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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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The continuation theory for Morse decompositions and connection matrices
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by Robert D. Franzosa PDF
Trans. Amer. Math. Soc. 310 (1988), 781-803 Request permission

Abstract:

The continuation theory for ($<$-ordered) Morse decompositions and the indices defined on them—the homology index braid and the connection matrices—is established. The equivalence between $<$-ordered Morse decompositions and $<$-consistent attractor filtrations is displayed. The spaces of ($<$-ordered) Morse decompositions for a product parametrization of a local flow are introduced, and the local continuation of ($<$-ordered) Morse decompositions is obtained via the above-described equivalence and the local continuation of attractors. The homology index braid and the connection matrices of an admissible ordering of a Morse decomposition are shown to be invariant on path components of the corresponding space of $<$-ordered Morse decompositions. This invariance is used to prove that the collection of connection matrices of a Morse decomposition is upper semicontinuous over the space of Morse decompositions (and over the parameter space) under local continuation.
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Additional Information
  • © Copyright 1988 American Mathematical Society
  • Journal: Trans. Amer. Math. Soc. 310 (1988), 781-803
  • MSC: Primary 58F25; Secondary 34C35, 58F12, 58F14
  • DOI: https://doi.org/10.1090/S0002-9947-1988-0973177-6
  • MathSciNet review: 973177