Abstract
We give a classification of Hopf real hypersurfaces in complex hyperbolic two-plane Grassmannians SU2,m/S(U2·U m ) with commuting conditions between the restricted normal Jacobi operator \({\bar R_{N\varphi }}\) and the shape operator A (or the Ricci tensor S).
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This work was supported by Grant Proj. No. NRF-2015-R1A2A1A-01002459. The third author is supported by NRF Grant funded by the Korean Government Grant Proj. No. 2017R1C1B1010265.
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Hwang, D.H., Pak, E. & Woo, C. Real hypersurfaces in complex hyperbolic two-plane Grassmannians with commuting restricted normal Jacobi operators. Czech Math J 67, 989–1004 (2017). https://doi.org/10.21136/CMJ.2017.0289-16
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DOI: https://doi.org/10.21136/CMJ.2017.0289-16
Keywords
- real hypersurface
- complex hyperbolic two-plane Grassmannians
- Hopf hypersurface
- shape operator
- Ricci tensor
- normal Jacobi operator
- commuting condition