Add to ORKGThe Ricci flow on a compact four-manifold preserves the condition of pointwise 1/4- pinching of flag curvatures. Any compact Riemannian four-manifold with 1/4-pinched flag curvatures is either isometric to $\Bbb C\Bbb P^{2}$ or diffeomorphic to a space-form
textIn 2002, Feldman, Ilmanen, and Knopf constructed the first example of a non-trivial (i.e. non-co...
We prove that all smooth sphere bundles that admit fiberwise 1/4-pinched metrics are induced bundles...
Abstract. In this paper we prove a conjecture by Feldman–Ilmanen–Knopf (2003) that the gradient shri...
The Ricci flow on a compact four-manifold preserves the condition of pointwise 1/4- pinching of flag...
Abstract. The Ricci flow on a compact four-manifold preserves the condition of pointwise 1/4-pinchin...
The Ricci flow on a compact four-manifold preserves the condition of pointwise 1/4- pinching of flag...
We say that a nonnegatively curved manifold (M, g) has quarter-pinched flag curvature if for any two...
We investigate the compact submanifolds in Riemannian space forms of nonnegative sectional curvature...
This book focuses on Hamilton's Ricci flow, beginning with a detailed discussion of the required asp...
We show that any ancient solution to the Ricci flow which satisfies a suitable curvature pinching co...
In this paper, we study the Ricci flow on higher dimensional compact manifolds. We prove that nonneg...
International audienceIn these notes we describe a major result obtained recently using the Ricci fl...
We exhibit a one-parameter family of smooth Riemannian metrics on the four-dimensional sphere with s...
We show that every complete non-compact three-manifold with non-negatively pinched Ricci curvature a...
AbstractIn this paper we prove that, under an explicit integral pinching assumption between the L2-n...
textIn 2002, Feldman, Ilmanen, and Knopf constructed the first example of a non-trivial (i.e. non-co...
We prove that all smooth sphere bundles that admit fiberwise 1/4-pinched metrics are induced bundles...
Abstract. In this paper we prove a conjecture by Feldman–Ilmanen–Knopf (2003) that the gradient shri...
The Ricci flow on a compact four-manifold preserves the condition of pointwise 1/4- pinching of flag...
Abstract. The Ricci flow on a compact four-manifold preserves the condition of pointwise 1/4-pinchin...
The Ricci flow on a compact four-manifold preserves the condition of pointwise 1/4- pinching of flag...
We say that a nonnegatively curved manifold (M, g) has quarter-pinched flag curvature if for any two...
We investigate the compact submanifolds in Riemannian space forms of nonnegative sectional curvature...
This book focuses on Hamilton's Ricci flow, beginning with a detailed discussion of the required asp...
We show that any ancient solution to the Ricci flow which satisfies a suitable curvature pinching co...
In this paper, we study the Ricci flow on higher dimensional compact manifolds. We prove that nonneg...
International audienceIn these notes we describe a major result obtained recently using the Ricci fl...
We exhibit a one-parameter family of smooth Riemannian metrics on the four-dimensional sphere with s...
We show that every complete non-compact three-manifold with non-negatively pinched Ricci curvature a...
AbstractIn this paper we prove that, under an explicit integral pinching assumption between the L2-n...
textIn 2002, Feldman, Ilmanen, and Knopf constructed the first example of a non-trivial (i.e. non-co...
We prove that all smooth sphere bundles that admit fiberwise 1/4-pinched metrics are induced bundles...
Abstract. In this paper we prove a conjecture by Feldman–Ilmanen–Knopf (2003) that the gradient shri...