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INVARIANTS OF SURFACE LINKS IN ℝ4 VIA SKEIN RELATION

    https://doi.org/10.1142/S0218216508006221Cited by:6 (Source: Crossref)

    Using Yoshikawa's surface diagram, we constructed new invariants of ambient isotopy classes of smoothly embedded closed surfaces in ℝ4 via a state-sum model similar to the Kauffman's state-sum model for the Jones polynomial for classical knots and links in ℝ3. It is shown that the invariants can also be defined by skein relation and thus they are calculated from Yoshikawa's surface diagrams recurrently. Some of the properties of the invariants are given and explicit computations for several surfaces are included.

    AMSC: 57Q45, 57M25