Square Knot

A composite Knot of six crossings consisting of a Knot Sum of a Trefoil Knot and its Mirror Image. The Granny Knot has the same Alexander Polynomial $(x^2-x+1)^2$ as the square knot. The square knot is also called the Reef Knot.

See also Granny Knot, Mirror Image, Trefoil Knot

References

Owen, P. Knots. Philadelphia, PA: Courage, p. 50, 1993.