Trefoil knot
= Trefoil knot
{wiki}
The trefoil is the torus knot $T_{2,3}$. It has <Seifert genus> one, <crossing number of a knot> three, and <Alexander polynomial of a knot> $t-1+t^{-1}$ up to a unit.
= Trefoil knot
{wiki}
The trefoil is the torus knot $T_{2,3}$. It has <Seifert genus> one, <crossing number of a knot> three, and <Alexander polynomial of a knot> $t-1+t^{-1}$ up to a unit.