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完全图沿其法向量场的形变
An entire graph’s deformation along its normal vector field
【摘要】 对于完全图平均曲率流F/t=H,F(.,0)=F0,前人已做过深入的研究,在前人的基础上将该完全图平均曲率流推广,主要研究完全图平均曲率流F/t=g(t)H,F(.,0)=F0,其中g(t)为[0,∞)上的单调增函数,g(t)≥1,且g(t)在[0,∞)上一致有界.换句话说,完全图平均曲率流F/t=H,F(.,0)=F0只是完全图平均曲率流F/t=g(t)H,F(.,0)=F0里面"g(t)≡1"特殊情况.
【Abstract】 Some mathematians have studied the mean curvature evolution of entire graph F/t=H,F(.,0)=F0,in this article,we main studied its extending form F/t=H,F(.,0)=F0,while g(t) is a function on [0,∞),g(t)≥1,and g(t) is bounded,For another saying,the mean curvature evolution of entire graph F/t=H,F(.,0)=F0 is the special case "g(t)≡1"in mean curvature evolution of entire graph F/t=g(t)H,F(.,0)=F0.
【关键词】 完全图;
先验估计;
多项式增长率;
长时存在性;
渐进状态;
【Key words】 entire graphs; polynomial growth; linear growth; curvature estimates; longtime exisence; asymptotic behavior;
【Key words】 entire graphs; polynomial growth; linear growth; curvature estimates; longtime exisence; asymptotic behavior;
【基金】 国家自然科学基金(10501011)资助
- 【文献出处】 湖北大学学报(自然科学版) ,Journal of Hubei University(Natural Science) , 编辑部邮箱 ,2009年04期
- 【分类号】O186.1
- 【下载频次】32