A numerical invariant of oriented links
JOURNAL OF KNOT THEORY AND ITS RAMIFICATIONS(2022)
摘要
In this paper, the authors obtain a numerical invariant d(L) of oriented links. It satisfies a non-homogeneous skein relation, and d(L)- 1 is additive under the connected sum operation. We give an obstruction for two links to be 6-equivalent, derived from this numerical invariant.
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关键词
Knot invariant, non-homogeneous skein relation, 6-equivalent
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