The Infimum, Supremum, and Geodesic Leng
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Joan S. Birman; Ki Hyoung Ko; Sang Jin Lee
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Article
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2001
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Elsevier Science
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English
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Algorithmic solutions to the conjugacy problem in the braid groups B n , n=2, 3, 4, ... were given in earlier work. This note concerns the computation of two integer class invariants, known as ''inf'' and ''sup.'' A key issue in both algorithms is the number m of times one must ''cycle'' (resp. ''de