On the CR structure of the tangent sphere bundle

Authors

  • Elisabetta Barletta
  • Sorin Dragomir

Keywords:

Tangent sphere bundle, Webster connection, Pseudohermitian torsion, Nonlinear connection, Sasaki matric

Abstract

We adopt the methods of pseudohermitian geometry (cf. [16]) to study the tangent sphere bundle U(M) over a Riemannian manifold M. If M is an elliptic space form of sectional curvature 1 then U(M) is shown to be globally pseudo-Einstein (in the sense of J. M. Lee, [12]).

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Published

1996-08-01

Issue

Section

Articoli