通过带对称性的酉元实现实C*-代数的K理论
算子代数
2019-10-22 v3 K理论与同调
摘要
我们证明了实C*-代数的全部八个KO群可由尊重多种对称性的酉矩阵的同伦类构造。在KO群的这一表现中,与实C*-代数中理想相关的24项正合序列里的全部八个边界映射,可计算为指数映射或指标映射,其公式与复情形几乎相同。
引用
@article{arxiv.1504.03284,
title = {K-Theory for Real C*-algebras via Unitary Elements with Symmetries},
author = {Jeffrey L. Boersema and Terry A. Loring},
journal= {arXiv preprint arXiv:1504.03284},
year = {2019}
}
备注
79 pages. Reorganization of sections and notational clarifications since previous edition