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Перегляд Algebra and Discrete Mathematics, 2016, Vol. 22, № 2 за датою випуску

Репозиторій DSpace/Manakin

Перегляд Algebra and Discrete Mathematics, 2016, Vol. 22, № 2 за датою випуску

Сортувати за: Порядок: Результатів:

  • An amalgamation property for metric spaces 
    Ivanov, A.; Majcher-Iwanow, B. (Algebra and Discrete Mathematics, 2016)
    In this paper we show that sufficiently similar finite metric spaces can be amalgamated so that the distance between them is sufficiently small.
  • Factorization of elements in noncommutative rings, I 
    Facchini, A.; Fassina, M. (Algebra and Discrete Mathematics, 2016)
    We extend the classical theory of factorization in noncommutative integral domains to the more general classes of right saturated rings and right cyclically complete rings. Our attention is focused, in particular, on the ...
  • On nilpotent Chernikov 2-groups with elementary tops 
    Drozd, Y.A.; Plakosh, A.I. (Algebra and Discrete Mathematics, 2016)
    We give an explicit description of nilpotent Chernikov 2-groups with elementary top and basis of rank 2.
  • Groups satisfying certain rank conditions 
    Dixon, M.R.; Kurdachenko, L.A.; Pypka, A.A.; Subbotin, I.Ya. (Algebra and Discrete Mathematics, 2016)
    This is a survey of a number of recent results concerned with groups whose subgroups satisfy certain rank conditions.
  • Rad-supplements in injective modules 
    Buyukasik, E.; Tribak, R. (Algebra and Discrete Mathematics, 2016)
    We introduce and study the notion of Rad-s-injective modules (i.e. modules which are Rad-supplements in the irinjective hulls). We compare this notion with another generalization of injective modules. We show that the class ...
  • Quadratic residues of the norm group in sectorial domains 
    Balyas, L.; Varbanets, P. (Algebra and Discrete Mathematics, 2016)
    In the article the distribution of quadratic residues in the ring Gpn, in the norm subgroup En of multiplicative group G∗pn, is investigated. The asymptotic formula for the number R(x,ϕ) of quadratic residues in the sectorial ...
  • Free n-dinilpotent doppelsemigroups 
    Zhuchok, A.V.; Demko, M. (Algebra and Discrete Mathematics, 2016)
    A doppelalgebra is an algebra defined on a vector space with two binary linear associative operations. Doppelalgebras play a prominent role in algebraic K-theory. In this paper we consider doppelsemigroups, that is, sets ...
  • Normal subdigroups and the isomorphism theorems for digroup 
    Ongay, F.; Velásquez, R.E.; Wills-Toro, L.A. (Algebra and Discrete Mathematics, 2016)
    We discuss the notion of normality of a sub-object in the category of digroups. This allows us to define quotient digroups, and then establish the corresponding analogues of the classical Isomorphism Theorems.
  • A horizontal mesh algorithm for posets with positive Tits form 
    Kaniecki, M.; Kosakowska, J.; Malicki, P.; Marczak, G. (Algebra and Discrete Mathematics, 2016)
  • On n-stars in colorings and orientations of graphs 
    Protasov, I.V. (Algebra and Discrete Mathematics, 2016)
    An n-star S in a graph G is the union of geodesic intervals I1,…,Ik with common end O such that the subgraphs I1∖{O},…,Ik∖{O} are pairwise disjoint and l(I1)+…+l(Ik)=n. If the edges of G are oriented, S is directed if each ...
  • The Endomorphism Monoids of (n − 3)-regular Graphs of Order n 
    Gyurov, B.; Knauer, U.; Panma, S.; Pipattanajinda, N. (Algebra and Discrete Mathematics, 2016)
    This paper is motivated by the result of W. Li, he presents an infinite family of graphs - complements of cycles - which possess a regular monoid. We show that these regular monoids are completely regular. Furthermore, we ...

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