Les variétés riemanniennes de dimension 4 4/19-pincées. (4/19- pinched Riemannian manifolds of dimension 4)

DOI10.5802/aif.1161zbMath0658.53032OpenAlexW2315013139MaRDI QIDQ1111165

Marina Ville

Publication date: 1989

Published in: Annales de l'Institut Fourier (Search for Journal in Brave)

Full work available at URL: http://www.numdam.org/item?id=AIF_1989__39_1_149_0

zbMATH Keywords

sectional curvaturepinching conditionsphere theorem

Mathematics Subject Classification ID

Global Riemannian geometry, including pinching (53C20)

Related Items (5)

On four manifolds which are positively pinched ⋮ Four-dimensional manifolds with pinched positive sectional curvature ⋮ Harmonic Two-Forms in Four Dimensions ⋮ Curvature, Sphere Theorems, and the Ricci flow ⋮ FOUR-MANIFOLDS WITH POSITIVE CURVATURE

Cites Work

• The topology of four-dimensional manifolds
• Pinching and Betti numbers
• On 1/4-pinched 4-dimensional Riemannian manifolds of negative curvature
• On four manifolds which are positively pinched
• Le second nombre de Betti d'une variété riemannienne \((\frac{1}{4}-\epsilon)\)-pincée de dimension 4
• Sur les variétés riemanniennes pincées juste au-dessous de 1/4
• A pinching theorem for four manifolds
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