Abstract
We recall a curvature identity for 4-dimensional compact Riemannian manifolds as derived from the generalized Gauss–Bonnet formula. We extend this curvature identity to non-compact 4-dimensional Riemannian manifolds. We also give some applications of this curvature identity.
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Euh, Y., Park, J. & Sekigawa, K. A Curvature Identity on a 4-Dimensional Riemannian Manifold. Results. Math. 63, 107–114 (2013). https://doi.org/10.1007/s00025-011-0164-3
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DOI: https://doi.org/10.1007/s00025-011-0164-3