Front d'onde analytique et sommes de carrés de champs de vecteurs
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Publication:1068276
DOI10.1215/S0012-7094-85-05203-2zbMath0581.35009MaRDI QIDQ1068276
Alain Grigis, Johannes Sjöstrand
Publication date: 1985
Published in: Duke Mathematical Journal (Search for Journal in Brave)
a priori estimateHörmander conditionpropagation of singularitiesanalytic wave frontreal analytic coefficient
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Cites Work
- Analytic wavefront sets and operators with multiple characteristics
- The local real analyticity of solutions to d'Alembert-Operator(b) and the (partial d)--Neumann problem
- Conditions necessaires d'hypoanalyticite pour des opérateurs invariants à gauche homogenes sur un groupe nilpotent gradue
- A class of hypoelliptic pseudodifferential operators with double characteristics
- Hypoelliptic second order differential equations
- La condition de hörmander-khon pour les operateurs pseudo-differentiels
- Analytic hypo-ellipticity of a class of pseudodifferential operators with double characteristics and applications to the -neumann problem
- Nonanalytic-hypoellipticity for some degenerate elliptic operators
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