A family of degenerate differential operators

DOI10.1007/BF02921323zbMath0818.35020WikidataQ115391217 ScholiaQ115391217MaRDI QIDQ1315478

Michael Christ

Publication date: 10 March 1994

Published in: The Journal of Geometric Analysis (Search for Journal in Brave)

zbMATH Keywords

nonelliptic operators with multiple characteristics

Mathematics Subject Classification ID

Hypoelliptic equations (35H10) Linear higher-order PDEs (35G05)

Cites Work

• Unnamed Item
• Unnamed Item
• Hypoellipticité maximale pour des opérateurs polynômes de champs de vecteurs. (Maximal hypoellipticity for polynomial operators of vector fields)
• Inégalités \(L^ 2\) et représentations de groupes nilpotents. (\(L^ 2\)-inequalities and representations of nilpotent groups)
• Sur un problème aux valeurs propres non linéaire
• Hypoelliptic differential operators and nilpotent groups
• A new criterion for local non-solvability of homogeneous left invariant differential operators on nilpotent Lie groups.
• Caracterisation des operateurs hypoelliptiques homogenes
• Singular solutions for sums of squares of vector fields
• Certain sums of Squares of Vector Fields Fail to be Analytic Hypoelliptic
• Some nonanalytic-hypoelliptic sums of squares of vector fields

This page was built for publication: A family of degenerate differential operators