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Proceedings of the American Mathematical Society

Published by the American Mathematical Society since 1950, Proceedings of the American Mathematical Society is devoted to shorter research articles in all areas of pure and applied mathematics.

ISSN 1088-6826 (online) ISSN 0002-9939 (print)

The 2020 MCQ for Proceedings of the American Mathematical Society is 0.85.

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by Miklós Abért and Tamás Keleti PDF
Proc. Amer. Math. Soc. 130 (2002), 549-553 Request permission

Abstract:

We prove that any permutation $p$ of the plane can be obtained as a composition of a fixed number (209) of simple transformations of the form $(x,y)\to (x,y+f(x))$ and $(x,y)\to (x+g(y),y)$, where $f$ and $g$ are arbitrary $\mathbb {R}\to \mathbb {R}$ functions. As a corollary we get that the full symmetric group acting on a set of continuum cardinal is a product of finitely many (209) copies of two isomorphic Abelian subgroups.
References
  • M. Abért, Symmetric groups as products of Abelian subgroups, to appear in Bull. London Math. Soc.
  • Charles Hopkins, Rings with minimal condition for left ideals, Ann. of Math. (2) 40 (1939), 712–730. MR 12, DOI 10.2307/1968951
  • P. Komjáth, Five degrees of separation, to appear in Proc. Amer. Math. Soc.
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Additional Information
  • Miklós Abért
  • Affiliation: Department of Algebra, Eötvös Loránd University, Kecskeméti u. 10-12, 1053 Budapest, Hungary
  • Email: abert@cs.elte.hu
  • Tamás Keleti
  • Affiliation: Department of Analysis, Eötvös Loránd University, Kecskeméti u. 10-12, 1053 Budapest, Hungary
  • MR Author ID: 288479
  • Email: elek@cs.elte.hu
  • Received by editor(s): July 11, 2000
  • Published electronically: September 19, 2001
  • Additional Notes: The research of the first author was supported by the Hungarian National Foundation for Scientific Research Grant 32325
    The research of the second author was supported by the Hungarian National Foundation for Scientific Research Grant T26176
  • Communicated by: David Preiss
  • © Copyright 2001 American Mathematical Society
  • Journal: Proc. Amer. Math. Soc. 130 (2002), 549-553
  • MSC (2000): Primary 26B40; Secondary 03E05, 20B30, 20D40
  • DOI: https://doi.org/10.1090/S0002-9939-01-06344-4
  • MathSciNet review: 1862136