Epimorphisms between 2-bridge links : Homotopically trivial simple loops on 2-bridge spheres
Epimorphisms between 2-bridge links : Homotopically trivial simple loops on 2-bridge spheres
复制标题
2 桥链接之间的外同态:2 桥球上的同伦平凡简单环
DOI:
10.1112/plms/pdr036
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发表时间:
2012
期刊:
影响因子:
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通讯作者:
Makoto Sakuma
中科院分区:
文献类型:
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作者:
Donghi Lee;Makoto Sakuma
We give a complete characterization of those essential simple loops on 2‐bridge spheres of 2‐bridge links which are null‐homotopic in the link complements. Using this result, we describe all upper‐meridian‐pair‐preserving epimorphisms between 2‐bridge link groups.