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Tensor Products of the Gassner Representation of The Pure Braid Group?

机译:Pure Braid组的Gassner表示的张量积?

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The reduced Gassner representation is a multi-parameter representation of Pn, the pure braid group on n strings. Specializing the parameters t1, t2,...,tn to nonzero complex numbers x1,x2,...,xn gives a representation Gn (x1,...,xn): Pn → GL (Cn-1) which is irreducible if and only if x1...xn ≠ 1.We find a sufficient condition that guarantees that the tensor product of an irreducible Gn (x1,...,xn) with an irreducible Gn (y1, ..., yn) is irreducible. We fall short of finding a necessary and sufficient condition for irreducibility of the tensor product. Our work is a continuation of a previous one regarding the tensor product of complex specializations of the Burau representation of the braid group.
机译:简化的Gassner表示形式是Pn的多参数表示形式,Pn是n根弦上的纯编织群。将参数t1,t2,...,tn专门化为非零复数x1,x2,...,xn表示Gn(x1,...,xn):Pn→GL(Cn-1)这是不可约的当且仅当x1 ... xn≠1时,我们找到一个充分条件来保证不可约Gn(x1,...,xn)与不可约Gn(y1,...,yn)的张量积为不可约。我们没有找到张量积不可约的必要和充分条件。我们的工作是上一个关于辫子群的Burau表示形式的复杂专业化的张量积的继续。

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