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Showing 1 to 1 of 1 for “"generalized crossing change"”.
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The untwisting number of a knot
… number of a knot is the minimum number of crossings one must change to turn that knot into the unknot. The algebraic unknotting number is the minimum number of crossing changes needed to transform a knot into an Alexander polynomial-one knot. We work with a generalization of unknotting …