An equation of Monge-Ampère type in conformal geometry, and four-manifolds of positive Ricci curvature
An equation of Monge-Ampère type in conformal geometry, and four-manifolds of positive Ricci curvature
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DOI:
10.2307/3062131
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发表时间:
2002-05
影响因子:
4.9
通讯作者:
S. Chang;M. Gursky;Paul Yang
中科院分区:
文献类型:
--
作者:
S. Chang;M. Gursky;Paul Yang
We formulate natural conformally invariant conditions on a 4-manifold for the existence of a metric whose Schouten tensor satisfies a quadratic inequality. This inequality implies that the eigenvalues of the Ricci tensor are positively pinched.