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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 Cauchy problem and integrability of a modified Euler-Poisson equation
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by Feride Tığlay PDF
Trans. Amer. Math. Soc. 360 (2008), 1861-1877 Request permission

Abstract:

We prove that the periodic initial value problem for a modified Euler-Poisson equation is well-posed for initial data in $H^{s}(\mathbb {T}^{m})$ when $s>m/2+1$. We also study the analytic regularity of this problem and prove a Cauchy-Kowalevski type theorem. After presenting a formal derivation of the equation on the semidirect product space $\mathrm {Diff} \ltimes C^{\infty }(\mathbb {T})$ as a Hamiltonian equation, we concentrate on one space dimension ($m=1$) and show that the equation is bihamiltonian.
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Additional Information
  • Feride Tığlay
  • Affiliation: Department of Mathematics, University of New Orleans, Lake Front, New Orleans, Louisiana 70148
  • Received by editor(s): October 15, 2004
  • Received by editor(s) in revised form: June 9, 2005, and October 13, 2005
  • Published electronically: November 19, 2007
  • © Copyright 2007 American Mathematical Society
    The copyright for this article reverts to public domain 28 years after publication.
  • Journal: Trans. Amer. Math. Soc. 360 (2008), 1861-1877
  • MSC (2000): Primary 35Q53, 35Q05, 35A10, 37K65
  • DOI: https://doi.org/10.1090/S0002-9947-07-04248-1
  • MathSciNet review: 2366966