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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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Lantern relations and rational blowdowns
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by Hisaaki Endo and Yusuf Z. Gurtas PDF
Proc. Amer. Math. Soc. 138 (2010), 1131-1142 Request permission

Abstract:

We discuss a connection between the lantern relation in mapping class groups and the rational blowing down process for $4$-manifolds. More precisely, if we change a positive relator in Dehn twist generators of the mapping class group by using a lantern relation, the corresponding Lefschetz fibration changes into its rational blowdown along a copy of the configuration $C_2$. We exhibit examples of such rational blowdowns of Lefschetz fibrations whose blowup is homeomorphic but not diffeomorphic to the original fibration.
References
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Additional Information
  • Hisaaki Endo
  • Affiliation: Department of Mathematics, Graduate School of Science, Osaka University, Toyonaka, Osaka 560-0043, Japan
  • Email: endo@math.sci.osaka-u.ac.jp
  • Yusuf Z. Gurtas
  • Affiliation: Department of Mathematics, DePauw University, 602 S. College Avenue, Greencastle, Indiana 46135
  • Address at time of publication: Department of Mathematics and Computer Science, Queensborough Community College–CUNY, 222-05 56th Avenue, Room S-245, Bayside, New York 11364
  • Email: yusufgurtas@depauw.edu, ygurtas@qcc.cuny.edu
  • Received by editor(s): November 21, 2008
  • Received by editor(s) in revised form: July 20, 2009
  • Published electronically: October 26, 2009
  • Additional Notes: The first author is partially supported by Grant-in-Aid for Scientific Research (No. 21540079), Japan Society for the Promotion of Science.
  • Communicated by: Daniel Ruberman
  • © Copyright 2009 American Mathematical Society
  • Journal: Proc. Amer. Math. Soc. 138 (2010), 1131-1142
  • MSC (2010): Primary 57R17; Secondary 57N13, 20F38
  • DOI: https://doi.org/10.1090/S0002-9939-09-10128-4
  • MathSciNet review: 2566578