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MARIA CARMELA LOMBARDO

Singularity tracking for Camassa-Holm and Prandtl's equations

  • Autori: DELLA ROCCA, G.; Lombardo, M.; Sammartino, M.; Sciacca, V.
  • Anno di pubblicazione: 2006
  • Tipologia: Articolo in rivista (Articolo in rivista)
  • OA Link: http://hdl.handle.net/10447/30603

Abstract

In this paper we consider the phenomenon of singularity formation for the Camassa–Holm equation and for Prandtl’s equations. We solve these equations using spectral methods. Then we track the singularity in the complex plane estimating the rate of decay of the Fourier spectrum. This method allows us to follow the process of the singularity formation as the singularity approaches the real axis.