An elementary proof of Fedi\uı's theorem and extensions

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dc.creatorTartakoff, David S.
dc.date2006-09-28
dc.date.accessioned2026-07-07T07:25:21Z
dc.date.available2026-07-07T07:25:21Z
dc.descriptionWe present an elementary, $L^2,$ proof of Fedi\uı's theorem on arbitrary (e.g., infinite order) degeneracy and extensions. In particular, the proof allows and shows $C^\infty,$ Gevrey, and real analytic hypoellipticity, and allows the coefficents to depend on the remaining variable as well.
dc.description5pp
dc.identifierhttps://arxiv.org/abs/math/0609778
dc.identifierhttp://arxiv.org/abs/math/0609778
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/116684
dc.subjectAnalysis of PDEs
dc.subject35H10, 35N15
dc.titleAn elementary proof of Fedi\uı's theorem and extensions
dc.typetext

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