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NTIS 바로가기Kyungpook mathematical journal, v.57 no.1, 2017년, pp.145 - 161
Jeong, Myeong-Ju (Department of Mathematics and Computer Science, Korea Science Academy of KAIST) , Park, Chan-Young (Department of Mathematics, College of Natural Sciences Kyungpook National University) , Park, Maeng Sang (Department of Mathematics Pusan National University)
If a virtual knot diagram can be transformed to another virtual one by a finite sequence of crossing changes, Reidemeister moves and virtual moves then the two virtual knot diagrams are said to be homotopic. There are infinitely many homotopy classes of virtual knot diagrams. We give necessary condi...
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