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Regularity properties of a double characteristics differential operator with complex lower order terms

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Abstract

We consider a second order differential operator \(P\) in \({\mathbb {R}}^3\) and we study the effect of the complex lower order terms on its \(C^\infty \)-hypoellipticity.

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Authors and Affiliations

  1. Department of Mathematics, University of Bologna, Piazza di Porta S. Donato 5, 40127 , Bologna, Italy

    Marco Mughetti

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  1. Marco Mughetti
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Correspondence to Marco Mughetti.

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Mughetti, M. Regularity properties of a double characteristics differential operator with complex lower order terms. J. Pseudo-Differ. Oper. Appl. 5, 343–358 (2014). https://doi.org/10.1007/s11868-014-0093-5

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  • DOI: https://doi.org/10.1007/s11868-014-0093-5

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