Titlebook: 2019-20 MATRIX Annals; David R. Wood (Editor-in-Chief),Jan de Gier,Terenc Book 2021 The Editor(s) (if applicable) and The Author(s), under

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,Messung der Anlegeman?ver von Tankern,em that Alexander polynomial one knots are topologically slice. This paper develops null-homologous twisting operations as a tool for studying the algebraic genus and, consequently, for bounding the topological slice genus above. As applications we give new upper bounds on the algebraic genera of to

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