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Durham University

Department of Mathematical Sciences


Publication details

Friedl, Stefan & Powell, Mark (2020). Homotopy ribbon concordance and Alexander polynomials. Archiv der Mathematik 115(6): 717-725.

Author(s) from Durham


We show that if a link J in the 3-sphere is homotopy ribbon concordant to a link L, then the Alexander polynomial of L divides the Alexander polynomial of J.