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Zbl 0635.35086
Nourrigat, J.
Systèmes sous-elliptiques. (Subelliptic systems).
(French)
[J] Sémin., Équations Dériv. Partielles 1986-1987, Exp. No.5, 14 p. (1987).

On établit des liens entre systèmes d'opérateurs pseudo- différentiels et représentations de groupes nilpotents. Comme exemple d'application, on donne une nouvelle preuve du théorème classique de {\it Ju. V. Egorov} [Russ. Math. Surv. 30, No.2, 59-118 (1975; Zbl 0318.35075) et 30, No.3, 55-105 (1975; Zbl 0331.35054)] et {\it L. Hörmander} [Ann. Math. Stud. 91, 127-208 (1979; Zbl 0446.35086)] sur les opérateurs sous-elliptiques.
[V.Iftimie]
MSC 2000:
*35S05 General theory of pseudodifferential operators
20F18 Nilpotent groups

Keywords: nilpotent group; subelliptic operator

Citations: Zbl 0318.35075; Zbl 0331.35054; Zbl 0446.35086

Cited in: Zbl 0771.35086

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Highlights
Scientific prize winners of the ICM 2010
Overhang
Lie groups, physics and geometry. An introduction for physicists, engineers and chemists.

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