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Invariants of Montesinos Twins

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arxiv 1212.1147 v1 pith:MZ5H3FZA submitted 2012-12-05 math.GT math.DG

Adam C. Knapp This is my paper · ORCID
classification math.GTmath.DG
keywords invariantgillerknotpolynomialalexandermontesinostwincases
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C. Giller proposed an invariant of ribbon 2-knots in S^4 based on a type of skein relation for a projection to R^3. In certain cases, this invariant is equal to the Alexander polynomial for the 2-knot. Giller's invariant is, however, a symmetric polynomial -- which the Alexander polynomial of a 2-knot need not be. After modifying a 2-knot into a Montesinos twin in a natural way, we show that Giller's invariant is related to the Seiberg-Witten invariant of the exterior of the twin, glued to the complement of a fiber in E(2).

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