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Transactions of the American Mathematical Society

Published by the American Mathematical Society since 1900, Transactions of the American Mathematical Society is devoted to longer research articles in all areas of pure and applied mathematics.

ISSN 1088-6850 (online) ISSN 0002-9947 (print)

The 2020 MCQ for Transactions of the American Mathematical Society is 1.48.

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Extensions of $p$-local finite groups
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by C. Broto, N. Castellana, J. Grodal, R. Levi and B. Oliver PDF
Trans. Amer. Math. Soc. 359 (2007), 3791-3858 Request permission

Abstract:

A $p$-local finite group consists of a finite $p$-group $S$, together with a pair of categories which encode “conjugacy” relations among subgroups of $S$, and which are modelled on the fusion in a Sylow $p$-subgroup of a finite group. It contains enough information to define a classifying space which has many of the same properties as $p$-completed classifying spaces of finite groups. In this paper, we study and classify extensions of $p$-local finite groups, and also compute the fundamental group of the classifying space of a $p$-local finite group.
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Additional Information
  • C. Broto
  • Affiliation: Departament de Matemàtiques, Universitat Autònoma de Barcelona, E–08193 Bellaterra, Spain
  • MR Author ID: 42005
  • Email: broto@mat.uab.es
  • N. Castellana
  • Affiliation: Departament de Matemàtiques, Universitat Autònoma de Barcelona, E–08193 Bellaterra, Spain
  • Email: natalia@mat.uab.es
  • J. Grodal
  • Affiliation: Department of Mathematics, University of Chicago, Chicago, Illinois 60637
  • Address at time of publication: Department of Mathematical Sciences, University of Copenhagen, Universitetsparken 5, DK-2100 København Ø, Denmark
  • Email: jg@math.uchicago.edu, jg@math.ku.dk
  • R. Levi
  • Affiliation: Department of Mathematical Sciences, University of Aberdeen, Meston Building 339, Aberdeen AB24 3UE, United Kingdom
  • Email: ran@maths.abdn.ac.uk
  • B. Oliver
  • Affiliation: LAGA, Institut Galilée, Av. J-B Clément, 93430 Villetaneuse, France
  • MR Author ID: 191965
  • Email: bob@math.univ-paris13.fr
  • Received by editor(s): July 11, 2005
  • Published electronically: March 20, 2007
  • Additional Notes: The first author was partially supported by MCYT grant BFM2001–2035
    The second author was partially supported by MCYT grant BFM2001–2035
    The third author was partially supported by NSF grants DMS-0104318 and DMS-0354633
    The fourth author was partially supported by EPSRC grant GR/M7831.
    The fifth author was partially supported by UMR 7539 of the CNRS
  • © Copyright 2007 American Mathematical Society
    The copyright for this article reverts to public domain 28 years after publication.
  • Journal: Trans. Amer. Math. Soc. 359 (2007), 3791-3858
  • MSC (2000): Primary 55R35; Secondary 55R40, 20D20
  • DOI: https://doi.org/10.1090/S0002-9947-07-04225-0
  • MathSciNet review: 2302515