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  • On stable finiteness of group rings 
    Dykema, K.; Juschenko, K. (Algebra and Discrete Mathematics, 2015)
    For an arbitrary field or division ring K and an arbitrary group G, stable finiteness of K[G] is equivalent to direct finiteness of K[G×H] for all finite groups H.
  • On Standards for Mechanical Testing of Materials at Cryogenic Temperatures 
    Novogrudskii, L.S.; Strizhalo, V.A. (Проблемы прочности, 2010)
    Рассмотрены и проанализированы основные положения стандартов АSТМ, ISO и ГОСТ, которые регламентируют метод испытаний металлов на растяжение при температуре жидкого гелия. Определены основные факторы, обусловливающие ...
  • On statistical convergence of vector-valued sequences associated with multiplier sequences 
    Altinok, H.; Et, M.; Gökhan, A. (Український математичний журнал, 2006)
  • On statistical distributions of wide binary stars 
    Chulkov, D.A.; Trushin, D.I. (Advances in Astronomy and Space Physics, 2012)
    The semi-major axis is a key parameter of binary stellar systems. In order to obtain current semi-major axis distribution we investigated a volume-limited sample of the binaries in solar neighbourhood. Obtained distribution ...
  • On statistical mechanics in noncommutative spaces 
    Alavi, S.A. (Вопросы атомной науки и техники, 2007)
    We study the formulation of quantum statistical mechanics in noncommutative spaces. We construct microcanonical and canonical ensemble theory in noncommutative spaces and study some basic and important examples in the ...
  • On stochastic differential inclusions with unbounded right sides 
    Lepeyev, A.N. (2006)
    The paper deals with one-dimensional homogeneous stochastic differential inclusions without drift with a Borel measurable right side. Using a new method of explicit solutions, the necessary and sufficient conditions for ...
  • On Stone sublattices of the lattice of totally local Fitting classes 
    Skiba, A.N.; Vorob’ev, N.N. (Algebra and Discrete Mathematics, 2007)
    Totally local Fitting classes with a Stone lattice of totally local Fitting subclasses are described.
  • On strongly almost m-ω₁-pʷ⁺ⁿ-projective abelian p-groups 
    Danchev, P. (Algebra and Discrete Mathematics, 2015)
    For any non-negative integers man dn we define the class of strongly almost m-ω₁-pʷ⁺ⁿ-projective groups which properly encompasses the classes of strongly m-ω₁-pω⁺ⁿ-projective groups and strongly almost ω₁-pʷ⁺ⁿ-projective ...
  • On strongly graded Gorestein orders 
    Theohari-Apostolidi, Th.; Vavatsoulas, H. (Algebra and Discrete Mathematics, 2005)
    Let G be a finite group and let Λ = ⊕g∈GΛg be a strongly G-graded R-algebra, where R is a commutative ring with unity. We prove that if R is a Dedekind domain with quotient field K, Λ is an R-order in a separable K-algebra ...
  • On strongly ⊕-supplemented modules 
    Nebiyev, C.; Pancar, A. (Український математичний журнал, 2011)
    In this work, strongly ⊕-supplemented and strongly cofinitely ⊕-supplemented modules are defined and some properties of strongly ⊕-supplemented and strongly cofinitely ⊕-supplemented modules are investigated. Let R be a ...
  • On Sturm - Liouville and Thomas - Fermi Singular Boundary-Value Problems 
    Ntouyas, S.K.; Palamides, P.K. (Нелінійні коливання, 2001)
    In this paper we investigate the existence of a positive solution of a second order singular Sturm – Liouville boundary-value problem, by constructing upper and lower solutions and combined them with properties of the ...
  • On subgroups of finite exponent in groups 
    Artemovych, O.D. (Algebra and Discrete Mathematics, 2015)
    We investigate properties of groups with subgroups of finite exponent and prove that a non-perfect group G of infinite exponent with all proper subgroups of finite exponent has the following properties: (1) G is an ...
  • On subgroups of saturated or totally bounded paratopological groups 
    Banakh, T.; Ravsky, S. (Algebra and Discrete Mathematics, 2003)
    A paratopological group G is saturated if the inverse U ⁻¹ of each non-empty set U ⊂ G has non-empty interior. It is shown that a [first-countable] paratopological group H is a closed subgroup of a saturated (totally ...
  • On subgroups which cover or avoid chief factors of a finite group 
    Ballester-Bolinches, A.; Ezquerro, L.M.; Skiba, A.N. (Algebra and Discrete Mathematics, 2009)
    A classical topic of research in Finite Group Theory is the following: What is the influence on the structure of the group of the fact that all members of some relevant family of subgoups enjoy a given embedding ...
  • On subharmonic extension and extension in the Hardy-Orlicz classes 
    Riihentaus, J; Tamrazov, P.M. (Український математичний журнал, 1993)
    The paper contains a generalization of certain previous results on subharmonic extension of functions and on extension of functions in the Hardy - Orlicz classes. We give unified proofs of these results.
  • On Subharmonic Functions of the First Order with Restrictions on the Real Axis 
    Poedintseva, I.V. (Журнал математической физики, анализа, геометрии, 2008)
  • On Submanifolds of Pseudo-Hyperbolic Space with 1-Type Pseudo-Hyperbolic Gauss Map 
    Yeğin, R.; Dursun, U. (Журнал математической физики, анализа, геометрии, 2016)
    In this paper, we examine pseudo-Riemannian submanifolds of a pseudo- hyperbolic space with finite type pseudo-hyperbolic Gauss map.
  • On sum of a nilpotent and an ideally finitealgebras 
    Bilun, S.V. (Algebra and Discrete Mathematics, 2007)
    We study associative algebras R over arbitrary fields which can be decomposed into a sum R=A+B of their subalgebras A and B such that A²=0 and B is ideally finite (is a sum of its finite dimensional ideals). We prove that ...
  • On sums of overlapping products of independent Bernoulli random variables 
    Csörgö, S.; Wu, W.B. (Український математичний журнал, 2000)
    We find the exact distribution of an arbitrary remainder of an infinite sum of overlapping products of a sequence of independent Bernoulli random variables.
  • On Supplement Submodules 
    Nebiyev, C.; Pancar, A. (Український математичний журнал, 2013)
    We investigate some properties of supplement submodules. Some relations between lying-above and weak supplement submodules are also studied. Let V be a supplement of a submodule U in M. Then it is possible to define a ...