A note on rigidity of Einstein four-manifolds with positive sectional curvature
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DOI: 10.1007/s00229-020-01217-y
Abstract: In this paper, we first prove a topological obstruction for a four-dimensional manifold carrying an Einstein metric. More precisely, assume ( M , g ) is a closed Einstein four-manifold with $$Ric=\rho g$$ R i… read more here.
Keywords: einstein four; sectional curvature; positive sectional; four manifolds ... See more keywords