Abstract
In this paper, we consider biconservative and biharmonic isometric immersions into the 4-dimensional Lorentzian space form \({\mathbb {L}}^4(\delta )\) with constant sectional curvature \(\delta \). We obtain some local classifications of biconservative CMC surfaces in \({\mathbb {L}}^4(\delta )\). Further, we get complete classification of biharmonic CMC surfaces in the de Sitter 4-space. We also proved that there is no biharmonic CMC surface in the anti-de Sitter 4-space. Further, we get the classification of biconservative, quasi-minimal surfaces in Minkowski-4 space.
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This work is a part of the first author’s doctoral thesis. The manuscript has no associate data.
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Communicated by Vicente Cortés.
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Kayhan, A., Turgay, N.C. Biconservative surfaces with constant mean curvature in lorentzian space forms. Abh. Math. Semin. Univ. Hambg. (2024). https://doi.org/10.1007/s12188-023-00273-x
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DOI: https://doi.org/10.1007/s12188-023-00273-x
Keywords
- Biconservative surfaces
- Constant mean curvature
- Lorentzian space forms
- Quasi-minimal surfaces
- de Sitter space