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Перегляд Український математичний журнал, 2014, том 66 за назвою

Репозиторій DSpace/Manakin

Перегляд Український математичний журнал, 2014, том 66 за назвою

Сортувати за: Порядок: Результатів:

  • A class of p-valent meromorphic functions defined by the Liu–Srivastava operator 
    Seoudy, T.M.; Aouf, M.K. (Український математичний журнал, 2014)
    We introduce a subclass of p-valent meromorphic functions involving the Lui–Srivastava operator and investigate various properties of this subclass. We also indicate the relationships between various results presented in ...
  • A generalization of lifting modules 
    Kalati, T.A. (Український математичний журнал, 2014)
    We introduce the notion of I -lifting modules as a proper generalization of the notion of lifting modules and present some properties of this class of modules. It is shown that if M is an I -lifting direct projective module, ...
  • Anisotropic differential operators with parameters and applications 
    Shakhmurov, V.B. (Український математичний журнал, 2014)
    In the paper, we study the boundary-value problems for parameter-dependent anisotropic differential-operator equations with variable coefficients. Several conditions for the uniform separability and Fredholmness in ...
  • A note on a bound of Adan-Bante 
    Xiaoyou Chen (Український математичний журнал, 2014)
    Let G be a finite solvable group and let χ be a nonlinear irreducible (complex) character of G. Also let η (χ) be the number of nonprincipal irreducible constituents of χχ, where χ denotes the complex conjugate of χ. ...
  • A note on semialgebraically proper maps 
    Dae Heui Park (Український математичний журнал, 2014)
    We prove that a semialgebraic map is semialgebraically proper if and only if it is proper. As an application of this assertion, we compare the semialgebraically proper actions with proper actions in a sense of Palais.
  • A note on Solymosi’s sum-product estimate for ordered fields 
    Xue, Boqing (Український математичний журнал, 2014)
    It is proved that Solymosi’s sum-product estimate max{|A + A|, |A · A|} ≫ |A|4/3/(log |A|)1/3 holds for any finite set A in an ordered field F.
  • A ring of Pythagorean triples over quadratic fields 
    Somboonkulavudi, C.; Harnchoowong, A. (Український математичний журнал, 2014)
    Let K be a quadratic field and let R be the ring of integers of K such that R is a unique factorization domain. The set P of all Pythagorean triples in R is partitioned into Pη , sets of triples 〈α, β, γ〉 in P where η = γ ...
  • Asymptotic solutions of the Dirichlet problem for the heat equation at a characteristic point 
    Antoniouk, A.V.; Kiselev, O.M.; Tarkhanov, N.N. (Український математичний журнал, 2014)
    The Dirichlet problem for the heat equation in a bounded domain G⊂Rn+1 is characteristic because there are boundary points at which the boundary touches a characteristic hyperplane t=c, where c is a constant. For the first ...
  • Atoms in the p-localization of stable homotopy category 
    Drozd, Yu.A.; Kolesnyk, P.O. (Український математичний журнал, 2014)
    We study p-localizations, where p is an odd prime, of the full subcategories Sⁿ of stable homotopy category formed by CW-complexes with cells in n successive dimensions. Using the technique of triangulated categories and ...
  • Big Picard theorem for meromorphic mappings with moving hyperplanes in Pn(C) 
    Quang, Si Duc; Giang, Ha Huong (Український математичний журнал, 2014)
    We present some extension theorems in the style of the Big Picard theorem for meromorphic mappings of Cm into Pn(C) with a few moving hyperplanes.
  • C2 Property of Column Finite Matrix Rings 
    Liang Shen; Jianlong Chen (Український математичний журнал, 2014)
    A ring R is called a right C2 ring if any right ideal of R isomorphic to a direct summand of RR is also a direct summand. The ring R is called a right C3 ring if any sum of two independent summands of R is also a direct ...
  • Classification of the regular components of two-dimentional inner maps 
    Vlasenko, I.Yu. (Український математичний журнал, 2014)
    We propose a topological classification of dynamical systems generated by two-dimensional inner maps on the fully invariant regular components of a wandering set with special attracting boundary (to within the topological ...
  • CLT-groups with Hall S-quasinormally embedded subgroups 
    Jianjun Liu; Shirong Li (Український математичний журнал, 2014)
    A subgroup H of a finite group G is said to be Hall S-quasinormally embedded in G if H is a Hall subgroup of the S-quasinormal closure H SQG . We study finite groups G containing a Hall S-quasinormally embedded subgroup ...
  • Common fixed-point theorems for nonlinear weakly contractive mappings 
    Chandok, S.; Khan, M.S.; Abbas, M. (Український математичний журнал, 2014)
    Some common fixed-point results for mappings satisfying a nonlinear weak contraction condition within the framework of ordered metric spaces are obtained. The accumulated results generalize and extend several comparable ...
  • Critical points approaches to elliptic problems driven by a p(x)-Laplacian 
    Heidarkhani, S.; Ge, B. (Український математичний журнал, 2014)
    We establish the existence of at least three solutions for elliptic problems driven by a p(x)-Laplacian. The existence of at least one nontrivial solution is also proved. The approaches are based on the variational methods ...
  • Decomposition of directed graphs and the Turán problem 
    Novikov, B.V.; Polyakova, L.Yu.; Zholtkevich, G.N. (Український математичний журнал, 2014)
    We consider vertex decompositions of (di)graphs appearing in the automata theory and establish some properties of these decompositions. These decompositions are applied to the problem of forbidden subgraphs.
  • Determination of the coefficient of a semilinear parabolic equation for a boundary-value problem with nonlinear boundary condition 
    Akhundov, A.Ya.; Gasanova, A.I. (Український математичний журнал, 2014)
    We study the well-posedness of the inverse problem of determination of the coefficient of a minor term of a semilinear parabolic equation in the presence of a nonlinear boundary condition. The additional condition is given ...
  • Dirichlet problems for harmonic functions in half spaces 
    Qiao, Lei (Український математичний журнал, 2014)
    In our paper, we prove that if the positive part u+(x) of a harmonic function u(x) in a half space satisfies the condition of slow growth, then its negative part u−(x) can also be dominated by a similar growth condition. ...
  • Fixed point theorems for multivalued generalized nonlinear contractive maps in partial metric spaces 
    Aghajani, A.; Allahyari, K. (Український математичний журнал, 2014)
    We prove some fixed-point results for multivalued generalized nonlinear contractive mappings in partial metric spaces, which generalize and improve the corresponding recent fixed-point results due to Ćirić [L. B. Ćirić, ...
  • Fractional calculus of a unified Mittag-Leffler function 
    Prajapati, J.C.; Nathwani, B.V. (Український математичний журнал, 2014)
    The main aim of the paper is to introduce an operator in the space of Lebesgue measurable real or complex functions L(a, b). Some properties of the Riemann–Liouville fractional integrals and differential operators associated ...

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