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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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Nonexistence of twists and surgeries generating exotic 4-manifolds
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by Kouichi Yasui PDF
Trans. Amer. Math. Soc. 372 (2019), 5375-5392 Request permission

Abstract:

It is well known that for any exotic pair of simply connected closed oriented 4-manifolds, one is obtained from the other by twisting a compact contractible submanifold via an involution on the boundary. By contrast, here we show that for each positive integer $n$, there exists a simply connected closed oriented 4-manifold $X$ such that for any compact (not necessarily connected) codimension zero submanifold $W$ with $b_1(\partial W)<n$, the set of all smooth structures on $X$ cannot be generated from $X$ by twisting $W$ and varying the gluing map. As a corollary, we show that there exists no “universal” compact 4-manifold $W$ such that for any simply connected closed 4-manifold $X$, the set of all smooth structures on $X$ is generated from a 4-manifold by twisting a fixed embedded copy of $W$ and varying the gluing map. Moreover, we give similar results for surgeries.
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Additional Information
  • Kouichi Yasui
  • Affiliation: Department of Pure and Applied Mathematics, Graduate School of Information Science and Technology, Osaka University, 1-5 Yamadaoka, Suita, Osaka 565-0871, Japan
  • Email: kyasui@ist.osaka-u.ac.jp
  • Received by editor(s): February 25, 2018
  • Received by editor(s) in revised form: August 31, 2018
  • Published electronically: July 2, 2019
  • Additional Notes: The author was partially supported by JSPS KAKENHI Grant Numbers 16K17593, 26287013 and 17K05220.
  • © Copyright 2019 American Mathematical Society
  • Journal: Trans. Amer. Math. Soc. 372 (2019), 5375-5392
  • MSC (2010): Primary ~57R55; Secondary ~57R65, 57R17
  • DOI: https://doi.org/10.1090/tran/7696
  • MathSciNet review: 4014280