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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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Regulating flows, topology of foliations and rigidity
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by Sérgio R. Fenley PDF
Trans. Amer. Math. Soc. 357 (2005), 4957-5000 Request permission

Abstract:

A flow transverse to a foliation is regulating if, in the universal cover, an arbitrary orbit of the flow intersects every leaf of the lifted foliation. This implies that the foliation is $\mathbf {R}$-covered, that is, its leaf space in the universal cover is homeomorphic to the reals. We analyse the converse of this implication to study the topology of the leaf space of certain foliations. We prove that if a pseudo-Anosov flow is transverse to an $\mathbf {R}$-covered foliation and the flow is not an $\mathbf {R}$-covered Anosov flow, then the flow is regulating for the foliation. Using this we show that several interesting classes of foliations are not $\mathbf {R}$-covered. Finally we show a rigidity result: if an $\mathbf {R}$-covered Anosov flow is transverse to a foliation but is not regulating, then the foliation blows down to one topologically conjugate to the stable or unstable foliations of the transverse flow.
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Additional Information
  • Sérgio R. Fenley
  • Affiliation: Department of Mathematics, Florida State University, Tallahassee, Florida 32306-4510
  • Received by editor(s): January 3, 2002
  • Received by editor(s) in revised form: February 1, 2004
  • Published electronically: March 10, 2005
  • Additional Notes: This research was partially supported by NSF grants DMS-9612317 and DMS-0071683.
  • © Copyright 2005 American Mathematical Society
  • Journal: Trans. Amer. Math. Soc. 357 (2005), 4957-5000
  • MSC (2000): Primary 37D20, 53C12, 53C23, 57R30; Secondary 37C85, 57M99
  • DOI: https://doi.org/10.1090/S0002-9947-05-03644-5
  • MathSciNet review: 2165394