A Knot equivalent to a Polygon in , also called a Tame Knot. For a polygonal knot , there exists a Plane such that the orthogonal projection on it satisfies the following conditions:

- 1. The image has no multiple points other than a Finite number of double points.
- 2. The projections of the vertices of are not double points of .

**References**

Iyanaga, S. and Kawada, Y. (Eds.). *Encyclopedic Dictionary of Mathematics.* Cambridge, MA: MIT Press, p. 735, 1980.

© 1996-9

1999-05-25