2016•arXiv (Cornell University)Open access

A Colored Khovanov Homotopy Type For Links, And Its Tail For The Unknot

Michael Willis

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Abstract

In a previous paper, the author showed that the Khovanov homotopy types of the torus links $T(n,m)$ stabilize as $m\rightarrow\infty$. In this sequel, we use similar techniques to extend this result in two directions. First, we construct a stable colored version of the Khovanov homotopy type whose reduced cohomology recovers the colored Khovanov homology of the link. Second, in the case of the $T(n,\infty)$ as above, we show a further stabilization as $n\rightarrow\infty$.

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What this paper is about

In a previous paper, the author showed that the Khovanov homotopy types of the torus links $T(n,m)$ stabilize as $m\rightarrow\infty$. In this sequel, we use similar techniques to extend this result in two directions. First, we construct a stable colored version of the Khovanov homotopy type whose reduced cohomology recovers the colored Khovanov homology of the link. Second, in the case of the $T(n,\infty)$ as above, we show a further stabilization as $n\rightarrow\infty$.

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Available abstract

In a previous paper, the author showed that the Khovanov homotopy types of the torus links $T(n,m)$ stabilize as $m\rightarrow\infty$. In this sequel, we use similar techniques to extend this result in two directions. First, we construct a stable colored version of the Khovanov homotopy type whose reduced cohomology recovers the colored Khovanov homology of the link. Second, in the case of the $T(n,\infty)$ as above, we show a further stabilization as $n\rightarrow\infty$.

Key concepts: Unknot, Khovanov homology, Mathematics, Colored, Homotopy, Type (biology), Torus, Cohomology

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