中文

由双曲环面自同构定义的渐近等价关系相伴的 $C^*$-代数

算子代数 2020-12-07 v2 动力系统

摘要

我们研究由二维环面上双曲自同构的渐近等价关系所定义的 étale 群胚的 CC^*-代数。通过显式的数值计算证明这些代数是四维非交换环面。用环面上自同构的双曲矩阵描述了这些 CC^*-代数的 K0K_0-群的唯一迹态的取值范围。

关键词

引用

@article{arxiv.1808.00660,
  title  = {$C^*$-algebras associated with asymptotic equivalence relations defined by hyperbolic toral automorphisms},
  author = {Kengo Matsumoto},
  journal= {arXiv preprint arXiv:1808.00660},
  year   = {2020}
}

备注

13 pages. Sections 1 and 4 were corrected. Sections 3 and 6 were deleted