LIFE SPAN OF A SMOOTH SOLUTION FOR THE SURFACE DIFFUSION FLOW  

作　　者：LIU ZUHAN Department of Mathematics, Yangzhou University, Yangzhou 225002, Jiangsu, China. 

出　　处：《Chinese Annals of Mathematics,Series B》2003年第3期331-342,共12页数学年刊（B辑英文版）

基　　金：Project supported by the National Natural Science Foundation of China(No.10071067)and the Jiangsu Provincial Natural Science Foundation of China.

摘　　要：Consider the motion of immersed hypersurfaces driven by surface diffusion flow and give anlower bound on the life span of a smooth immersed solution, which depends only on how muchthe curvature of the initial surface is concentrated in space.

关 键 词：Surface diffusion flow Mean curvature Second fundamental form Fourth order equation 

分 类 号：O351[理学—流体力学]