有向图余泛代数的直接构造方法
算子代数
2010-01-13 v2
摘要
我们直接证明,如果E是一个每个环都有入口的有向图,那么存在一个对于Toeplitz-Cuntz-Krieger E-族是余泛的C*-代数。特别地,我们的证明既不调用图代数的理想结构理论,也不涉及规范作用或其不动点代数的使用。
引用
@article{arxiv.0912.3303,
title = {A direct approach to co-universal algebras associated to directed graphs},
author = {Aidan Sims and Samuel B. G. Webster},
journal= {arXiv preprint arXiv:0912.3303},
year = {2010}
}
备注
9 pages; V2: the definition of a Toeplitz-Cuntz-Krieger $E$-family has been corrected