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Einstein four-manifolds of three-nonnegative curvature operator - MaRDI portal

Einstein four-manifolds of three-nonnegative curvature operator (Q2332885)

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Einstein four-manifolds of three-nonnegative curvature operator
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    Einstein four-manifolds of three-nonnegative curvature operator (English)
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    5 November 2019
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    Einstein four-manifolds
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    \(k\)-positive curvature operator
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    positive sectional curvature
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    positive isotropic curvature
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    Berger curvature decomposition
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    Weitzenböck formula
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    refined Kato inequality
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    first eigenvalue of Laplace operator
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