2-纽结带运动的一个新障碍：被穿孔3-环面包围的2-纽结和被同调球面包围的2-纽结
A new obstruction for ribbon-moves of 2-knots: 2-knots fibred by the punctured 3-tori and 2-knots bounded by homology spheres
摘要：
本文给出了2-纽结带移等价的一个新的障碍。令$K$和$K'$为2节。假设$K$和$K'$是带移动等价的。我们主要定理的一个推论如下。一个以3维穿孔环面为纤维的2维纤维纽结不等价于任何一个以穿孔同调球面为塞弗特超曲面的2维纽结。
英文摘要：
This paper gives a new obstruction for ribbon-move equivalence of 2-knots. Let $K$ and $K'$ be 2-knots. Let $K$ and $K'$ are ribbon-move equivalent. One corollary to our main theorem is as follows. A 2-dimensional fibered knot whose fiber is the punctured 3-dimensional torus is not ribbon-move equivalent to any 2-dimensional knot whose Seifert hypersurface is a punctured homology sphere.
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