Stable isotopy in four dimensions

被引:16
|
作者
Auckly, Dave [1 ]
Kim, Hee Jung [2 ]
Melvin, Paul [3 ]
Ruberman, Daniel [4 ]
机构
[1] Kansas State Univ, Dept Math, Manhattan, KS 66506 USA
[2] Seoul Natl Univ, Dept Math Sci, Seoul 151747, South Korea
[3] Bryn Mawr Coll, Dept Math, Bryn Mawr, PA 19010 USA
[4] Brandeis Univ, Dept Math, Waltham, MA 02454 USA
来源
JOURNAL OF THE LONDON MATHEMATICAL SOCIETY-SECOND SERIES | 2015年 / 91卷
基金
美国国家科学基金会;
关键词
POSITIVE SCALAR CURVATURE; DECOMPOSITION THEOREM; ROUND HANDLES; MANIFOLDS; DIFFEOMORPHISM; TOPOLOGY; SURFACES; HOMOLOGY; METRICS; LINKS;
D O I
10.1112/jlms/jdu075
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
We construct infinite families of topologically isotopic, but smoothly distinct knotted spheres, in many simply connected 4-manifolds that become smoothly isotopic after stabilizing by connected summing with S(2)xS(2), and as a consequence, analogous families of diffeomorphisms and metrics of positive scalar curvature for such 4-manifolds. We also construct families of smoothly distinct links, all of whose corresponding proper sublinks are smoothly isotopic, that become smoothly isotopic after stabilizing.
引用
收藏
页码:439 / 463
页数:25
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