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Showing 1 to 11 of 11 for “"Finite Abelian Groups"”.
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Applications Of The Subset Sum Problem Over Finite Abelian Groups
Given a finite abelian group $G$, a finite set $D$, and a mapping $f:D\rightarrow G$, we find the number of $r$-subsets $S\subseteq D$ where for $b\in G$, \begin{align*} \sum_{x\in S}f(x)=b. \end{align*} We obtain simple exact expressions when $f$ is an abelian group homomorphism. When $G=\Fq$, we …
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Topics in arithmetic combinatorics
… a natural version of Littlewood's problem for finite abelian groups. Here the situation varies wildly with the underlying group and we pay special attention first to the finite field case (where we use Chang's Theorem) and then to the case of residues modulo a prime where we require our new …
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A classification of groups satisfying the converse of Lagrange's theorem
This paper is a classification of finite groups satisfying the converse of Lagrange's Theorem. We begin by showing a series of inclusions of classes of finite groups: p-groups {dollar}\subseteq{dollar} nilpotent {dollar}\subseteq{dollar} supersolvable {dollar}\subseteq{dollar} polycyclic …
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Examples in the symbolic calculus for measures
… of the measure algebra of a locally compact abelian group to establish results of the kind wanted. These methods are employed to find measures on any Iocally compact abelian group on which only analytic functions operate. These measures arise from Bernoullii convolutions. The extensive …
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Rational Schur Rings over Abelian Groups
… with sublattices of the lattice of subgroups of Z_n. This idea is easily extended to show that for any finite group G, sublattices of the lattice of characteristic subgroups of G give rise to rational S-rings over G in a natural way. Our main result is that any finite group may be …
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On projective representations on funite abelian group
… has considered Schur multipliers of some of the finite abelian groups.The study of the schur multipliers of abelian groups is the first step in the studying of the projective representations of such groups. Our objective here is to determine the Inequivalent Irreducible projective representations …
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On projective representations on funite abelian group
… has considered Schur multipliers of some of the finite abelian groups.The study of the schur multipliers of abelian groups is the first step in the studying of the projective representations of such groups. Our objective here is to determine the Inequivalent Irreducible projective representations …
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Study of ferromagnetic systems with many phase transitions
… number of phase transitions for perturbations of finite range interactions is studied. A Monte-Carlo simulation was performed for a translation invariant spin 1/2 ferromagnetic model in Z² with fundamental bonds A = {(0,0);(0,1)} B = {(0,0);(2,0)} C = {(0,0);(0,1);(1,1);(1,0)} The model exhibits …
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Order computations in generic groups
… where [lambda](S)=lcm[alpha] over [alpha]... For abelian groups, a random S...G or constant size suffices to compute [lamda](G), the exponent of the group. Having computed [lambda](G), we show that in most cases the structure of an abelian group G can be determined using an additional …
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Symmetries of the scalar sector of multi-Higgs-doublet models
… sector of the NHDM, we find that these symmetry groups are either subgroups of the maximal torus, or certain finite Abelian groups which are not subgroups of maximal tori. For the subgroups of the maximal torus, we present an algorithmic strategy that gives the full list of possible realizable …
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Games, Graphs, and Groups
… combinatorial results about games, graphs and finite Abelian groups. A linear configuration is said to be *common* in an Abelian group $G$ if every 2-colouring of $G$ yields at least as many monochromatic instances of the configuration as a randomly chosen colouring. In Chapter 2, we show that …