a1 Department of Mathematics Pohang University of Science and Technology (POSTECH) Pohang, Kyungbok 790-784 Republic of Korea. e-mail: [email protected]
a2 Department of Mathematics, Indiana University, Bloomington, Indiana 47405, U.S.A. e-mail: [email protected]
a3 Department of Mathematics, MS 050, Brandeis University, Waltham, Massachusetts 02454, U.S.A. e-mail: [email protected]
If the Bing double of a knot K is slice, then K is algebraically slice. In addition the Heegaard–Floer concordance invariants τ, developed by Ozsváth–Szabó, and δ, developed by Manolescu and Owens, vanish on K.
(Received February 27 2007)
(Revised April 12 2007)
(Online publication February 11 2008)