Alternating sum formulae for the determinant and other link invariants

Abstract

A classical result states that the determinant of an alternating link is equal to the number of spanning trees in a checkerboard graph of an alternating connected projection of the link. We generalize this result to show that the determinant is the alternating sum of the number of quasi-trees of genus j of the dessin of a non-alternating link. Furthermore, we obtain formulas for other link invariants by counting quantities on dessins. In particular we will show that the $j$-th coefficient of the Jones polynomial is given by sub-dessins of genus less or equal to $j$.

18 pages, 8 figures; extended version

References in corpus (2)

• The Jones polynomial and graphs on surfaces
• Symmetric links and Conway sums: volume and Jones polynomial

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