What is a virtual link?
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What is a virtual link?

  • Author(s): Kuperberg, Greg
  • et al.

Published Web Location

https://arxiv.org/pdf/math/0208039.pdf
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Abstract

Several authors have recently studied virtual knots and links because they admit invariants arising from R-matrices. We prove that every virtual link is uniquely represented by a link L in S X I, a thickened, compact, oriented surface S, such that the link complement (S X I) - L has no essential vertical cylinder.

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