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Characterization of the linear partial di¤erential equations that admit solution operators on Gevrey classes

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Published/Copyright: December 14, 2005
Journal für die reine und angewandte Mathematik
From the journal Volume 2005 Issue 588

Abstract

For a given polynomial P  in three variables and a weight function ω  a characterization is given of the linear partial differential operators () acting on the space ℰω (ℝ3) of all ω-ultradifferentiable functions of Beurling type on ℝ3 or equivalently on the space of all ω-ultradistributions that admit a continuous linear right inverse. The characterizing conditions are phrased in terms of the geometry of the zero variety V  of P, using limit varieties of V  along real simple curves and new conditions of ω-hyperbolicity. Several interesting examples are discussed.

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Published Online: 2005-12-14
Published in Print: 2005-11-25

Walter de Gruyter GmbH & Co. KG

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