Pretzel link

In the mathematical theory of knots, a pretzel link is a special kind of link. A pretzel link which is also a knot (i.e. a link with one component) is a pretzel knot.

In the standard projection of the ${\displaystyle (p_{1},\,p_{2},\dots ,\,p_{n})}$ pretzel link, there are ${\displaystyle p_{1}}$ left-handed crossings in the first tangle, ${\displaystyle p_{2}}$ in the second, and, in general, ${\displaystyle p_{n}}$ in the nth.

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