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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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Splitting isomorphisms of mapping tori
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by Terry C. Lawson PDF
Trans. Amer. Math. Soc. 205 (1975), 285-294 Request permission

Abstract:

Necessary and sufficient conditions involving invertible cobordisms are given for two mapping tori to be isomorphic. These are used to give conditions under which a given isomorphism ${M_f} \to {N_g}$ is pseudoisotopic to an isomorphism which sends $M$ to $N$. An exact sequence for the group of pseudoisotopy classes of automorphisms of $M \times {S^1}$ is derived. The principal tools are an imbedding technique due to C. T. C. Wall as well as arguments involving invertible cobordisms. Applications and examples are given, particularly for manifolds of higher dimension where the $s$-cobordism theorem is applied.
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Additional Information
  • © Copyright 1975 American Mathematical Society
  • Journal: Trans. Amer. Math. Soc. 205 (1975), 285-294
  • MSC: Primary 57D80
  • DOI: https://doi.org/10.1090/S0002-9947-1975-0358821-X
  • MathSciNet review: 0358821