On Simply Knotted Tori in $S^4$

On Simply Knotted Tori in $S^4$
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关于$S^4$中简单打结的托里

DOI:
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发表时间:
1997
影响因子:
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通讯作者:
A. Shima
A. Shima
中科院分区:
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文献类型:
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作者:
A. Shima

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设T是S4中的环面.若T的投影T(T S3)的奇异集Γ(T)由三条不相交的简单闭曲线组成,则T可以移动到标准环面、三叶结的旋转环面T0(L3)、三叶结的扭曲旋转环面T3(L3)或三叶结的旋转2-球面上加手柄得到的环面,由S4的环境同位素组成
Let T be a torus in S 4 . If the singular set Γ(T ∗ ) of the projection T ∗ (⊂ S 3 )o fT consists of three disjoint simple closed curves, then T can be moved to either the standard torus, the spun torus of the trefoil knot T 0 (L3), the twist spun torus of the trefoil knot T 3 (L3), or the torus obtained by attaching a handle to the spun 2-sphere of the trefoil knot, by an ambient isotopy of S 4 .