Acknowledgement
Supported by : Hankuk University of Foreign Studies
This work was supported by Hankuk University of Foreign Studies Research Fund.
References
- H. Frank and O. Giering, Verallegemeinerte Regelflachen. Math. Z. 150 (1976), 261-271. https://doi.org/10.1007/BF01221150
- H. Hagen, Die minimalen (k + 1)-Regelflaechen. Arch. Math. 42, (1984), 76-84. https://doi.org/10.1007/BF01198132
- B. O'Neill, Semi-Riemannian Geometry, Academic Press, New York-London, 1983.
-
S. Park, Minimal and Constant mean curvature surfaces in
$S^3$ foliated by circles, preprint.