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Surfaces in S^3 and H^3 via Spinors

Bertrand Morel
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Abstract

We generalize the spinorial characterization of isometric immersions of surfaces in R^3 given by T. Friedrich (On the spinor representation of surfaces in Euclidean 3-space, J. Geom. Phys. 28 (1998)) to surfaces in S^3 and H^3. The main argument is the interpretation of the energy-momentum tensor associated with a special spinor field as a second fundamental form. It turns out that such a characterization of isometric immersions in terms of a special section of the spinor bundle also holds in the case of hypersurfaces in the Euclidean 4-space.

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Bertrand Morel. 2003-02-18. Surfaces in S^3 and H^3 via Spinors. https://arxiv.org/abs/math/0204090

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