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arXiv math/9904177math.OAmath.DS
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由定常Bratteli图定义的AF代数之间同构的非定常性

Non-stationarity of isomorphism between AF algebras defined by stationary Bratteli diagrams

Ola Bratteli, Palle E. T. Jorgensen, Ki Hang Kim, Fred Roush

摘要:

我们首先研究了由两个具有非负整数矩阵元素的平方本原非奇异关联矩阵定义的稳定AF-代数同构的情形,即使相应维数组的相关自同构的幂都不同构.更一般地,我们考虑必要条件和充分条件,两个这样的矩阵,以确定同构的维数组。我们举几个例子。

英文摘要:

We first study situations where the stable AF-algebras defined by two square primitive nonsingular incidence matrices with nonnegative integer matrix elements are isomorphic even though no powers of the associated automorphisms of the corresponding dimension groups are isomorphic. More generally we consider neccessary and sufficient conditions for two such matrices to determine isomorphic dimension groups. We give several examples.

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