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   Articles with "unknotting number" as a keyword



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The Lee spectral sequence, unknotting number, and the Knight Move Conjecture

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recommendations! Published in 2019 at "Topology and its Applications"

DOI: 10.1016/j.topol.2018.11.020

Abstract: We show that the page at which the Lee spectral sequence collapses gives a bound on the unknotting number, u(K). In particular, for knots with u(K) read more here.

Keywords: move conjecture; knight move; unknotting number; lee spectral ... See more keywords
Photo by kellysikkema from unsplash

Virtual unknotting numbers of certain virtual torus knots

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recommendations! Published in 2017 at "Journal of Knot Theory and Its Ramifications"

DOI: 10.1142/s0218216517500705

Abstract: The virtual unknotting number of a virtual knot is the minimal number of crossing changes that makes the virtual knot to be the unknot, which is defined only for virtual knots virtually homotopic to the… read more here.

Keywords: unknotting number; virtual knot; torus; virtual unknotting ... See more keywords