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Sutured Khovanov homology distinguishes braids from other tangles (1305.2183v2)
Published 9 May 2013 in math.GT, math.QA, and math.RT
Abstract: We show that the sutured Khovanov homology of a balanced tangle in the product sutured manifold D x I has rank 1 if and only if the tangle is isotopic to a braid.
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