Slicing knots in definite 4-manifolds

Alexandra Kjuchukova, Allison N. Miller, Arunima Ray +1

We study the ${\mathbb{CP}}^2$-slicing number of knots, i.e. the smallest $m\ge 0$ such that a knot $K\subseteq S^3$ bounds a properly embedded, null-homologous disk in a punctured…