ON HOMOGENEOUS CR MANIFOLDS AND THEIR CR ALGEBRAS

Author:

ALTOMANI ANDREA1,MEDORI COSTANTINO2

Affiliation:

1. Dipartimento di Matematica, II Università di Roma "Tor Vergata", Via della Ricerca Scientifica, 00133 Roma, Italy

2. Dipartimento di Matematica, Università di Parma, Parco Area delle Scienze 53/A, 43100 Parma, Italy

Abstract

In this paper we show some results on homogeneous CR manifolds, proved by introducing their associated CR algebras. In particular, we give different notions of nondegeneracy (generalizing the usual notion for the Levi form) which correspond to geometrical properties for the corresponding manifolds. We also give distinguished equivariant CR fibrations for homogeneous CR manifolds. In the second part of the paper we apply these results to minimal orbits for the action of a real form of a semisimple Lie group Ĝ on a flag manifold Ĝ/Q.

Publisher

World Scientific Pub Co Pte Lt

Subject

Physics and Astronomy (miscellaneous)

Reference21 articles.

1. D. Alekseevsky and A. Spiro, Selected Topics in Cauchy–Riemann Geometry, Quaderni di Matemakca 9 (Dept. Math., Seconda Univ. Napoli, Caserta, 2001) pp. 1–37, MR 2049139.

2. Compact homogeneous CR manifolds

3. Invariant CR structures on compact homogeneous manifolds

Cited by 1 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. On finitely nondegenerate closed homogeneous CR manifolds;Annali di Matematica Pura ed Applicata (1923 -);2023-05-18

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