Abstract
In this paper, we consider a conformal minimal immersion f from S 2 into a hyperquadric Q 2, and prove that its Gaussian curvature K and normal curvature K ⊥ satisfy K + K ⊥ = 4. We also show that the ellipse of curvature is a circle.
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Wang, J., Jiao, X. Conformal minimal two-spheres in Q 2 . Front. Math. China 6, 535–544 (2011). https://doi.org/10.1007/s11464-011-0137-6
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DOI: https://doi.org/10.1007/s11464-011-0137-6