AN INVARIANT FOR OPEN VIRTUAL STRINGS
AN INVARIANT FOR OPEN VIRTUAL STRINGS
复制标题
开放虚拟字符串的不变量
DOI:
10.1142/s0218216506004397
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发表时间:
2004
影响因子:
0.5
通讯作者:
Susan G. Williams
中科院分区:
文献类型:
--
作者:
D. Silver;Susan G. Williams
Extended Alexander groups are used to define an invariant for open virtual strings. Examples of non-commuting open strings and a ribbon-concordance obstruction are given. An example is given of a slice open virtual string that is not ribbon. Definitions are extended to open n-strings.