• Example of Alternating Knot

• Whether they are alternating knots or not?

• Non-alternating Knots

• Composite Knots

• Square Knot

Do you see why the following is a alternating knots? Click here for an answer.

Knot with 5 crossings:

Knot with 6 crossings:

Knot with 7 crossings:

Are there non-alternating knots?

The first non-alternating knot discovered! Actually, all knots with less than 8 crossings (except composite knots) are alternating.

Here are the brothers and sisters of the above knot:

Decide whether the left three are alternating or not?