A coloring invariant of 3-manifolds derived from their flow-spines and virtual knot diagrams

被引:0
|
作者
Ishii, Ippei [1 ]
Nakamura, Takuji [2 ]
Saito, Toshio [3 ]
机构
[1] Keio Univ, Fac Sci & Technol, Dept Math, 3-14-1 Hiyoshi, Kohoku, Yokohama 2238522, Japan
[2] Univ Yamanashi, Fac Educ, 4-4-37 Takeda, Kofu, Yamanashi 4008510, Japan
[3] Joetsu Univ Educ, Dept Math, 1 Yamayashiki, Joetsu 9438512, Japan
关键词
Coloring invariant; 3-manifold; flow-spine; virtual knot diagram;
D O I
10.4153/S0008414X23000299
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
For a closed, connected, and oriented 3-manifold with a non-singular flow, we construct its virtual knot diagram via a "flow-spine" of the manifold. Then, we introduce a coloring invariant of 3-manifolds through their virtual knot diagrams, and classify some 3-manifolds by using the invariant.
引用
收藏
页码:984 / 1004
页数:21
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