Slice disk
= Slice disk
{wiki=Slice_knot}
A slice disk is a smooth proper embedding $D^2\hookrightarrow B^4$ whose boundary is the knot in $S^3=\partial B^4$.
= Slice disk
{wiki=Slice_knot}
A slice disk is a smooth proper embedding $D^2\hookrightarrow B^4$ whose boundary is the knot in $S^3=\partial B^4$.