Factoring an odd abelian group by lacunary cyclic subsets

Sándor Szabó

Discussiones Mathematicae - General Algebra and Applications (2010)

  • Volume: 30, Issue: 2, page 137-146
  • ISSN: 1509-9415

Abstract

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It is a known result that if a finite abelian group of odd order is a direct product of lacunary cyclic subsets, then at least one of the factors must be a subgroup. The paper gives an elementary proof that does not rely on characters.

How to cite

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Sándor Szabó. "Factoring an odd abelian group by lacunary cyclic subsets." Discussiones Mathematicae - General Algebra and Applications 30.2 (2010): 137-146. <http://eudml.org/doc/276458>.

@article{SándorSzabó2010,
abstract = {It is a known result that if a finite abelian group of odd order is a direct product of lacunary cyclic subsets, then at least one of the factors must be a subgroup. The paper gives an elementary proof that does not rely on characters.},
author = {Sándor Szabó},
journal = {Discussiones Mathematicae - General Algebra and Applications},
keywords = {factorization of finite abelian groups; periodic subsets; cyclic subsets; lacunary cyclic subsets; Hajós-Rédei theory; factorizations of finite Abelian groups},
language = {eng},
number = {2},
pages = {137-146},
title = {Factoring an odd abelian group by lacunary cyclic subsets},
url = {http://eudml.org/doc/276458},
volume = {30},
year = {2010},
}

TY - JOUR
AU - Sándor Szabó
TI - Factoring an odd abelian group by lacunary cyclic subsets
JO - Discussiones Mathematicae - General Algebra and Applications
PY - 2010
VL - 30
IS - 2
SP - 137
EP - 146
AB - It is a known result that if a finite abelian group of odd order is a direct product of lacunary cyclic subsets, then at least one of the factors must be a subgroup. The paper gives an elementary proof that does not rely on characters.
LA - eng
KW - factorization of finite abelian groups; periodic subsets; cyclic subsets; lacunary cyclic subsets; Hajós-Rédei theory; factorizations of finite Abelian groups
UR - http://eudml.org/doc/276458
ER -

References

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  1. [1] K. Corrádi and S. Szabó, A Hajós type result on factoring finite abelian groups by subsets, Mathematica Pannonica 5 (1994), 275-280. Zbl0831.20069
  2. [2] G. Hajós, Über einfache und mehrfache Bedeckung des n-dimensionalen Raumes mit einem Würfelgitter, Math. Zeit. 47 (1942), 427-467. doi: 10.1007/BF01180974 Zbl0025.25401
  3. [3] L. Rédei, Die neue Theorie der Endlichen Abelschen Gruppen und Verallgemeinerung des Hauptsatzes von Hajós, Acta Math. Acad. Sci. Hungar. 16 (1965), 329-373. doi: 10.1007/BF01904843 Zbl0138.26001
  4. [4] A.D. Sands, A note on distorted cyclic subsets, Mathematica Pannonica 20 (2009), 123-127. Zbl1249.20049
  5. [5] S. Szabó and A.D. Sands, Factoring Groups into Subsets, Chapman and Hall, CRC, Taylor and Francis Group, Boca Raton 2009. Zbl1167.20030

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