Cyclic parallel structure Jacobi operator for real hypersurfaces in complex two-plane Grassmannians

초록

In this paper, from the property of Killing for structure Jacobi tensor R-xi, we introduce a new notion of cyclic parallelism of structure Jacobi operator R-xi on real hypersurfaces in the complex two-plane Grassmannians. By virtue of geodesic curves, we can give the equivalent relation between cyclic parallelism of R-xi and Killing property of R-xi. Then, we classify all Hopf real hypersurfaces with cyclic parallel structure Jacobi operator in complex two-plane Grassmannians.

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