Metivier, Guy Fonction spectrale et valeurs propres d’une classe d’opérateurs non elliptiques. (French) Zbl 0376.35012 Commun. Partial Differ. Equations 1, 467-519 (1976). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 2 ReviewsCited in 36 Documents MSC: 35H10 Hypoelliptic equations 35P15 Estimates of eigenvalues in context of PDEs PDF BibTeX XML Cite \textit{G. Metivier}, Commun. Partial Differ. Equations 1, 467--519 (1976; Zbl 0376.35012) Full Text: DOI EuDML OpenURL References: [1] Dunford N., Interscience [2] El Kolli A., C.R. Ac. Sc. 272 (1971) [3] Folland G.B, Arkiv. för Mat 13 (1975) · Zbl 0312.35026 [4] Folland G.B, Bull. Amer. Math. Soc. 80 (1974) · Zbl 0294.35059 [5] Folland G.B, Comm. Pure Appl. Math 27 (1974) · Zbl 0293.35012 [6] Goodman, R. ”Lifting vector fields nilpotent Lie groups”. Publications I.H.E.S. · Zbl 0336.57015 [7] Hormander L, Acta. Math 119 (1967) · Zbl 0156.10701 [8] Kato, T. 1966. ”Perturbation theory for linear operators”. Springer Verlag. · Zbl 0148.12601 [9] Kohn J.J., C.I.M.E (1968) [10] Kohn J.J, Proc. Symp. Pure Math. 23 (1973) [11] Kolmogorov, Ann of Math 37 (1936) [12] Oleinik O.A., Amer.Math. Soc., Providence (1973) [13] Radkevic E.V, Mat Sb 121 (1969) [14] Rothchild, L and Stein, E. 1975. ”Hypoelliptic differential operators and nilpotent groups”. Princeton. (Preprint) [15] Schwartz L, Ann. Institut Fourier 7 (1957) This reference list is based on information provided by the publisher or from digital mathematics libraries. Its items are heuristically matched to zbMATH identifiers and may contain data conversion errors. It attempts to reflect the references listed in the original paper as accurately as possible without claiming the completeness or perfect precision of the matching.