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math.DG2020
Manifolds with positive curvature operator and strictly convex bounday
Yongjia Zhang
In [AMW], it is proved that if a compact -manifold has positive Ricci curvature and strictly convex boundary, then this manifold is diffeomorphic to the standard -dimensional…
math.DG2020★ 6 cited
Perelman-type no breather theorem for noncompact Ricci flows
Liang Cheng, Yongjia Zhang
In this paper, we first show that a complete shrinking breather with Ricci curvature bounded from below must be a shrinking gradient Ricci soliton. This result has several applicat…