Invariant Differential Operators on Nonreductive Homogeneous Spaces
نویسنده
چکیده
A systematic exposition is given of the theory of invariant differential operators on a not necessarily reductive homogeneous space. This exposition is modelled on Helgason’s treatment of the general reductive case and the special nonreductive case of the space of horocycles. As a final application the differential operators on (not a priori reductive) isotropic pseudo-Riemannian spaces are characterized. MSC2000 classification: 43A85 (primary); 17B35, 22E30, 58J70 (secondary).
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