Contents 《博士后文库》序言 Preface Chapter 1 Preliminary 1 1.1 Notations 1 1.2 Some useful properties 4 1.3 Graphical submanifolds 7 1.4 Interior Holder estimates 10 Chapter 2 HΒ-flow for h-convex Hypersurfaces in 13 2.1 Introduction and main results 13 2.2 Short-time existence and evolution equations 16 2.3 Preserving h-convex 22 2.4 Long-time existence 27 2.5 Contraction to a point 32 Chapter 3 HΒ-flow for Pinched Hypersurfaces in 34 3.1 Introduction 34 3.2 Preserving pinching of curvature 38 3.3 The pinching estimate 47 3.4 The normalized equations 51 3.5 Convergence to a unit geodesic sphere 55 3.6 Exponential convergence 63 Chapter 4 Volume-preserving flow in 66 4.1 Introduction 66 4.2 Short-time existence and evolution equations 71 4.3 Preserving pinching 78 4.4 Upper bound on F 84 4.5 Long-time existence 93 4.6 Exponential convergence to a geodesic sphere 103 Chapter 5 flow in Rn+1 107 5.1 Introduction and main results 107 5.2 Short-time existence and evolution equations 111 5.3 Long-time existence 115 5.4 Preserving convexity 118 Chapter 6 flow in 125 6.1 Introduction and main results 125 6.2 Short-time existence and evolution equations 128 6.3 Preserving h-convex 133 6.4 Long-time existence 139 6.5 Contraction to a point 145 Chapter 7 Mixed Volume Preserving flow in Rn+1 146 7.1 Introduction and main results 146 7.2 Short-time existence and evolution equations 151 7.3 Preserving pinching 155 7.4 Upper bound on (F) 164 7.5 Long-time existence 169 7.6 Exponential convergence to the sphere 175 Chapter 8 Forced MCF of Submanifolds in 184 8.1 Introduction 184 8.2 Evolution equations 189 8.3 Relationship with the mean curvature flow 191 8.4 Asymptotic behavior of submanifolds 194 Bibliography 201 编后记 209