Proceedings of the American Mathematical Society

Author(s): T. Kappeler; F. Serier; P. Topalov
Journal: Proc. Amer. Math. Soc. 136 (2008), 1691-1698.
MSC (2000): Primary 35Q53, 34K17
Posted: November 30, 2007
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Abstract: We prove that the Birkhoff map $\Omega$ for KdV constructed on $H^{-1}_0(\mathbb{T})$ can be interpolated between $H^{-1}_0(\mathbb{T})$ and $L^2_0(\mathbb{T})$ . In particular, the symplectic phase space $H^{1/2}_0(\mathbb{T})$ can be described in terms of Birkhoff coordinates.

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Retrieve articles in Proceedings of the American Mathematical Society with MSC (2000): 35Q53, 34K17

T. Kappeler
Affiliation: Mathematics Institute, University of Zurich, Winterthurerstr. 190, 8057 Zurich, Switzerland
Email: tk@math.unizh.ch

F. Serier
Affiliation: Ecole Centrale de Lyon, Institut C. Jordan, UMR CNRS 5208, 36 avenue Guy de Collongue, 69134 Ecully, Cedex, France
Email: frederic.serier@ec-lyon.fr

P. Topalov
Affiliation: Department of Mathematics, Northeastern University, 360 Huntington Ave., Boston, Massachusetts 02115
Email: p.topalov@neu.edu

DOI: 10.1090/S0002-9939-07-09120-4
PII: S 0002-9939(07)09120-4
Received by editor(s): December 21, 2006
Received by editor(s) in revised form: Feburary 18, 2007
Posted: November 30, 2007
Additional Notes: The first author was supported in part by the Swiss National Science Foundation, the programme SPECT, and the European Community through the FP6 Marie Curie RTN ENIGMA (MRTN-CT-2004-5652).
Communicated by: Walter Craig
Copyright of article: Copyright 2007, American Mathematical Society
The copyright for this article reverts to public domain after 28 years from publication.

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