most cited4-dimensional compact manifolds with nonnegative biorthogonal curvature

1 citations · 1 across the 1 of their papers we have counts for

collaborators

2 papers

math.DG2015

Einstein Manifolds and Nonpositive Isotropic Curvature

Aldir Brasil, Ezio Costa, Feliciano Vitorio

This note is devoted to study the implications of nonpositive isotropic curvature and negative Ricci curvature for Einstein Manifolds.

math.DG2013★ 1 cited

4-dimensional compact manifolds with nonnegative biorthogonal curvature

E. Costa, E. Ribeiro

The goal of this article is to study the pinching problem proposed by S.-T. Yau in 1990 replacing sectional curvature by one weaker condition on biorthogonal curvature. Moreover, w…