Browsing by Subject "abelian groups"

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  • On topological endomorphism rings with no more than two non-trivial closed ideals 
    POPA, Valeriu (Bons Offices, 2018)
    Let L be the class of locally compact abelian groups. For X ∈ L, we denote by t(X) the torsion subgroup of X and by E(X) the ring of continuous endomorphisms of X, taken with the compact-open topology. If X is topologically ...
  • Some properties of Neumann quasigroups 
    DIDURIK, Natalia (Bons Offices, 2018)
    Definition 1. Quasigroup (Q, •) is unipotent if and only if x • x = a for all x ∈ Q and some fixed element a ∈ Q. Definition 2. Quasigroup (Q, •) has right unit element (a right unit) if there exists element e (unique) ...

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