On dd-invariants and generalised Kanenobu knots

preprint2014arXivOpen access

Abstract

We prove that for particular infinite families of LL-spaces, arising as branched double covers, the dd-invariants defined by Ozsváth and Szabó are arbitrarily large and small. As a consequence, we generalise a result by Greene and Watson by proving, for every odd number Δ≥5Δ\geq 5, the existence of infinitely many non-quasi-alternating homologically thin knots with determinant Δ2Δ^2, and a result by Hoffman and Walsh concerning the existence of hyperbolic weight 11 manifolds that are not surgery on a knot in S3S^3.

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