中文

与对称化多圆盘相关的算子的典范分解

泛函分析 2017-09-19 v2

摘要

对于交换算子元组 (S1,,Sn1,P)(S_1,\dots,S_{n-1},P),若闭对称化多圆盘 Γn\Gamma_n 是其谱集,则称其为 Γn\Gamma_n-收缩。我们证明每个 Γn\Gamma_n-收缩均可分解为一个 Γn\Gamma_n-酉算子与一个完全非酉的 Γn\Gamma_n-收缩。该分解类似于收缩算子分解为酉算子与完全非酉收缩的典范分解。我们还给出了集合 Γn\Gamma_nΓn\Gamma_n-收缩的新刻画。

关键词

引用

@article{arxiv.1708.00724,
  title  = {Canonical decomposition of operators associated with the symmetrized polydisc},
  author = {Sourav Pal},
  journal= {arXiv preprint arXiv:1708.00724},
  year   = {2017}
}

备注

Complex Analysis and Operator Theory, Published online on August 28, 2017. arXiv admin note: text overlap with arXiv:1610.00936