Abstract
We give examples of complete locally asymptotically flat Riemannian 4-manifolds with zero scalar curvature and negative mass. The generalized positive action conjecture of Hawking and Pope [5] is therefore false.
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Communicated by S.-T. Yau
Research partially supported by NSF grant #DMS-8704401
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LeBrun, C. Counter-examples to the generalized positive action conjecture. Commun.Math. Phys. 118, 591–596 (1988). https://doi.org/10.1007/BF01221110
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DOI: https://doi.org/10.1007/BF01221110