Odd-homology thickness conjecture for reduced Montesinos links

Consider a non-alternating Montesinos link with Conway symbol p1,,pm,qp_1,\ldots,p_m,-q, where the pip_i and qq are positive rational tangles as in the source. Reduce each rational tangle by replacing a positive tangle of length greater than one by its last number, a negative tangle by minus its last number minus one, and leaving length-one tangles unchanged; denote the resulting tangles by pi\overline p_i and q\overline q.

Montesinos thickness conjecture. A Montesinos link of the form p1,,pm,qp_1,\ldots,p_m,-q is Kh\overline{Kh}'-thick if it has a minimal-crossing Conway symbol satisfying

min(p1,p2,,pm)q.\min(\overline p_1,\overline p_2,\ldots,\overline p_m)\ge\overline q.

For links with at most 1111 crossings, the text says the computational results agree with this criterion, but it also notes exceptional thicker links for larger crossing numbers, so the unrestricted claim is not established.

Sources & referencesView supporting material

Primary source

Slavik Jablan and Radmila Sazdanović, “Quasi-alternating links and odd homology: computations and conjectures”, arXiv:0901.0075 (2014).

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