Critical Gevrey index for hypoellipticity of parabolic operators and Newton polygones

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Description

In this paper we give geometrical expressions of the (non) hypoellipticity in Gevrey spaces of parabolic operators via Newton polygones. We also determine the critical Gevrey class for which the hypoellipticity holds.

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Details 詳細情報について

  • CRID
    1871428068232779136
  • DOI
    10.1007/bf01758985
  • ISSN
    16181891
    03733114
  • Data Source
    • OpenAIRE

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