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Перегляд Відділення математики за назвою

Репозиторій DSpace/Manakin

Перегляд Відділення математики за назвою

Сортувати за: Порядок: Результатів:

  • Kurganskyy, O.; Potapov, I. (Труды Института прикладной математики и механики НАН Украины, 2008)
  • Cheng, Miranda C.N.; Verlinde, E.P. (Symmetry, Integrability and Geometry: Methods and Applications, 2008)
    The appearance of a generalized (or Borcherds-) Kac-Moody algebra in the spectrum of BPS dyons in N=4, d=4 string theory is elucidated. From the low-energy supergravity analysis, we identify its root lattice as the lattice ...
  • Altaisky, M.V. (Symmetry, Integrability and Geometry: Methods and Applications, 2007)
    The Euclidean quantum field theory for the fields φΔx(x), which depend on both the position x and the resolution Δx, constructed in SIGMA 2 (2006), 046, on the base of the continuous wavelet transform, is considered. The ...
  • Yunakovsky, A.D. (Нелинейные граничные задачи, 2000)
    Method of determination of an approximate solution of a boundary value problem for the ordinary differential equation, based on an expansion by a system of basis functions, constructed on a multiscale system of basis ...
  • Reza Ebrahimi Atani; Shahabaddin Ebrahimi Atani (Algebra and Discrete Mathematics, 2009)
    The goal point of recent attempts to classify indecomposable modules over non-artinian rings has been pullback rings. The purpose of this paper is to outline a new approach to the classification of indecomposable weak ...
  • Drozdenko, M. (2007)
    Necessary and sufficient conditions for weak convergence of first-rareevent times for semi-Markov processes with finite set of states in series of schemes are obtained.
  • Plakosh, A. (Algebra and Discrete Mathematics, 2018)
    We give a classification of representations of the Kleinian 4-group up to weak equivalence.
  • Farsad, F.; Madanshekaf, A. (Algebra and Discrete Mathematics, 2017)
    Let S be a pomonoid. In this paper, Pos-S, the category of S-posets and S-poset maps, is considered. One of the main aims of this paper is to draw attention to the notion of weak factorization systems in Pos-S. We show ...
  • Wisbauer, R. (Algebra and Discrete Mathematics, 2016)
    As observed by Eilenberg and Moore (1965), for a monad F with right adjoint comonad G on any category A, the category of unital F-modules AF is isomorphic to the category of counital G-comodules AG. The monad F is ...
  • Zhuravlev, V.F. (Нелінійні коливання, 2018)
    Weakly nonlinear boundary-value problems for Fredholm integral equations with degenerate kernel in Banach spaces are considered. We obtain necessary and sufficient conditions for finding solutions of these problems and ...
  • Sergyeyev, A. (Symmetry, Integrability and Geometry: Methods and Applications, 2007)
    We show that under certain technical assumptions any weakly nonlocal Hamiltonian structure compatible with a given nondegenerate weakly nonlocal symplectic structure J can be written as the Lie derivative of J −1 along a ...
  • Banakh, T.; Lyaskovska, N. (Algebra and Discrete Mathematics, 2006)
    Answering a question of D. Dikranjan and I. Protasov we prove that each infinite Abelian group contains a weakly P-small subset that is not P-small.
  • Zhao, T.; Zhang, X. (Український математичний журнал, 2014)
    A subgroup H is said to be an s-permutable subgroup of a finite group G provided that the equality HP =PH holds for every Sylow subgroup P of G. Moreover, H is called SS-quasinormal in G if there exists a supplement B of ...
  • Faminskii, A.V.; Bashlykova, I.Yu. (Український математичний вісник, 2008)
    Global well-posedness in a class of weak solutions is established to one initial-boundary value problem with three boundary conditions for a wide class of quasilinear dispersive evolution equations of the third order in ...
  • Nikmehr, M.J.; Pazoki, M.; Tavallaee, H.A. (Український математичний журнал, 2012)
    We introduce the concept of weak α-skew Armendariz ideals and investigate their properties. Moreover, we prove that I is a weak α-skew Armendariz ideal if and only if I[x] is a weak α-skew Armendariz ideal. As a consequence, ...
  • Wu, Jianglong; Liu, Qingguo (Український математичний журнал, 2014)
    Let μΩ,b→ be a multilinear commutator generalized by the n-dimensional Marcinkiewicz integral with bounded kernel μ Ώ and let bj ∈OscexpLrj , 1 ≤ j ≤ m. We prove the following weighted inequalities for ω ∈ A ∞ and 0 < p < ...
  • Drozd-Koroleva, O. (Algebra and Discrete Mathematics, 2006)
    We define representations of weighted posets and construct for them reflection functors. Using this technique we prove that a weighted poset is of finite representation type if and only if its Tits form is weakly positive; ...
  • Hong Xu; Liu Lanzhe; Zeng Jiasheng (Український математичний журнал, 2007)
    In this paper, the sharp estimates for some multilinear commutators related to certain sublinear integral operators are obtained. The operators include the Littlewood - Paley operator and the Marcinkiewicz operator. As ...
  • Zhang, H.; Cai, H. (Український математичний вісник, 2008)
    In this paper, a sharp inequality for the vector-valued multilinear commutator of strongly singular integral operator are obtained. By using this inequality, we prove the weighted Lp-norm inequality for the multilinear commutator.
  • Street, R. (Symmetry, Integrability and Geometry: Methods and Applications, 2016)
    Motivated by the weighted Hurwitz product on sequences in an algebra, we produce a family of monoidal structures on the category of Joyal species. We suggest a family of tensor products for charades. We begin by seeing ...

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