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VIRTUAL KNOT PRESENTATION OF RIBBON TORUS-KNOTS
https://doi.org/10.1142/S0218216500000293Cited by:69 (Source: Crossref)
Abstract
Any ribbon torus-knot in 4-space is naturally associated with a virtual knot. We investigate a relationship between ribbon torus-knots and virtual knots from this viewpoint. We also give a new example of a non-classical virtual knots which can not be detected by the group and the Z-polynomial.
