On diffeomorphisms over surfaces trivially embedded in the 4–sphere

On diffeomorphisms over surfaces trivially embedded in the 4–sphere
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DOI:
10.2140/agt.2002.2.791
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发表时间:
2002-10
影响因子:
0.7
通讯作者:
Susumu Hirose
Susumu Hirose
中科院分区:
数学3区
文献类型:
--
作者:
Susumu Hirose

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如果一个曲面在四维球面中限定了一个三维手柄体,那么它就是平凡嵌入的。对于一个平凡地嵌入到4-球面中的曲面,在这个曲面上的一个双态映射是可扩张的当且仅当它保持这个嵌入曲面的Rokhlin二次型。AMS分类57 N10; 57 N 05,20 F38
A surface in the 4-sphere is trivially embedded, if it bounds a 3- dimensional handle body in the 4-sphere. For a surface trivially embedded in the 4-sphere, a dieomorphism over this surface is extensible if and only if this preserves the Rokhlin quadratic form of this embedded surface. AMS Classication 57N10; 57N05, 20F38