Self-duality and 4-manifolds with nonnegative curvature on totally isotropic 2-planes

DOI10.1307/mmj/1029004910zbMath0816.53023OpenAlexW1970077321MaRDI QIDQ1325795

Maria Helena Noronha

Publication date: 3 July 1995

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

Full work available at URL: https://doi.org/10.1307/mmj/1029004910

zbMATH Keywords

Weitzenböck formulanonnegative curvatureK3 surfacesnon-negative Ricci curvaturehalf- conformally flat manifoldsharmonic 2-forms

Mathematics Subject Classification ID

Global Riemannian geometry, including pinching (53C20)

Related Items

Low codimensional submanifolds of Euclidean space with nonnegative isotropic curvature, Compact self-dual Hermitian surfaces, FOUR-MANIFOLDS WITH POSITIVE CURVATURE