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On the Radius of Spatial Analyticity for the Quartic Generalized KdV Equation

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Abstract

Lower bound on the rate of decrease in time of the uniform radius of spatial analyticity of solutions to the quartic generalized KdV equation is derived, which improves an earlier result by Bona, Grujić and Kalisch.

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Authors and Affiliations

  1. Department of Mathematics, University of Bergen, PO Box 7803 , 5020, Bergen, Norway

    Sigmund Selberg & Achenef Tesfahun

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  1. Sigmund Selberg
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  2. Achenef Tesfahun
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Correspondence to Achenef Tesfahun.

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Communicated by Nader Masmoudi.

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Selberg, S., Tesfahun, A. On the Radius of Spatial Analyticity for the Quartic Generalized KdV Equation. Ann. Henri Poincaré 18, 3553–3564 (2017). https://doi.org/10.1007/s00023-017-0605-y

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  • DOI: https://doi.org/10.1007/s00023-017-0605-y

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