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arXiv 0704.0079math.OA
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与酉交换关系相联系的算子代数

Operator algebras associated with unitary commutation relations

Stephen C. Power, Baruch Solel

摘要:

定义了生成元$L_{e_1},..., L_{e_n}, L_{f_1},...,L_{f_m}$服从\[ L_{e_i}L_{f_j} = \sum_{k,l} u_{i,j,k,l} L_{f_l}L_{e_k}\]形式的酉交换关系的非自伴算子代数,其中$u= (u_{i,j,k,l})$是一个$nm \times nm$酉矩阵.这些代数,推广了解析Toeplitz代数秩2图与一个单一的顶点,被归类为等距同构的矩阵$u$。

英文摘要:

We define nonselfadjoint operator algebras with generators $L_{e_1},..., L_{e_n}, L_{f_1},...,L_{f_m}$ subject to the unitary commutation relations of the form \[ L_{e_i}L_{f_j} = \sum_{k,l} u_{i,j,k,l} L_{f_l}L_{e_k}\] where $u= (u_{i,j,k,l})$ is an $nm \times nm$ unitary matrix. These algebras, which generalise the analytic Toeplitz algebras of rank 2 graphs with a single vertex, are classified up to isometric isomorphism in terms of the matrix $u$.

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