The computational complexity of classical knot recognition

被引:0
|
作者
Ichihara, Kazuhiro [1 ]
Nishimura, Yuya [2 ]
Tani, Seiichi [3 ]
机构
[1] Nihon Univ, Coll Humanities & Sci, Dept Math, 3-25-40 Sakurajosui, Tokyo, Tokyo 1568550, Japan
[2] Hiroshima Univ, Grad Sch Adv Sci & Engn, 1-3-1 Kagamiyama, Higashi Hiroshima City, Hiroshima 7398526, Japan
[3] Nihon Univ, Coll Humanities & Sci, Dept Informat Sci, 3-25-40 Sakurajosui,Setagaya Ku, Tokyo 1568550, Japan
关键词
Virtual knots; computational complexity; algorithms; 3-MANIFOLD; ALGORITHMS; TOPOLOGY; REGINA;
D O I
10.1142/S0218216523500694
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
The classical knot recognition problem is the problem of determining whether the virtual knot represented by a given diagram is classical. We prove that this problem is in NP, and we give an exponential time algorithm for the problem.
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页数:68
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