Наукова електронна бібліотека
періодичних видань НАН України

Перегляд Український математичний вісник за назвою

Репозиторій DSpace/Manakin

Перегляд Український математичний вісник за назвою

Сортувати за: Порядок: Результатів:

  • n-distributivity and n-modularity in lattices 
    Skowronek-Kaziow, J. (Український математичний вісник, 2004)
    In this paper we consider some forbidden sublattices for n-distributive, but non-modular lattices. We define the new notion of n-modularity (weaker than n-distributivity). We also consider some forbidden sublattice for an ...
  • Neumann problem in a disk for fourth-order improperly elliptic equations 
    Buryachenko, K.O.; Kudrych, Y. (Український математичний вісник, 2017)
    We have established and investigated the sufficient conditions of solvability of the Neumann problem for all classes of fourth-order improperly elliptic equatios in a unit disk K in the space C⁴(K) ∩ C³,ª(K).
  • Nonlinear calculus of variations for differential flows on manifolds: geometrically correct introduction of covariant and stochastic variations 
    Antoniouk, A.Val; Antoniouk, A.Vict. (Український математичний вісник, 2004)
    We consider flows, generated by nonlinear differential equations on manifold that could also contain random terms and correspond to the second order parabolic equations. We demonstrate that the rigorous statement of the ...
  • On 2-primal Ore extensions 
    Bhat, V.K. (Український математичний вісник, 2007)
    Let R be a ring, be an automorphism of R and δ be a σ-derivation of R. We define a δ property on R. We say that R is a δ-ring if aδ(a) ∊ P(R) implies a ∊ P(R), where P(R) denotes the prime radical of R. We ultimately ...
  • On a classical solvability of a Florin problem 
    Bizhanova, G.I. (Український математичний вісник, 2008)
    There is considered the multidimensional two-phase Stefan problem with a small parameter k at the velocity of a free boundary in a Stefan condition. The unique solvability and coercive uniform with respect to k estimate ...
  • On a model semilinear elliptic equation in the plane 
    Gutlyanskii, V.Y.; Nesmelova, O.V.; Ryazanov, V.I. (Український математичний вісник, 2016)
    Assume that Ω is a regular domain in the complex plane C and A(z) is symmetric 2 × 2 matrix with measurable entries, det A = 1 and such that 1/K|ξ|² ≤ 〈A(z)ξ, ξ〉 ≤ K|ξ|², ξ ∊ R², 1 ≤ K < ∞. We study the blow-up problem ...
  • On conformal invariants in problems of constructive function theory on sets of the real line 
    Andrievskii, V.V. (Український математичний вісник, 2004)
    This is a survey of some recent results by the author and his collaborators in the constructive theory of functions of a real variable. The results are achieved by the application of methods and techniques of modern geometric ...
  • On convergence theory for Beltrami equations 
    Ryazanov, V.; Srebro, U.; Yakubov, E. (2008)
    This paper is devoted to convergence theorems which play an important role in our scheme for deriving theorems on the existence of solutions of the Beltrami equations.
  • On geodesic bifurcations of product spaces 
    Ryparova, L.; Mikes, J.; Sabykanov, A. (Український математичний вісник, 2018)
    The bifurcation is described as a situation where there exist at least two different geodesics going through the given point in the given direction. In the previous works, the examples of local and closed bifurcations are ...
  • On integral conditions in the mapping theory 
    Ryazanov, V.; Srebro, U.; Yakubov, E. (Український математичний вісник, 2010)
    It is established interconnections between various integral conditions that play an important role in the theory of space mappings and in the theory of degenerate Beltrami equations in the plane.
  • On kinetic formulation of first-order hyperbolic quasilinear systems 
    Panov, E.Yu. (Український математичний вісник, 2004)
    We give kinetic formulation of measure valued and strong measure valued solutions to the Cauchy problem for a first-order quasilinear equation. For the corresponding kinetic equation the class of existence and uniqueness ...
  • On properties of functions from Lizorkin-Triebel-Morrey type spaces 
    Najafov, A.M.; Gasimova, A.M. (Український математичний вісник, 2018)
    We have introduced new functional spaces of the Lizorkin–Triebel–Morrey type, and a Sobolev-type inequality is proved. We have also shown that the generalized derivatives of functions from this spaces satisfy the generalized ...
  • On quasiconformal maps and semi-linear equations in the plane 
    Gutlyanskii, V.Y.; Nesmelova, O.V.; Ryazanov, V.I. (Український математичний вісник, 2017)
    Assume that Ω is a domain in the complex plane C and A(z) is symmetric 2× 2 matrix function with measurable entries, det A = 1 and such that 1/K|ξ|²≤ 〈A(z)ξ, ξ〉 ≤ K|ξ|², ξ ∊ R², 1 ≤ K < ∞. In particular, for semi-linear ...
  • On recent advances in boundary value problems in the plane 
    Gutlyanskii, V.Y.; Ryazanov, V.I. (Український математичний вісник, 2016)
    The survey is devoted to recent advances in nonclassical solutions of the main boundary value problems such as the well–known Dirichlet, Hilbert, Neumann, Poincare and Riemann problems in the plane. Such solutions are ...
  • On recent advances in the Beltrami equations 
    Gutlyanskii, V.; Ryazanov, V.; Srebro, U.; Yakubov, E. (Український математичний вісник, 2010)
    We give an exposition of the recent progress in the theory of the Beltrami equations with the degeneration.
  • On the boundary-value problems for quasiconformal functions in the plane 
    Gutlyanskii, V.Y.; Ryazanov, V.I.; Yefimushkin, A.S. (Український математичний вісник, 2015)
    Generalized solvability of the classical boundary value problems for analytic and quasiconformal functions in arbitrary Jordan domains with boundary data that are measurable with respect to the logarithmic capacity is ...
  • On the Cauchy theorem for hyperholomorphic functions of spatial variable 
    Herus, O.F. (Український математичний вісник, 2017)
    We proved a theorem about the integral of quaternionic-differentiable functions of spatial variable over the closed surface. It is an analog of the Cauchy theorem from complex analysis.
  • On the dynamics of solutions for autonomous reaction-diffusion equation in Rⁿ with multivalued nonlinearity 
    Stanzhitsky, A.N.; Gorban, N.V. (Український математичний вісник, 2009)
    We consider the dynamics of solutions for autonomous reaction-diffusion equation in Rⁿ with multivalued nonlinearity. The a priory estimates for solutions are obtained. The existence of compact invariant global attractor ...
  • On the Isomorphic Group Algebras of Isotype Subgroups of Warfield Abelian Groups 
    Danchev, P. (Український математичний вісник, 2006)
    A new class of global mixed Abelian groups, called W-groups, is defined. The following isomorphism theorem for commutative modular group algebras of such groups is proved: If G is a p-mixed μ-elementary W-group for some ...
  • On the recursive sequence x(n+1)=(x(n-(4k+3)))/(1+∏(t=0-2(x(n-(k+1)t-k)))) 
    Simsek, D.; Abdullayev, F. (Український математичний вісник, 2016)
    In this paper a solution of some difference equation was investigated.

Пошук


Розширений пошук

Перегляд

Мій обліковий запис