Ozsvath-Szabo and Rasmussen invariants of doubled knots

Charles Livingston, Swatee Naik

Let νbe any integer-valued additive knot invariant that bounds the smooth 4-genus of a knot K, |ν(K)| <= g_4(K), and determines the 4-ball genus of positive torus knots, ν(T_{p,q})…