The cubical knot complex is homotopy equivalent to the Vassiliev simplicial complex

Let CKCK^* be the space obtained from CKb(S3)CK_b(S^3) by attaching an (n+1)(n+1)-cell for every knot K(n2,1)K_{(n-2,1)}, with n2n\geq 2, whose boundary is given by resolving the double points and the triple point as specified. Cubical–Vassiliev homotopy conjecture. The space

nΣn(CK)\bigcup_n \Sigma^n(CK^*)

is homotopy equivalent to the Vassiliev simplicial complex. This proposes that the cubical complex enlarged by cells for triple-point singularities recovers the homotopy type of the Vassiliev complex; the supplied text gives no evidence that the claim has been resolved.

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Primary source

Ilya Kofman and Xiao-Song Lin, “Vassiliev invariants and the cubical knot complex”, arXiv:math/0010009 (2000).

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