Abstract
The author characterizes those link types which have 3-string essential free tangle decompositions and have essential tori in their exteriors.
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Morimoto, K. Essential tori in 3-string free tangle decompositions of links. Acta. Math. Sin.-English Ser. 24, 1023–1030 (2008). https://doi.org/10.1007/s10114-007-6492-2
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DOI: https://doi.org/10.1007/s10114-007-6492-2