Positively curved 4-manifolds and the nonnegativity of isotropic curvatures

DOI10.1307/mmj/1029005700zbMath0888.53029OpenAlexW2020236419MaRDI QIDQ1371315

Maria Helena Noronha

Publication date: 7 June 1998

Published in: Michigan Mathematical Journal (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1307/mmj/1029005700

zbMATH Keywords

Weyl tensorisotropic curvaturepositively curved four-manifolds

Mathematics Subject Classification ID

Global Riemannian geometry, including pinching (53C20)

Related Items

Rigidity of four-dimensional compact manifolds with harmonic Weyl tensor ⋮ SOME SPHERE THEOREMS FOR SUBMANIFOLDS WITH POSITIVE BIORTHOGONAL CURVATURE ⋮ Four-dimensional compact manifolds with nonnegative biorthogonal curvature