Inner products on the Hecke algebra of the braid group
Inner products on the Hecke algebra of the braid group
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辫群赫克代数的内积
DOI:
10.1016/j.topol.2010.12.014
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发表时间:
2011
影响因子:
0.6
通讯作者:
Tamas.
中科院分区:
文献类型:
--
作者:
Kalman;Tamas.
We claim that the Homfly polynomial (that is to say, Ocneanu's trace functional) contains two polynomial-valued inner products on the Hecke algebra representation of Artin's braid group. These bear a close connection to the Morton–Franks–Williams inequality. With respect to these structures, the set of positive, respectively negative permutation braids becomes an orthonormal basis. In the second case, many inner products can be geometrically interpreted through Legendrian fronts and rulings.
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