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Annals of Global Analysis and Geometry, 1992
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Mathematische Annalen, 1999
The author considers the generalization of the Gaussian curvature on an \(n\)-dimensional Riemannian manifold and the question of the deformation, i.e., the increase/decrease, of the scalar curvature which he calls the ``hammock effect''. Contents include the following sections: an introduction; singular conformal deformations; hammocks; curvature ...
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The author considers the generalization of the Gaussian curvature on an \(n\)-dimensional Riemannian manifold and the question of the deformation, i.e., the increase/decrease, of the scalar curvature which he calls the ``hammock effect''. Contents include the following sections: an introduction; singular conformal deformations; hammocks; curvature ...
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Kähler Surfaces of Positive Scalar Curvature
Annals of Global Analysis and Geometry, 1997The author constructs Kähler metrics of positive scalar curvature on the ruled surfaces obtained by blowing-up distinct points on a minimal model. These ruled surfaces are generic in the sense that any ruled surface is contained in a semi-universal family whose general member is of this type.
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