Stability of Polynomially Bounded Operators 
    Muraz, G.; Quoc Phong Vu (Журнал математической физики, анализа, геометрии, 2007)
    We prove that if T is a polynomially bounded operator and the peripheral spectrum of T has zero measure, then Tⁿx → 0 for all x in X if and only if T* has no nontrivial invariant subspace on which it is invertible and ...

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