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math.GT2010
Simple Braids
Rehana Ashraf, Barbu Berceanu
We study a subset of square free positive braids and we give a few algebraic characterizations of them and one geometric characterization: the set of positive braids whose closures…
math.GT2010★ 3 cited
Recurrence relation for HOMFLY polynomial and rational specializations
Rehana Ashraf, Barbu Berceanu
Turning the skein relation for HOMFLY into a Fibonacci recurrence, we prove that there are only three rational specializations of HOMFLY polynomial: Alexander-Conway, Jones, and a…