Diao, Yuanan


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Braid indices in a class of closed braids 2010 108 A long-standing problem in knot theory concerns the additivity of crossing numbers of links under the connected sum operation. It is conjectured that if L1 and L2 are links, then Cr(L1#L2) = Cr(L1) + Cr(L2), but so far this has been proved only for...