On the smooth rigidity of almost-Einstein manifolds with nonnegative isotropic curvature

Harish Seshadri

Let $(M^n,g)$, $n\ge 4$, be a compact simply-connected Riemannian manifold with nonnegative isotropic curvature. Given $0<l\le L$, we prove that there exists $\eps = \eps (l,L,n)$…