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Creators/Authors contains: "Rodoplu, Yavuz"

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  1. ; ; ; ; ; ; ; ; ; ; et al (, Journal of Knot Theory and Its Ramifications)
    The ribbon number of a knot is the minimum number of ribbon singularities among all ribbon disks bounded by that knot. In this paper, we build on the systematic treatment of this knot invariant initiated in recent work of Friedl, Misev, and Zupan. We show that the set of Alexander polynomials of knots with ribbon number at most four contains 56 polynomials, and we use this set to compute the ribbon numbers for many 12-crossing knots. We also study higher-genus ribbon numbers of knots, presenting some examples that exhibit interesting behavior and establishing that the success of the Alexander polynomial at controlling genus-0 ribbon numbers does not extend to higher genera. 
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    Free, publicly-accessible full text available November 1, 2026