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
中科院分区:
文献类型:
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作者:
A. Shima
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 .