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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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Companionship of knots and the Smith conjecture
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by Robert Myers PDF
Trans. Amer. Math. Soc. 259 (1980), 1-32 Request permission

Abstract:

This paper studies the Smith Conjecture in terms of H. Schubert’s theory of companionship of knots. Suppose J is a counterexample to the Smith Conjecture, i.e. is the fixed point set of an action of ${{\textbf {Z}}_p}$ on ${S^3}$. Theorem. Every essential torus in an invariant knot space $C(J)$ of J is either invariant or disjoint from its translates. Since the companions of J correspond to the essential tori in $C(J)$, this often allows one to split the action among the companions and satellites of J. In particular: Theorem. If J is composite, then each prime factor of J is a counterexample, and conversely. Theorem. The Smith Conjecture is true for all cabled knots. Theorem. The Smith Conjecture is true for all doubled knots. Theorem. The Smith Conjecture is true for all cable braids. Theorem. The Smith Conjecture is true for all nonsimple knots with bridge number less than five. In addition we show: Theorem. If the Smith Conjecture is true for all simple fibered knots, then it is true for all fibered knots. Theorem. The Smith Conjecture is true for all nonfibered knots having a unique isotopy type of incompressible spanning surface.
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Additional Information
  • © Copyright 1980 American Mathematical Society
  • Journal: Trans. Amer. Math. Soc. 259 (1980), 1-32
  • MSC: Primary 57M25
  • DOI: https://doi.org/10.1090/S0002-9947-1980-0561820-8
  • MathSciNet review: 561820