Diagram uniqueness for highly twisted knots
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Abstract
In this paper we prove that if a knot or link has a sufficiently complicated plat projection, then that plat projection is unique. More precisely, if a knot or link has a $2m$-plat projection, where $m$ is at least 3, each twist region of the plat contains at least three crossings, and $n$, the length of the plat, satisfies $n>4m(m-2)$, then such a projection is unique up to obvious rotations. In particular, this projection gives a canonical form for such knots and links, and thus provides a classification of these links.
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