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Counting compositions over finite abelian groups [PDF]

open access: greenElectronic Journal of Combinatorics, 2017
We find the number of compositions over finite abelian groups under two types of restrictions: (i) each part belongs to a given subset and (ii) small runs of consecutive parts must have given properties.
Zhicheng Gao, Andrew MacFie, Qiang Wang
openalex   +3 more sources

Lattices of finite abelian groups [PDF]

open access: yesDiscrete & Computational Geometry, 2019
We study certain lattices constructed from finite abelian groups. We show that such a lattice is eutactic, thereby confirming a conjecture by B\"ottcher, Eisenbarth, Fukshansky, Garcia, Maharaj. Our methods also yield simpler proofs of two known results:
Ladisch, Frieder
core   +2 more sources

On Schurity of Finite Abelian Groups [PDF]

open access: yesCommunications in Algebra, 2013
A finite group G is called a Schur group, if any Schur ring over G is associated in a natural way with a subgroup of Sym(G) that contains all right translations. Recently, the authors have completely identified the cyclic Schur groups.
S. Evdokimov, I. Kov'acs, I. Ponomarenko
semanticscholar   +4 more sources

Computational methods for difference families in finite abelian groups

open access: yesSpecial Matrices, 2019
Our main objective is to show that the computational methods, developed previously to search for difference families in cyclic groups, can be fully extended to the more general case of arbitrary finite abelian groups.
Ðoković Dragomir Ž.   +1 more
doaj   +2 more sources

On complexes in a finite abelian group, I [PDF]

open access: bronzeProceedings of the Japan Academy, Series A, Mathematical Sciences, 1988
This paper is a sequel of a previous one [ibid. 64, No.7, 245-248 (1988; see the preceding review Zbl 0693.20022)], concerning the subsets of finite abelian groups. It contains the proofs of some results stated in that one.
Tamás Szőnyi, Ferenc Wettl
openalex   +5 more sources

On Lattices Generated by Finite Abelian Groups [PDF]

open access: yesSIAM Journal on Discrete Mathematics, 2014
This paper is devoted to the study of lattices generated by finite Abelian groups. Special species of such lattices arise in the exploration of elliptic curves over finite fields.
A. Böttcher   +3 more
semanticscholar   +5 more sources

Automorphisms of Finite Abelian Groups [PDF]

open access: yesThe American Mathematical Monthly, 2006
Much less known, however, is that there is a description of Aut(G), the automorphism group of G. The first compete characterization that we are aware of is contained in a paper by Ranum [1] near the turn of the last century.
C. Hillar, D. Rhea
semanticscholar   +4 more sources

On free products of finite abelian groups [PDF]

open access: bronzeProceedings of the American Mathematical Society, 1972
The purpose of this note is to show that if G is the free product of finitely many, finite abelian groups then the commutator subgroup is a finitely generated free group whose rank depends only on the number and orders of the factors. Moreover, we shall present a constructive procedure for obtaining a basis of this free group using the Kurosh rewriting
Michael Anshel, Robert Prener
openalex   +3 more sources

Finite automata presentable abelian groups [PDF]

open access: greenAnnals of Pure and Applied Logic, 2009
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
André Nies, Pavel Semukhin
openalex   +4 more sources

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